Kodiak Sciences Inc
Ownership
Ownership Structure
Who owns Kodiak Sciences Inc (KOD)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 58.7% of the shares are freely tradable; institutional investors hold 99.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Baker Bros Advisors LP | 31.69 | 19,919,186 | +0.0 | 06/30/2026 |
| BlackRock Inc | 6.58 | 4,135,355 | +5.1 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 5.17 | 3,248,611 | +59.3 | 06/30/2026 |
| State Street Corp | 3.85 | 2,419,417 | +7.5 | 06/30/2026 |
| The Goldman Sachs Group Inc | 3.69 | 2,316,014 | +37.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.87 | 1,804,632 | +5.1 | 06/30/2026 |
| BRAIDWELL LP | 2.84 | 1,787,318 | -1.7 | 06/30/2026 |
| Jupiter Topco LLC | 2.43 | 1,526,006 | +0.0 | 06/30/2026 |
| RTW INVESTMENTS, LLC | 2.37 | 1,487,934 | +0.0 | 06/30/2026 |
| Boxer Capital Management, LLC | 2.35 | 1,477,600 | +8.6 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Baker Bros. Advisors Lp | Director | 20,191,214 | 2,002,968,429 $ | Sep 29, 2026 | indirect |
| Perlroth Victor | Chairman and CEO | 3,676,062 | 364,665,350 $ | Sep 25, 2026 | direct |
| Borgeson John A. | Chief Financial Officer | 211,930 | 21,023,456 $ | Oct 21, 2026 | direct |
| Yang Taiyin | Director | 20,000 | 1,984,000 $ | Oct 23, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 23, 2026 | Yang Taiyin | Director | Other | 20,000 | 2.35 | 47,000 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 100 | 94.91 | 9,491 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 2,000 | 93.71 | 187,420 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 2,985 | 91.76 | 273,904 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 5,101 | 90.98 | 464,089 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 7,623 | 89.74 | 684,088 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 1,677 | 89.20 | 149,588 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Sell | 8,514 | 87.67 | 746,422 |
| Oct 21, 2026 | Borgeson John A. | Chief Financial Officer | Other | 30,000 | 2.49 | 74,700 |
| Sep 29, 2026 | Baker Bros. Advisors Lp | Director | Buy | 1,416 | 85.89 | 121,614 |
| Sep 29, 2026 | Baker Bros. Advisors Lp | Director | Buy | 84 | 85.89 | 7,214 |
| Sep 29, 2026 | Baker Bros. Advisors Lp | Director | Buy | 20,031 | 85.40 | 1,710,707 |
| Sep 29, 2026 | Baker Bros. Advisors Lp | Director | Buy | 1,195 | 85.40 | 102,057 |
| Sep 29, 2026 | Baker Bros. Advisors Lp | Director | Buy | 10,381 | 84.24 | 874,517 |
| Sep 29, 2026 | Baker Bros. Advisors Lp | Director | Buy | 619 | 84.24 | 52,146 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 196,608 | 89.86 | 17,666,310 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 11,729 | 89.86 | 1,053,915 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 82,673 | 89.60 | 7,407,798 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 4,932 | 89.60 | 441,925 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 107,772 | 88.65 | 9,553,557 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 6,428 | 88.65 | 569,816 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 98,561 | 88.57 | 8,729,262 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 5,880 | 88.57 | 520,775 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 75,176 | 87.51 | 6,578,389 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 4,485 | 87.51 | 392,467 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 63,539 | 86.94 | 5,524,214 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 3,790 | 86.94 | 329,511 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 16,036 | 86.81 | 1,392,153 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 957 | 86.81 | 83,081 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 3,114 | 86.72 | 270,051 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 186 | 86.72 | 16,130 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 38,932 | 85.97 | 3,346,813 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 2,322 | 85.97 | 199,612 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 109,842 | 84.85 | 9,320,566 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 6,553 | 84.85 | 556,050 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 123,888 | 83.95 | 10,400,546 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 7,390 | 83.95 | 620,399 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 19,554 | 83.16 | 1,626,017 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 1,167 | 83.16 | 97,042 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 1,699 | 82.68 | 140,477 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 101 | 82.68 | 8,351 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 651 | 81.92 | 53,327 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 39 | 81.92 | 3,195 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 28,028 | 81.82 | 2,293,144 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 1,672 | 81.82 | 136,797 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 17,490 | 81.31 | 1,422,180 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 1,044 | 81.31 | 84,892 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 5,654 | 81.20 | 459,116 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 338 | 81.20 | 27,446 |
| Sep 28, 2026 | Baker Bros. Advisors Lp | Director | Buy | 17,159 | 81.02 | 1,390,229 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.