Alpha Teknova, Inc. (TKNO) shareholders
TKNONasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 12/30145% above fair value
$8.21−0.08 (-1.02%)
Close on Nov 13, 2026Market cap $440.78MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
17.0%
9M of 54M shares
Institutional holders
80
12 new, 8 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
2 buys · 0 sales
Net bought $143.50K
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 |
|---|---|---|---|---|
| Telegraph Hill Partners Management Company, LLC Joint filing with Telegraph Hill Partners IV, L.P. (48.10%), THP IV Affiliates Fund, LLC (48.10%) and 4 more | 37,717,565 | 70.80% | 13D (active) | Jul 12, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of TKNO | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Royce & Associates LP | 1,661,395 | 3.09% | $9.44M | +592,233 | 0.08% |
| Vanguard Capital Management LLC | 1,614,045 | 3.01% | $9.17M | +1,172,166 | 0.00% |
| Roubaix Capital, LLC | 1,579,404 | 2.94% | $8.97M | −302,951 | 3.22% |
| BlackRock, Inc. | 879,786 | 1.64% | $5.00M | +163,012 | 0.00% |
| UBS Group AG | 631,967 | 1.18% | $3.59M | +306,804 | 0.00% |
| Conestoga Capital Advisors, LLC | 314,554 | 0.59% | $1.79M | −2,530 | 0.04% |
| Geode Capital Management, LLC | 311,818 | 0.58% | $1.77M | +3,945 | 0.00% |
| Bank Of America Corp /De/ | 255,760 | 0.48% | $1.45M | +27,474 | 0.00% |
| Goldman Sachs Group Inc | 172,017 | 0.32% | $977.06K | +53,578 | 0.00% |
| State Street Corp | 164,885 | 0.31% | $936.55K | +9,796 | 0.00% |
| Aqr Capital Management LLC | 113,774 | 0.21% | $646.24K | +47,369 | 0.00% |
| Bank of New York Mellon Corp | 106,420 | 0.20% | $604.47K | +6,451 | 0.00% |
| Vanguard Fiduciary Trust Co | 103,467 | 0.19% | $587.69K | +28,378 | 0.00% |
| Morgan Stanley | 98,799 | 0.18% | $561.18K | −18,191 | 0.00% |
| Northern Trust Corp | 90,214 | 0.17% | $512.42K | −5,764 | 0.00% |
| Bridgeway Capital Management, LLC | 80,900 | 0.15% | $459.51K | +25,000 | 0.01% |
| Divisadero Street Capital Management, LP | 78,872 | 0.15% | $447.99K | – | 0.01% |
| Vanguard Portfolio Management LLC | 76,062 | 0.14% | $432.03K | +11,551 | 0.00% |
| Millennium Management LLC | 74,966 | 0.14% | $425.81K | −372,172 | 0.00% |
| Wells Fargo & Company/Mn | 69,225 | 0.13% | $393.20K | +65,275 | 0.00% |
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 | 80 | 9M | 17.0% | 12 / 35 | 19 / 8 | 3M | 1M |
| Q1 2026 | 78 | 8M | 14.2% | 23 / 24 | 20 / 13 | 3M | 2M |
| Q4 2025 | 70 | 7M | 13.0% | 12 / 23 | 20 / 10 | 1M | 1M |
| Q3 2025 | 68 | 7M | 13.9% | 13 / 19 | 22 / 13 | 1M | 1M |
| Q2 2025 | 68 | 8M | 14.3% | 24 / 27 | 7 / 21 | 3M | 1M |
| Q1 2025 | 65 | 6M | 11.5% | 26 / 15 | 20 / 8 | 2M | 2M |
| Q4 2024 | 47 | 6M | 11.9% | 22 / 13 | 9 / 7 | 3M | 2M |
| Q3 2024 | 32 | 5M | 9.6% | 11 / 11 | 9 / 6 | 2M | 2M |
| Q2 2024 | 28 | 6M | 10.9% | 2 / 9 | 12 / 5 | 0M | 1M |
| Q1 2024 | 31 | 6M | 11.5% | 3 / 15 | 6 / 3 | 1M | 0M |
| Q4 2023 | 31 | 6M | 10.7% | 5 / 12 | 9 / 2 | 1M | 0M |
| Q3 2023 | 28 | 5M | 9.7% | 2 / 8 | 13 / 5 | 1M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
77 funds held TKNO in Q2 2026, 65% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of TKNO | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,477,356 | 2.75% | $8.39M | 0.00% | Jun 30, 2026 |
| Royce Micro-Cap Fund | 467,232 | 0.87% | $2.65M | 0.62% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 305,824 | 0.57% | $1.74M | 0.00% | Jun 30, 2026 |
| Royce Capital Fund - Micro-Cap Portfolio | 150,230 | 0.28% | $853.31K | 0.61% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 122,765 | 0.23% | $613.83K | 0.00% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 113,404 | 0.21% | $644.13K | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 96,258 | 0.18% | $546.75K | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 Value ETF | 79,753 | 0.15% | $453.00K | 0.00% | Jun 30, 2026 |
| iShares Biotechnology ETF | 77,165 | 0.14% | $438.30K | 0.00% | Jun 30, 2026 |
| Ultra-Small Company Market Fund | 75,000 | 0.14% | $426.00K | 0.29% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 67,054 | 0.12% | $362.09K | 0.00% | May 31, 2026 |
| Vanguard Russell 2000 Index Fund | 55,634 | 0.10% | $300.42K | 0.00% | May 31, 2026 |
| Goldman Sachs Absolute Return Tracker Fund | 42,355 | 0.08% | $240.58K | 0.00% | Jun 30, 2026 |
| iShares Micro-Cap ETF | 37,732 | 0.07% | $214.32K | 0.01% | Jun 30, 2026 |
| Fidelity Nasdaq Composite Index Fund | 34,865 | 0.06% | $188.27K | 0.00% | May 31, 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 |
|---|---|---|---|---|
| Stephen Gunstream | President and CEO, Director | 269,497 | 0.50% | Mar 9, 2026 |
| Matthew Lowell | Chief Financial Officer | 168,376 | 0.31% | Mar 9, 2026 |
| Damon Terrill | General Counsel and CCO | 41,027 | 0.08% | Mar 9, 2026 |
| Martha J. Demski | Director | 12,000 | 0.02% | Jul 16, 2026 |
| Alexander Vos | Director | 102,472 | 0.19% | Jun 2, 2026 |
| Brett Robertson | Director | 107,472 | 0.20% | Jun 2, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Martha J. Demski Director | Jul 14, 2026 | Other | +12,000 | – | – | 12,000 |
| Martha J. Demski Director | Jul 14, 2026 | Other | −12,000 | – | – | 0 |
| Matthew Lowell Chief Financial Officer | Mar 6, 2026 | Buy | +40,000 | $2.19 | $87.60K | 168,376 |
| Stephen Gunstream President and CEO, Director | Mar 6, 2026 | Buy | +26,000 | $2.15 | $55.90K | 269,497 |
| Martha J. Demski Director | Jun 27, 2025 | Sale(10b5-1 plan) | −8,000 | $5.06 | $40.48K | 12,000 |
| Brett Robertson Director | Jun 17, 2025 | Award | +54,300 | – | – | 102,472 |
| Alexander Vos Director | Jun 17, 2025 | Award | +54,300 | – | – | 102,472 |
| Martha J. Demski Director | Jun 17, 2025 | Award | +54,300 | – | – | 74,300 |
| Brett Robertson Director | Feb 27, 2025 | Other | +5,000 | – | – | 5,000 |
| Telegraph Hill Partners IV, L.P. 10% owner | Jul 12, 2024 | Buy | +969,844 | $1.24 | $1.20M | 969,844 |
| Telegraph Hill Partners IV, L.P. 10% owner | Jul 12, 2024 | Buy | +11,126,929 | $1.24 | $13.80M | 11,126,929 |
| Stephen Gunstream President and CEO, Director | Jul 12, 2024 | Buy | +80,645 | $1.24 | $100.00K | 243,497 |
| Matthew Lowell Chief Financial Officer | Jul 12, 2024 | Buy | +40,322 | $1.24 | $50.00K | 128,376 |
| Alexander Vos Director | Jun 26, 2024 | Award | +20,000 | – | – | 48,172 |
| Brett Robertson Director | Jun 26, 2024 | Award | +20,000 | – | – | 48,172 |
| Martha J. Demski Director | Jun 26, 2024 | Award | +20,000 | – | – | 20,000 |
| Ken Gelhaus Chief Commercial Officer | Nov 30, 2023 | Buy | +3,587 | $1.73 | $6.21K | 22,924 |
| Lisa Hood Chief People Officer | Nov 14, 2023 | Other | −15,000 | – | – | 18,834 |
| Matthew Lowell Chief Financial Officer | Sep 19, 2023 | Buy | +54,054 | $1.85 | $100.00K | 88,054 |
| J. Matthew Mackowski Director | Sep 19, 2023 | Buy | +810,810 | $1.85 | $1.50M | 810,810 |
| Telegraph Hill Partners Management Company, LLC 10% owner | Sep 19, 2023 | Buy | +1,190,270 | $1.85 | $2.20M | 3,761,132 |
| Telegraph Hill Partners Management Company, LLC 10% owner | Sep 19, 2023 | Buy | +6,917,837 | $1.85 | $12.80M | 21,859,660 |
| Damon Terrill General Counsel and CCO | Sep 19, 2023 | Buy | +27,027 | $1.85 | $50.00K | 41,027 |
| Stephen Gunstream President and CEO, Director | Sep 19, 2023 | Buy | +54,054 | $1.85 | $100.00K | 162,852 |
| Robert McNamara Director | Aug 31, 2023 | Returned to company | −18,815 | – | – | 9,357 |
| Lisa Hood Chief People Officer | Jun 13, 2023 | Sale | −11,400 | $3.80 | $43.32K | 33,834 |
| Robert McNamara Director | Jun 2, 2023 | Award | +18,815 | – | – | 28,172 |
| Alexander Vos Director | Jun 2, 2023 | Award | +18,815 | – | – | 28,172 |
| Brett Robertson Director | Jun 2, 2023 | Award | +18,815 | – | – | 28,172 |
| Ted Davis Director, 10% owner | May 26, 2023 | Buy | +1,000 | $3.17 | $3.17K | 1,888,419 |
| Ted Davis Director, 10% owner | May 26, 2023 | Buy | +1,000 | $3.26 | $3.26K | 1,887,419 |
| Irene Davis Director, 10% owner | May 26, 2023 | Buy | +1,000 | $3.17 | $3.17K | 1,888,419 |
| Irene Davis Director, 10% owner | May 26, 2023 | Buy | +1,000 | $3.26 | $3.26K | 1,887,419 |
| Lisa Hood Chief People Officer | May 17, 2023 | Sale | −3,119 | $2.04 | $6.36K | 45,234 |
| Ken Gelhaus Chief Commercial Officer | May 12, 2023 | Buy | +3,915 | $1.67 | $6.54K | 19,337 |
| Stephen Gunstream President and CEO, Director | May 12, 2023 | Buy | +4,665 | $1.67 | $7.79K | 108,798 |
| Lisa Hood Chief People Officer | May 12, 2023 | Buy | +3,119 | $1.67 | $5.21K | 48,353 |
| Ken Gelhaus Chief Commercial Officer | Feb 27, 2023 | Award | +14,000 | – | – | 15,422 |
| Lisa Hood Chief People Officer | Feb 27, 2023 | Award | +14,000 | – | – | 45,234 |
| Matthew Lowell Chief Financial Officer | Feb 27, 2023 | Award | +14,000 | – | – | 34,000 |
| Damon Terrill General Counsel and CCO | Feb 27, 2023 | Award | +14,000 | – | – | 14,000 |
| Stephen Gunstream President and CEO, Director | Feb 27, 2023 | Award | +43,125 | – | – | 104,133 |
| Lisa Hood Chief People Officer | Nov 15, 2022 | Sale | −2,046 | $5.28 | $10.80K | 31,234 |
| Ken Gelhaus Chief Commercial Officer | Nov 14, 2022 | Buy | +1,422 | $4.23 | $6.02K | 1,422 |
| Lisa Hood Chief People Officer | Nov 14, 2022 | Buy | +2,046 | $4.23 | $8.65K | 33,280 |
| Stephen Gunstream President and CEO, Director | Nov 14, 2022 | Buy | +1,716 | $4.23 | $7.26K | 61,008 |
| Stephen Gunstream President and CEO, Director | Sep 30, 2022 | Option exercise | +40,000 | $0.84 | $33.60K | 58,000 |
| Matthew Lowell Chief Financial Officer | Sep 1, 2022 | Buy | +10,000 | $4.61 | $46.10K | 20,000 |
| J. Matthew Mackowski Director | Aug 24, 2022 | Buy | +5,000 | $4.97 | $24.85K | 5,000 |
| J. Matthew Mackowski Director | Aug 24, 2022 | Buy | +5,000 | $4.98 | $24.90K | 5,000 |
| Paul David Grossman Director | Aug 16, 2022 | Buy | +4,386 | $5.62 | $24.65K | 9,212 |
| Paul David Grossman Director | Aug 15, 2022 | Buy | +4,826 | $5.15 | $24.85K | 4,826 |
| Stephen Gunstream President and CEO, Director | Aug 15, 2022 | Buy | +18,000 | $5.13 | $92.34K | 18,000 |
| Brett Robertson Director | Jun 2, 2022 | Award | +9,357 | – | – | 9,357 |
| Alexander Vos Director | Jun 2, 2022 | Award | +9,357 | – | – | 9,357 |
| Robert McNamara Director | Jun 2, 2022 | Award | +9,357 | – | – | 9,357 |
| Matthew Lowell Chief Financial Officer | May 20, 2022 | Buy | +10,000 | $9.45 | $94.50K | 10,000 |
| Lisa Hood Chief People Officer | May 13, 2022 | Buy | +772 | $10.93 | $8.44K | 31,234 |
| Stephen Gunstream President and CEO, Director | May 13, 2022 | Buy | +1,292 | $10.93 | $14.12K | 1,292 |
| Lisa Hood Chief People Officer | Feb 4, 2022 | Option exercise | +30,462 | $1.85 | $56.35K | 30,462 |
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
2.91%
2M shares short
Days to cover
1.4
At 1M shares a day
Change since last report
-6.7%
From 2M shares
Short volume, 20 days
37.5%
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 Alpha Teknova's stock actually held short. Settlement fails (shares not delivered on time) peaked at 23,438 shares on Sep 28, 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 |
|---|---|---|---|---|---|
| Lisa Hood Officer | Jun 13, 2023 | 11,400 | $43.27K | Jun 13, 2023 | EXERCISED SHARES |
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