Standard BioTools Inc. (LAB) shareholders
LABNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Nov 3, 2026Score 12/3087% below fair value
$0.65+0.01 (+1.31%)
Close on Nov 12, 2026Market cap $255.73MP/E 3.0Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
75.4%
296M of 393M shares
Institutional holders
143
42 new, 51 sold out
Net institutional buying
-1M
In Q2 2026
Insider trades, 12 months
12 buys · 0 sales
Net bought $13.08M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Eli Casdin Joint filing with Casdin Capital, LLC (22.70%), Casdin Partners Master Fund, L.P. (18.50%) and 1 more | 93,845,778 | 23.90% | 13D (active) amendment | Jun 6, 2026 |
| Shabet Rose Sharon Joint filing with Viking Global Investors LP (15.00%), Viking Global Opportunities Parent GP LLC (15.00%) and 7 more | 58,651,170 | 15.00% | 13D (active) | Jun 6, 2026 |
| Viking Global Investors LP Joint filing with Viking Global Opportunities Parent GP LLC (15.00%), Halvorsen Ole Andreas (15.00%) and 7 more | 58,651,170 | 15.00% | 13G (passive) amendment | Mar 31, 2026 |
| Kaufman Michael A Joint filing with Mak Capital One LLC (7.30%), MAK Capital Fund LP (7.30%) | 28,813,904 | 7.30% | 13G (passive) amendment | Jun 30, 2026 |
| MAK Capital Fund LP Joint filing with MAK Capital One L.L.C. (6.70%), Michael A. Kaufman (6.70%) | 26,172,626 | 6.70% | 13G (passive) amendment | Mar 31, 2026 |
| John Helmers Joint filing with Long Focus Capital Management, LLC (6.00%) | 23,500,000 | 6.00% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of LAB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Casdin Capital, LLC | 88,783,856 | 22.62% | $73.04M | – | 3.66% |
| Viking Global Investors LP | 58,651,170 | 14.94% | $48.25M | – | 0.14% |
| Mak Capital One LLC | 28,813,904 | 7.34% | $23.71M | +2,641,278 | 3.32% |
| Long Focus Capital Management, LLC | 23,500,000 | 5.99% | $19.33M | +7,484,279 | 0.49% |
| Vanguard Capital Management LLC | 12,252,998 | 3.12% | $10.08M | −563,072 | 0.00% |
| BlackRock, Inc. | 8,254,443 | 2.10% | $6.79M | −16,501,641 | 0.00% |
| Hollow Brook Wealth Management LLC | 5,503,381 | 1.40% | $4.53M | −150,000 | 0.90% |
| Neuberger Berman Group LLC | 4,958,620 | 1.26% | $4.04M | +301,035 | 0.00% |
| Qube Research & Technologies Ltd | 4,820,463 | 1.23% | $3.97M | +4,116,056 | 0.00% |
| Royce & Associates LP | 4,525,333 | 1.15% | $3.72M | +1,519,804 | 0.03% |
| Geode Capital Management, LLC | 3,896,574 | 0.99% | $3.21M | −3,392,762 | 0.00% |
| Tikvah Management LLC | 3,551,058 | 0.90% | $2.92M | −94 | 0.89% |
| Millennium Management LLC | 3,512,665 | 0.89% | $2.89M | +1,410,650 | 0.00% |
| Morgan Stanley | 2,831,668 | 0.72% | $2.33M | −55,478 | 0.00% |
| D. E. Shaw & Co., Inc. | 2,818,026 | 0.72% | $2.32M | +2,618,942 | 0.00% |
| Jane Street Group, LLC | 2,514,299 | 0.64% | $2.07M | New | 0.00% |
| Peapod Lane Capital LLC | 2,411,474 | 0.61% | $1.98M | +382,947 | 1.34% |
| Citadel Advisors LLC | 2,348,570 | 0.60% | $1.93M | +1,123,260 | 0.00% |
| Mink Brook Asset Management LLC | 2,190,973 | 0.56% | $1.80M | New | 0.80% |
| Sone Capital Management, LLC | 2,133,631 | 0.54% | $1.76M | +366,850 | 0.13% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 143 | 296M | 75.4% | 42 / 47 | 36 / 51 | 40M | 41M |
| Q1 2026 | 156 | 297M | 75.7% | 26 / 50 | 46 / 24 | 36M | 24M |
| Q4 2025 | 159 | 303M | 77.1% | 22 / 46 | 52 / 14 | 24M | 7M |
| Q3 2025 | 155 | 286M | 72.8% | 13 / 52 | 43 / 17 | 17M | 12M |
| Q2 2025 | 160 | 281M | 71.6% | 29 / 46 | 46 / 12 | 11M | 15M |
| Q1 2025 | 145 | 285M | 72.6% | 22 / 40 | 42 / 16 | 23M | 15M |
| Q4 2024 | 142 | 278M | 70.9% | 22 / 45 | 41 / 21 | 14M | 17M |
| Q3 2024 | 141 | 281M | 71.7% | 21 / 40 | 45 / 22 | 48M | 16M |
| Q2 2024 | 145 | 271M | 69.1% | 36 / 38 | 36 / 34 | 42M | 51M |
| Q1 2024 | 145 | 281M | 71.6% | 72 / 48 | 12 / 13 | 239M | 10M |
| Q4 2023 | 86 | 53M | 13.4% | 24 / 27 | 17 / 9 | 8M | 3M |
| Q3 2023 | 72 | 47M | 12.1% | 15 / 16 | 19 / 9 | 6M | 4M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
106 funds held LAB in Q1 2026, 70% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of LAB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 8,433,842 | 2.15% | $6.94M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 3,420,285 | 0.87% | $2.81M | 0.00% | Jun 30, 2026 |
| iShares Biotechnology ETF | 2,648,825 | 0.67% | $2.18M | 0.02% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 1,480,014 | 0.38% | $1.70M | 0.01% | May 31, 2026 |
| Schwab U.S. Small-Cap ETF | 1,428,280 | 0.36% | $1.64M | 0.01% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 1,256,129 | 0.32% | $1.44M | 0.00% | May 31, 2026 |
| Royce Micro-Cap Fund | 1,247,908 | 0.32% | $1.03M | 0.24% | Jun 30, 2026 |
| Neuberger Intrinsic Value Fund | 1,036,344 | 0.26% | $1.19M | 0.08% | May 31, 2026 |
| Vanguard Health Care Index Fund | 741,244 | 0.19% | $852.43K | 0.00% | May 31, 2026 |
| Inception Portfolio | 654,866 | 0.17% | $538.76K | 0.19% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 546,390 | 0.14% | $628.35K | 0.00% | May 31, 2026 |
| EQ/Morgan Stanley Small Cap Growth Portfolio | 503,509 | 0.13% | $414.24K | 0.09% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 460,215 | 0.12% | $529.25K | 0.00% | May 31, 2026 |
| Royce Capital Fund - Micro-Cap Portfolio | 406,372 | 0.10% | $334.32K | 0.24% | Jun 30, 2026 |
| iShares Core S&P Total U.S. Stock Market ETF | 333,918 | 0.09% | $274.71K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Michael Egholm | President & CEO, Director | 6,137,704 | 1.56% | Aug 24, 2026 |
| Hanjoon Alex Kim | Chief Financial Officer | 2,534,859 | 0.65% | Aug 24, 2026 |
| Sean Mackay | SVP & Chief Business Officer | 1,480,823 | 0.38% | Aug 24, 2026 |
| Thomas D. Carey | Director | 419,456 | 0.11% | Nov 5, 2026 |
| Troy Cox | Director | 475,702 | 0.12% | Jun 23, 2026 |
| Kathy L. Hibbs | Director | 236,836 | 0.06% | Jun 23, 2026 |
| Frank Witney | Director | 314,203 | 0.08% | Jun 23, 2026 |
| Eli Casdin | Director, 10% owner | 91,837,025 | 23.39% | Jun 23, 2026 |
| Fenel M. Eloi | Director | 335,299 | 0.09% | Jun 23, 2026 |
| Casdin Partners Master Fund, L.P. | Director, 10% owner | 82,559,918 | 21.03% | Dec 4, 2025 |
| Casdin Partners GP, LLC | Director, 10% owner | 77,395,281 | 19.71% | Dec 4, 2025 |
| Casdin Private Growth Equity Fund, L.P. | Director | 59,551,472 | 15.17% | Dec 4, 2025 |
| Casdin Private Growth Equity Fund Gp, Llc | Director | 77,745,281 | 19.80% | Dec 4, 2025 |
| Casdin Private Growth Equity Fund II, L.P. | Director | 57,301,472 | 14.60% | Dec 4, 2025 |
| Casdin Private Growth Equity Fund II GP, LLC | Director | 11,496,255 | 2.93% | Dec 4, 2025 |
| Casdin Capital, LLC | Director, 10% owner | 61,653,250 | 15.70% | Dec 4, 2025 |
| Casdin Amplify Fund, LP | Director | 58,551,472 | 14.91% | Mar 4, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Thomas D. Carey Director | Nov 5, 2026 | Buy | +75,000 | $0.63 | $46.90K | 419,456 |
| Hanjoon Alex Kim Chief Financial Officer | Aug 20, 2026 | Tax withholding | −28,195 | $0.67 | $18.89K | 2,534,859 |
| Michael Egholm President & CEO, Director | Aug 20, 2026 | Tax withholding | −97,627 | $0.67 | $65.41K | 6,137,704 |
| Sean Mackay SVP & Chief Business Officer | Aug 20, 2026 | Tax withholding | −25,729 | $0.67 | $17.24K | 1,480,823 |
| Michael Egholm President & CEO, Director | Aug 3, 2026 | Tax withholding | −362,625 | $0.87 | $315.48K | 6,235,331 |
| Hanjoon Alex Kim Chief Financial Officer | Jul 23, 2026 | Tax withholding | −202,476 | $0.90 | $182.23K | 2,563,054 |
| Sean Mackay SVP & Chief Business Officer | Jun 20, 2026 | Award | +500,000 | – | – | 1,506,552 |
| Eli Casdin Director, 10% owner | Jun 18, 2026 | Award | +99,116 | – | – | 3,053,169 |
| Troy Cox Director | Jun 18, 2026 | Award | +99,116 | – | – | 475,702 |
| Thomas D. Carey Director | Jun 18, 2026 | Award | +99,116 | – | – | 344,456 |
| Fenel M. Eloi Director | Jun 18, 2026 | Award | +99,116 | – | – | 335,299 |
| Frank Witney Director | Jun 18, 2026 | Award | +99,116 | – | – | 309,978 |
| Kathy L. Hibbs Director | Jun 18, 2026 | Award | +99,116 | – | – | 236,836 |
| Michael Egholm President & CEO, Director | May 20, 2026 | Tax withholding | −97,626 | $1.00 | $97.63K | 6,597,956 |
| Sean Mackay SVP & Chief Business Officer | May 20, 2026 | Tax withholding | −25,729 | $1.00 | $25.73K | 1,006,552 |
| Hanjoon Alex Kim Chief Financial Officer | May 20, 2026 | Tax withholding | −18,871 | $1.00 | $18.87K | 2,760,530 |
| Michael Egholm President & CEO, Director | Apr 6, 2026 | Tax withholding | −95,014 | $0.91 | $86.46K | 6,695,582 |
| Michael Egholm President & CEO, Director | Apr 6, 2026 | Option exercise | +196,513 | – | – | 6,790,596 |
| Hanjoon Alex Kim Chief Financial Officer | Apr 6, 2026 | Option exercise | +70,183 | – | – | 2,800,702 |
| Hanjoon Alex Kim Chief Financial Officer | Apr 6, 2026 | Tax withholding | −21,301 | $0.91 | $19.38K | 2,779,401 |
| Michael Egholm President & CEO, Director | Mar 20, 2026 | Award | +1,042,373 | – | – | 6,594,083 |
| Hanjoon Alex Kim Chief Financial Officer | Mar 20, 2026 | Award | +323,173 | – | – | 2,730,519 |
| Sean Mackay SVP & Chief Business Officer | Mar 20, 2026 | Award | +272,107 | – | – | 1,032,281 |
| Troy Cox Director | Feb 26, 2026 | Award | +57,264 | $1.17 | $67.00K | 376,586 |
| Eli Casdin Director, 10% owner | Feb 26, 2026 | Award | +52,991 | $1.17 | $62.00K | 2,954,053 |
| Thomas D. Carey Director | Feb 26, 2026 | Award | +51,282 | $1.17 | $60.00K | 245,340 |
| Hanjoon Alex Kim Chief Financial Officer | Feb 23, 2026 | Tax withholding | −12,740 | $1.15 | $14.65K | 2,407,346 |
| Sean Mackay SVP & Chief Business Officer | Feb 23, 2026 | Tax withholding | −19,661 | $1.15 | $22.61K | 760,174 |
| Michael Egholm President & CEO, Director | Feb 23, 2026 | Tax withholding | −66,127 | $1.15 | $76.05K | 5,551,710 |
| Casdin Private Growth Equity Fund Gp, Llc Director | Dec 4, 2025 | Buy | +150,000 | $1.45 | $217.50K | 72,100,000 |
| Casdin Private Growth Equity Fund Gp, Llc Director | Dec 3, 2025 | Buy | +75,000 | $1.44 | $108.00K | 71,950,000 |
| Casdin Private Growth Equity Fund Gp, Llc Director | Dec 2, 2025 | Buy | +125,000 | $1.42 | $177.50K | 71,875,000 |
| Casdin Partners GP, LLC Director, 10% owner | Nov 25, 2025 | Buy | +7,550,000 | $1.30 | $9.82M | 71,750,000 |
| Casdin Partners GP, LLC Director, 10% owner | Nov 24, 2025 | Buy | +150,000 | $1.43 | $214.50K | 64,200,000 |
| Hanjoon Alex Kim Chief Financial Officer | Nov 20, 2025 | Tax withholding | −12,739 | $1.28 | $16.31K | 2,415,086 |
| Sean Mackay SVP & Chief Business Officer | Nov 20, 2025 | Tax withholding | −19,661 | $1.28 | $25.17K | 779,835 |
| Michael Egholm President & CEO, Director | Nov 20, 2025 | Tax withholding | −63,529 | $1.28 | $81.32K | 5,617,837 |
| Eli Casdin Director, 10% owner | Nov 20, 2025 | Buy | +450,000 | $1.30 | $585.00K | 64,050,000 |
| Eli Casdin Director, 10% owner | Nov 19, 2025 | Buy | +350,000 | $1.28 | $448.00K | 63,600,000 |
| Eli Casdin Director, 10% owner | Nov 18, 2025 | Buy | +275,000 | $1.23 | $338.25K | 63,250,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Nov 17, 2025 | Buy | +225,000 | $1.22 | $274.50K | 62,975,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Nov 14, 2025 | Buy | +250,000 | $1.24 | $310.00K | 62,750,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Nov 13, 2025 | Buy | +450,000 | $1.20 | $540.00K | 62,500,000 |
| Casdin Partners GP, LLC Director, 10% owner | Nov 12, 2025 | Buy | +375,000 | $1.19 | $446.25K | 62,050,000 |
| Casdin Partners GP, LLC Director, 10% owner | Nov 11, 2025 | Buy | +300,000 | $1.20 | $360.00K | 61,675,000 |
| Casdin Partners GP, LLC Director, 10% owner | Nov 10, 2025 | Buy | +275,000 | $1.17 | $321.75K | 61,375,000 |
| Casdin Partners GP, LLC Director, 10% owner | Nov 7, 2025 | Buy | +225,000 | $1.12 | $252.00K | 61,100,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Sep 9, 2025 | Buy | +100,000 | $1.29 | $129.00K | 60,875,000 |
| Eli Casdin Director, 10% owner | Sep 4, 2025 | Buy | +250,000 | $1.28 | $320.00K | 60,775,000 |
| Eli Casdin Director, 10% owner | Sep 3, 2025 | Buy | +250,000 | $1.27 | $317.50K | 60,525,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Aug 26, 2025 | Buy | +125,000 | $1.26 | $157.50K | 60,275,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Aug 25, 2025 | Buy | +200,000 | $1.24 | $248.00K | 60,150,000 |
| Casdin Partners Master Fund, L.P. Director, 10% owner | Aug 22, 2025 | Buy | +200,000 | $1.26 | $252.00K | 59,950,000 |
| Sean Mackay SVP & Chief Business Officer | Aug 20, 2025 | Tax withholding | −19,661 | $1.27 | $24.97K | 799,496 |
| Hanjoon Alex Kim Chief Financial Officer | Aug 20, 2025 | Tax withholding | −12,739 | $1.27 | $16.18K | 2,427,825 |
| Michael Egholm President & CEO, Director | Aug 20, 2025 | Tax withholding | −54,919 | $1.27 | $69.75K | 5,681,366 |
| Eli Casdin Director, 10% owner | Aug 15, 2025 | Buy | +150,000 | $1.22 | $183.00K | 59,750,000 |
| Eli Casdin Director, 10% owner | Aug 14, 2025 | Buy | +133,220 | $1.21 | $161.20K | 59,600,000 |
| Eli Casdin Director, 10% owner | Aug 13, 2025 | Buy | +75,000 | $1.31 | $98.25K | 59,466,780 |
| Hanjoon Alex Kim Chief Financial Officer | Aug 1, 2025 | Award | +1,500,000 | – | – | 2,440,564 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
1.86%
2M shares short
Days to cover
3.1
At 1M shares a day
Change since last report
-11.3%
From 2M shares
Short volume, 20 days
34.3%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Standard BioTools's stock actually held short. Settlement fails (shares not delivered on time) peaked at 76,242 shares on Oct 8, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Hanjoon Alex Kim Officer | May 23, 2025 | 1,428 | $1.34K | May 23, 2025 | Restricted Stock Vesting |
| Michael Egholm Officer, Director | May 23, 2025 | 5,473 | $5.15K | May 23, 2025 | Restricted Stock Vesting |
| Sean Mackay Officer | May 23, 2025 | 13,217 | $12.44K | May 23, 2025 | Restricted Stock Vesting |
| Michael Egholm Officer, Director | May 22, 2025 | 5,116 | $5.13K | May 22, 2025 | Restricted Stock Vesting |
| Hanjoon Alex Kim Officer | May 22, 2025 | 1,355 | $1.36K | May 22, 2025 | Restricted Stock Vesting |
| Sean Mackay Officer | May 22, 2025 | 12,536 | $12.56K | May 22, 2025 | Restricted Stock Vesting |
| Sean Mackay Officer | May 21, 2025 | 12,838 | $13.24K | May 21, 2025 | Restricted Stock Vesting |
| Michael Egholm Officer, Director | May 21, 2025 | 4,719 | $4.87K | May 21, 2025 | Restricted Stock Vesting |
| Hanjoon Alex Kim Officer | May 21, 2025 | 1,407 | $1.45K | May 21, 2025 | Restricted Stock Vesting |
| Jeffrey G. Black Former Officer | Nov 12, 2024 | 57,971 | $123.10K | Nov 12, 2024 | Restricted Stock Vesting |
| Taich Adam Former Officer | Sep 9, 2024 | 45,851 | $91.72K | Sep 9, 2024 | Restricted Stock Vesting |
| Roelke Alison Marie Officer | Jun 24, 2024 | 64,158 | $121.57K | Jun 24, 2024 | Restricted Stock Vesting |
| Gutierrez Ruben Officer | Jun 24, 2024 | 55,918 | $105.95K | Jun 24, 2024 | Restricted Stock Vesting |
| Roelke Alison Marie Officer | Jun 24, 2024 | 146 | $263 | Jun 24, 2024 | Restricted Stock Vesting |
| Gutierrez Ruben Officer | Apr 4, 2024 | 2,388 | $6.63K | Apr 4, 2024 | Restricted Stock Vesting |
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