KODNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31
Kodiak Sciences Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$91.35+5.60 (+6.53%)
Close on Oct 19, 2026
- Market cap
- $5.72B
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
96.2%
60M of 63M shares
Institutional holders
200
39 new, 23 sold out
Net institutional buying
4M
In Q2 2026
Insider trades, 12 months
84 buys · 6 sales
Net bought $214.77M
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 |
|---|---|---|---|---|
| D. Victor Perlroth, M.D. | 6,504,427 | 9.90% | 13G (passive) amendment | Dec 31, 2025 |
| Alex Silverstein | 3,495,000 | 5.70% | 13G (passive) | Mar 31, 2026 |
| BlackRock, Inc. | 3,273,386 | 5.30% | 13G (passive) | Mar 31, 2026 |
| T. Rowe Price Associates, Inc. | 3,248,611 | 5.20% | 13G (passive) | Jun 30, 2026 |
| Point72 Capital Advisors, Inc. | 2,908,836 | 5.50% | 13G (passive) | Aug 15, 2025 |
| Baker Bros. Advisors LP | 22,049,297 | 35.00% | 13D (active) amendment | Sep 28, 2026 |
| Felix J. Baker | 20,067,542 | 32.80% | 13D (active) amendment | Dec 18, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of KOD | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 19,919,186 | 31.69% | $776.05M | – | 3.89% |
| BlackRock, Inc. | 4,135,355 | 6.58% | $161.11M | +200,053 | 0.00% |
| Price T Rowe Associates Inc /Md/ | 3,248,611 | 5.17% | $126.57K | +1,209,261 | 0.01% |
| State Street Corp | 2,419,417 | 3.85% | $94.26M | +168,497 | 0.00% |
| Goldman Sachs Group Inc | 2,316,014 | 3.69% | $90.23M | +627,011 | 0.01% |
| Vanguard Capital Management LLC | 1,804,632 | 2.87% | $70.31M | +87,556 | 0.00% |
| Braidwell LP | 1,787,318 | 2.84% | $69.63M | −31,347 | 2.58% |
| Jupiter Topco LLC | 1,526,006 | 2.43% | $59.51M | New | 0.02% |
| Rtw Investments, LP | 1,487,934 | 2.37% | $57.97M | – | 0.49% |
| Boxer Capital Management, LLC | 1,477,600 | 2.35% | $57.57M | +116,600 | 4.34% |
| T. Rowe Price Investment Management, Inc. | 1,477,033 | 2.35% | $57.55K | +640,089 | 0.04% |
| TCG Crossover Management, LLC | 1,445,538 | 2.30% | $56.32M | – | 1.35% |
| ICONIQ Capital, LLC | 1,266,563 | 2.02% | $49.35M | – | 1.42% |
| Geode Capital Management, LLC | 1,062,955 | 1.69% | $41.42M | +62,544 | 0.00% |
| Ikarian Capital, LLC | 1,059,730 | 1.69% | $41.29M | −206,065 | 4.45% |
| Artisan Partners Limited Partnership | 968,037 | 1.54% | $37.71M | +277,715 | 0.06% |
| Wellington Management Group Llp | 793,613 | 1.26% | $30.92M | +357,284 | 0.01% |
| Board of Trustees of The Leland Stanford Junior University | 691,767 | 1.10% | $26.95M | – | 5.06% |
| Silverarc Capital Management, LLC | 546,256 | 0.87% | $21.28M | −445,674 | 2.21% |
| Vanguard Portfolio Management LLC | 532,819 | 0.85% | $20.76M | +167,768 | 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 | 200 | 60M | 96.2% | 39 / 82 | 55 / 23 | 8M | 4M |
| Q1 2026 | 188 | 58M | 92.2% | 53 / 64 | 52 / 20 | 9M | 6M |
| Q4 2025 | 158 | 58M | 91.6% | 51 / 49 | 41 / 13 | 18M | 4M |
| Q3 2025 | 121 | 45M | 70.8% | 30 / 33 | 34 / 9 | 7M | 5M |
| Q2 2025 | 100 | 42M | 66.6% | 9 / 33 | 34 / 16 | 2M | 3M |
| Q1 2025 | 107 | 43M | 68.3% | 21 / 40 | 30 / 19 | 4M | 4M |
| Q4 2024 | 107 | 42M | 67.0% | 23 / 32 | 29 / 14 | 6M | 4M |
| Q3 2024 | 98 | 39M | 62.8% | 12 / 26 | 29 / 18 | 5M | 2M |
| Q2 2024 | 106 | 40M | 63.8% | 22 / 31 | 27 / 28 | 1M | 6M |
| Q1 2024 | 113 | 45M | 71.9% | 31 / 26 | 38 / 14 | 8M | 4M |
| Q4 2023 | 96 | 41M | 65.7% | 17 / 41 | 18 / 22 | 3M | 4M |
| Q3 2023 | 101 | 43M | 67.6% | 14 / 36 | 30 / 41 | 6M | 6M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of KOD | Value | % of fund | As of |
|---|---|---|---|---|---|
| State Street(R) SPDR(R) S&P(R) Biotech ETF | 1,495,246 | 2.38% | $58.25M | 0.54% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 1,288,755 | 2.05% | $50.21M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,022,270 | 1.63% | $39.83M | 0.05% | Jun 30, 2026 |
| T. Rowe Price Health Sciences Fund, Inc. | 1,013,711 | 1.61% | $39.49M | 0.33% | Jun 30, 2026 |
| Artisan International Small-Mid Fund | 595,991 | 0.95% | $23.22M | 0.91% | Jun 30, 2026 |
| T. Rowe Price New Horizons Fund, Inc. | 590,816 | 0.94% | $23.02M | 0.16% | Jun 30, 2026 |
| T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund | 498,300 | 0.79% | $19.41M | 0.20% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 475,615 | 0.76% | $18.53M | 0.02% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 430,495 | 0.68% | $17.90M | 0.05% | Jul 31, 2026 |
| T. Rowe Price Small-Cap Stock Fund, Inc. | 426,474 | 0.68% | $16.62M | 0.18% | Jun 30, 2026 |
| iShares Biotechnology ETF | 410,488 | 0.65% | $15.99M | 0.18% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 347,467 | 0.55% | $13.54M | 0.09% | Jun 30, 2026 |
| T. Rowe Price Small-Cap Value Fund, Inc. | 268,157 | 0.43% | $10.45M | 0.10% | Jun 30, 2026 |
| Vanguard Explorer Fund | 245,680 | 0.39% | $10.22M | 0.05% | Jul 31, 2026 |
| T. Rowe Price Institutional Small-Cap Stock Fund | 229,223 | 0.36% | $8.93M | 0.18% | 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 |
|---|---|---|---|---|
| Victor Perlroth | Chairman and CEO, Director, 10% owner | 3,732,242 | 5.94% | Sep 29, 2026 |
| John A. Borgeson | Chief Financial Officer | 216,034 | 0.34% | Jul 17, 2026 |
| Julian Baker | Director, 10% owner | 19,221,341 | 30.58% | Sep 30, 2026 |
| Felix Baker | Director, 10% owner | 15,455,507 | 24.59% | Sep 30, 2026 |
| Brothers Life Sciences LP Baker | Director, 10% owner | 18,358,772 | 29.21% | Sep 30, 2026 |
| Bros. Advisors (GP) LLC Baker | Director, 10% owner | 18,373,116 | 29.23% | Sep 30, 2026 |
| 667, L.P. | Director, 10% owner | 1,669,727 | 2.66% | Sep 30, 2026 |
| Bros. Advisors Lp Baker | Director, 10% owner | 14,364,512 | 22.86% | Sep 30, 2026 |
| Richard S. Levy | Director | 250 | 0.00% | Jul 2, 2026 |
| Robert Profusek | Director | 10,000 | 0.02% | Jul 2, 2026 |
| Taiyin Yang | Director | 0 | – | Jul 2, 2026 |
| Bassil I. Dahiyat | Director | – | – | Jul 2, 2026 |
| Charles A. Bancroft | Director | 25,948 | 0.04% | Jul 2, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| 667, L.P. Director, 10% owner | Sep 29, 2026 | Buy | +84 | $85.89 | $7.21K | 1,669,727 |
| 667, L.P. Director, 10% owner | Sep 29, 2026 | Buy | +20,031 | $85.40 | $1.71M | 20,189,798 |
| 667, L.P. Director, 10% owner | Sep 29, 2026 | Buy | +1,195 | $85.40 | $102.05K | 1,669,643 |
| 667, L.P. Director, 10% owner | Sep 29, 2026 | Buy | +10,381 | $84.24 | $874.50K | 20,169,767 |
| 667, L.P. Director, 10% owner | Sep 29, 2026 | Buy | +619 | $84.24 | $52.14K | 1,668,448 |
| 667, L.P. Director, 10% owner | Sep 29, 2026 | Buy | +1,416 | $85.89 | $121.62K | 20,191,214 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +28,028 | $81.82 | $2.29M | 19,221,341 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,672 | $81.82 | $136.80K | 1,611,870 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +39 | $81.92 | $3.19K | 1,611,909 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +651 | $81.92 | $53.33K | 19,221,992 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +101 | $82.68 | $8.35K | 1,612,010 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,699 | $82.68 | $140.47K | 19,223,691 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,167 | $83.16 | $97.05K | 1,613,177 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +19,554 | $83.16 | $1.63M | 19,243,245 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +7,390 | $83.95 | $620.39K | 1,620,567 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +123,888 | $83.95 | $10.40M | 19,367,133 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +6,553 | $84.85 | $556.02K | 1,627,120 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +109,842 | $84.85 | $9.32M | 19,476,975 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +2,322 | $85.97 | $199.62K | 1,629,442 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +38,932 | $85.97 | $3.35M | 19,515,907 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +534 | $79.40 | $42.40K | 1,606,426 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +8,956 | $79.40 | $711.11K | 19,130,090 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +17 | $79.63 | $1.35K | 1,606,443 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +283 | $79.63 | $22.54K | 19,130,373 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +884 | $79.71 | $70.46K | 1,607,327 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +14,827 | $79.71 | $1.18M | 19,145,200 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +404 | $80.23 | $32.41K | 1,607,731 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +6,783 | $80.23 | $544.20K | 19,151,983 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +61 | $80.52 | $4.91K | 1,607,792 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,027 | $80.52 | $82.69K | 19,153,010 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +17,490 | $81.31 | $1.42M | 19,193,313 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,044 | $81.31 | $84.89K | 1,610,198 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +5,654 | $81.20 | $459.10K | 19,175,823 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +338 | $81.20 | $27.45K | 1,609,154 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +17,159 | $81.02 | $1.39M | 19,170,169 |
| Julian Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,024 | $81.02 | $82.96K | 1,608,816 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +14,344 | $61.21 | $878.00K | 18,373,116 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +321 | $67.10 | $21.54K | 1,564,979 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +5,382 | $67.10 | $361.13K | 18,435,276 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +154 | $68.37 | $10.53K | 1,565,133 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +2,585 | $68.37 | $176.74K | 18,437,861 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +2,331 | $68.96 | $160.75K | 1,567,464 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +39,066 | $68.96 | $2.69M | 18,476,927 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,056 | $71.48 | $75.48K | 1,568,520 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +17,698 | $71.48 | $1.27M | 18,494,625 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +16,641 | $72.39 | $1.20M | 1,585,161 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +243 | $62.96 | $15.30K | 1,564,179 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +8,021 | $64.43 | $516.79K | 18,429,894 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +78,726 | $73.08 | $5.75M | 18,852,329 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +4,696 | $73.08 | $343.18K | 1,589,857 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +278,978 | $72.39 | $20.20M | 18,773,603 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +479 | $64.43 | $30.86K | 1,564,658 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +49,771 | $78.57 | $3.91M | 19,121,134 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +2,969 | $78.57 | $233.27K | 1,605,892 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +48,350 | $77.43 | $3.74M | 19,071,363 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +2,884 | $77.43 | $223.31K | 1,602,923 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +61,700 | $76.35 | $4.71M | 19,023,013 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +3,681 | $76.35 | $281.04K | 1,600,039 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +32,261 | $75.52 | $2.44M | 18,961,313 |
| Bros. Advisors (GP) LLC Baker Director, 10% owner | Sep 28, 2026 | Buy | +1,924 | $75.52 | $145.30K | 1,596,358 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Borgeson John Officer | Jun 4, 2026 | 30,000 | $1.02M | Jun 4, 2026 | Exercise of Stock Options |
| Borgeson John Officer | Apr 2, 2026 | 30,000 | $1.28M | Apr 2, 2026 | Exercise of Stock Options |