ORKA
Oruka Therapeutics, Inc.
95.00$
-2.8%
vs. previous close
Closing price · As of: Sep 18, 2026
Ownership
Ownership Structure
Who owns Oruka Therapeutics, Inc. (ORKA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.9% of the shares are freely tradable; institutional investors hold 89.1%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
89.1%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
1.2%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
85.9%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
17.1%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
66Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 11.22 | 7,431,403 | +2.3 | 03/31/2026 |
| VR Adviser, LLC | 6.27 | 4,148,428 | +0.0 | 03/31/2026 |
| Fairmount Funds Management LLC | 5.60 | 3,705,262 | +0.0 | 03/31/2026 |
| BlackRock Inc | 5.33 | 3,527,087 | -0.3 | 03/31/2026 |
| Capital World Investors | 5.14 | 3,401,639 | +0.0 | 06/30/2026 |
| Viking Global Investors LP | 4.03 | 2,666,690 | +0.0 | 03/31/2026 |
| Paradigm Biocapital Advisors LP | 3.24 | 2,144,526 | -7.6 | 06/30/2026 |
| RTW INVESTMENTS, LLC | 3.11 | 2,058,148 | +0.0 | 03/31/2026 |
| Deep Track Capital, LP | 2.91 | 1,926,000 | -5.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.81 | 1,859,631 | +0.0 | 03/31/2026 |
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 |
|---|---|---|---|---|---|
| Klein Lawrence Otto | Chief Executive Officer | 923,128 | 87,697,160 $ | Sep 15, 2026 | direct |
| Sandler Laura Lee | Chief Operating Officer | 235,478 | 22,370,410 $ | Sep 15, 2026 | direct |
| Edwards Larry Todd | Chief Commercial Officer | 100,000 | 9,500,000 $ | Aug 24, 2026 | direct |
| Goncalves Joana | Chief Medical Officer | 31,771 | 3,018,245 $ | Sep 15, 2026 | direct |
| Quinlan Paul T | General Counsel | 29,995 | 2,849,525 $ | Sep 15, 2026 | direct |
| Agarwal Arjun | Senior Vice President, Finance | 14,752 | 1,401,440 $ | Sep 15, 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 |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 947 | 95.71 | 90,637 |
| Sep 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 100 | 94.22 | 9,422 |
| Sep 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 1,366 | 92.99 | 127,023 |
| Sep 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 3,150 | 92.03 | 289,890 |
| Sep 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 2,384 | 91.10 | 217,173 |
| Sep 15, 2026 | Goncalves Joana | Chief Medical Officer | Other | 3,500 | 7.80 | 27,300 |
| Sep 15, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 560 | 95.71 | 53,598 |
| Sep 15, 2026 | Klein Lawrence Otto | Chief Executive Officer | Sell | 2,452 | 95.71 | 234,681 |
| Sep 15, 2026 | Quinlan Paul T | General Counsel | Sell | 1,039 | 95.71 | 99,443 |
| Sep 15, 2026 | Sandler Laura Lee | Chief Operating Officer | Sell | 906 | 95.71 | 86,713 |
| Sep 11, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 200 | 94.02 | 18,803 |
| Sep 11, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 2,208 | 93.26 | 205,921 |
| Sep 11, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 4,051 | 92.41 | 374,367 |
| Sep 11, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 3,000 | 91.11 | 273,322 |
| Sep 11, 2026 | Agarwal Arjun | Senior Vice President, Finance | Other | 1,459 | 34.39 | 50,175 |
| Sep 11, 2026 | Agarwal Arjun | Senior Vice President, Finance | Other | 8,000 | 12.50 | 100,000 |
| Sep 1, 2026 | Sandler Laura Lee | Chief Operating Officer | Sell | 4,000 | 92.01 | 368,054 |
| Sep 1, 2026 | Sandler Laura Lee | Chief Operating Officer | Sell | 1,000 | 91.05 | 91,048 |
| Sep 1, 2026 | Sandler Laura Lee | Chief Operating Officer | Other | 5,000 | 7.80 | 39,000 |
| Sep 1, 2026 | Klein Lawrence Otto | Chief Executive Officer | Sell | 4,800 | 92.44 | 443,691 |
| Sep 1, 2026 | Klein Lawrence Otto | Chief Executive Officer | Sell | 63,596 | 91.90 | 5,844,237 |
| Sep 1, 2026 | Klein Lawrence Otto | Chief Executive Officer | Sell | 6,604 | 90.79 | 599,556 |
| Sep 1, 2026 | Klein Lawrence Otto | Chief Executive Officer | Other | 75,000 | 7.80 | 585,000 |
| Aug 24, 2026 | Edwards Larry Todd | Chief Commercial Officer | Other | 100,000 | 0.00 | – |
| Aug 17, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 2,480 | 112.56 | 279,154 |
| Aug 17, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 3,320 | 112.01 | 371,886 |
| Aug 17, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 300 | 110.52 | 33,155 |
| Aug 17, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 900 | 109.65 | 98,687 |
| Aug 17, 2026 | Goncalves Joana | Chief Medical Officer | Other | 3,500 | 7.80 | 27,300 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Sell | 3,847 | 111.14 | 427,547 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Sell | 9,193 | 110.00 | 1,011,266 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Sell | 10,200 | 109.11 | 1,112,954 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Sell | 14,696 | 107.97 | 1,586,779 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Sell | 10,434 | 107.14 | 1,117,901 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Sell | 3,630 | 106.05 | 384,963 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Other | 42,000 | 12.50 | 525,000 |
| Aug 14, 2026 | Quinlan Paul T | General Counsel | Other | 10,000 | 7.80 | 78,000 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 2,358 | 108.46 | 255,755 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 2,142 | 107.71 | 230,723 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 1,268 | 106.63 | 135,201 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 2,132 | 105.57 | 225,079 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 2,100 | 104.67 | 219,814 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Other | 1,458 | 34.39 | 50,141 |
| Aug 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Other | 8,542 | 12.50 | 106,775 |
| Jul 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 300 | 87.25 | 26,176 |
| Jul 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 3,803 | 86.68 | 329,630 |
| Jul 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 2,497 | 85.86 | 214,385 |
| Jul 15, 2026 | Goncalves Joana | Chief Medical Officer | Sell | 400 | 84.37 | 33,746 |
| Jul 15, 2026 | Goncalves Joana | Chief Medical Officer | Other | 3,500 | 7.80 | 27,300 |
| Jul 13, 2026 | Agarwal Arjun | Senior Vice President, Finance | Sell | 5,656 | 84.90 | 480,201 |
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: September 18, 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.