Whitehawk Therapeutics, Inc. (WHWK) Ownership
WHWK ownership summary
as of October 18, 2026- Institutions
- 81.1% of shares outstanding
- Insiders
- 12.62% of shares outstanding
- Shares outstanding
- 57.0M
- Float
- 28.7M shares available to trade
- Short interest
- 7.67% 2.7M shares short
- Days to cover
- 7.89 short interest down 0.6% vs prior month
- Institutions 81.05%
- Insiders 12.62%
- Other investors 6.32%
WHWK top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Yu Fan | 8.53% | 4.9M | $14.0M | +2.8M (+134.8%) | June 30, 2026 |
| 2 | Longwood Capital Partners LLC | 8.22% | 4.7M | $13.5M | +1.3M (+37.4%) | June 30, 2026 |
| 3 | Qvt Financial LP | 8.10% | 4.6M | $13.3M | — | June 30, 2026 |
| 4 | Suvretta Capital Management, LLC | 7.54% | 4.3M | $12.4M | +600,000 (+16.2%) | June 30, 2026 |
| 5 | Orbimed Advisors LLC | 6.90% | 3.9M | $11.4M | −231,704 (−5.6%) | June 30, 2026 |
| 6 | venBio Select Advisor LLC | 5.00% | 2.8M | $8.2M | — | June 30, 2026 |
| 7 | Siren, L.L.C. | 4.10% | 2.3M | $6.8M | +255,102 (+12.3%) | June 30, 2026 |
| 8 | KVP Capital Advisors, LP | 3.80% | 2.2M | $6.3M | — | June 30, 2026 |
| 9 | BlackRock Inc | 3.37% | 1.9M | $5.6M | +1.6M (+447.2%) | June 30, 2026 |
| 10 | Vanguard Capital Management, LLC | 2.44% | 1.4M | $4.0M | +72,791 (+5.5%) | June 30, 2026 |
| 11 | ADAR1 Capital Management LLC | 2.35% | 1.3M | $3.9M | +1.2M (+943.9%) | June 30, 2026 |
| 12 | StemPoint Capital LP | 1.79% | 1.0M | $3.0M | −857,701 (−45.7%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 1.58% | 900K | $2.6M | +442,240 (+96.7%) | June 30, 2026 |
| 14 | Ally Bridge Group (NY) LLC | 1.43% | 818K | $2.4M | — | June 30, 2026 |
| 15 | Woodline Partners LP | 0.77% | 437K | $1.3M | +155,117 (+55.1%) | June 30, 2026 |
| 16 | Renaissance Technologies Corp | 0.73% | 414K | $1.2M | −14,800 (−3.5%) | June 30, 2026 |
| 17 | State Street Corp | 0.68% | 387K | $1.1M | +226,600 (+141.3%) | June 30, 2026 |
| 18 | Millennium Management LLC | 0.67% | 380K | $1.1M | +70,732 (+22.8%) | June 30, 2026 |
| 19 | Eversept Partners, LP | 0.53% | 303K | $876,554 | −3,494 (−1.1%) | June 30, 2026 |
| 20 | Verdad Advisers, LP | 0.53% | 301K | $871,286 | +185,999 (+161.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 8.9M shares and 4 cut 1.1M.
WHWK top mutual fund and ETF holders
19 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Russell 2000 ETF | 1.85% | 1.1M | $3.0M | −12,160 (−1.1%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.56% | 888K | $2.6M | — | August 31, 2026 |
| 3 | iShares Russell 2000 Value ETF | 0.70% | 401K | $1.2M | +608 (+0.2%) | September 30, 2026 |
| 4 | Fidelity Small Cap Index | 0.62% | 352K | $1.0M | −434 (−0.1%) | July 31, 2026 |
| 5 | Vanguard Russell 2000 ETF | 0.33% | 185K | $535,705 | +3,720 (+2.0%) | August 31, 2026 |
| 6 | Bridgeway Ultra-Small Company | 0.29% | 165K | $477,671 | −50,000 (−23.2%) | June 30, 2026 |
| 7 | Fidelity Extended Market Index | 0.26% | 146K | $421,056 | −783 (−0.5%) | August 31, 2026 |
| 8 | iShares Micro-Cap ETF | 0.24% | 137K | $395,101 | −943 (−0.7%) | September 30, 2026 |
| 9 | Schwab Small Cap Index | 0.14% | 79K | $227,824 | — | August 31, 2026 |
| 10 | Fidelity Total Market Index | 0.11% | 65K | $187,185 | +2,658 (+4.3%) | August 31, 2026 |
| 11 | Avantis US Small Cap Equity ETF | 0.11% | 63K | $181,258 | — | September 30, 2026 |
| 12 | OneAscent Enhanced Small and Mid Cap ETF | 0.11% | 62K | $180,290 | — | September 30, 2026 |
| 13 | iShares Russell 2000 Small-Cap Idx Instl | 0.11% | 61K | $175,299 | — | August 31, 2026 |
| 14 | Fidelity Series Total Market Index | 0.11% | 60K | $173,810 | +3,620 (+6.4%) | August 31, 2026 |
| 15 | Goldman Sachs ActiveBeta® US SmCp Eq ETF | 0.09% | 54K | $155,155 | — | September 30, 2026 |
| 16 | Fidelity Small Cap Value Index | 0.08% | 47K | $136,310 | +2,091 (+4.6%) | July 31, 2026 |
| 17 | Fidelity Nasdaq Composite Index | 0.08% | 47K | $134,593 | — | August 31, 2026 |
| 18 | Nuveen Small Cap Blend Idx R6 | 0.08% | 44K | $126,579 | — | August 31, 2026 |
| 19 | EQ/2000 Managed Volatility IB | 0.06% | 34K | $98,855 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
WHWK insider transactions
latest 14| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-16 | Scott M Giacobello | Sell | $4.13 | 141,600 | $584,808 |
| 2026-04-15 | Scott M Giacobello | Sell | $3.86 | 77,000 | $297,220 |
| 2026-04-14 | Bryan Ball | Sell | $3.64 | 92,460 | $336,554 |
| 2026-04-13 | Bryan Ball | Sell | $3.46 | 26,389 | $91,306 |
| 2026-04-10 | Bryan Ball | Sell | $3.43 | 6,596 | $22,624 |
| 2026-04-09 | Bryan Ball | Sell | $3.57 | 50,000 | $178,500 |
| 2026-04-09 | David James Lennon | Sell | $3.38 | 14,500 | $49,010 |
| 2026-04-08 | David James Lennon | Sell | $3.40 | 63,945 | $217,413 |
| 2026-04-07 | David James Lennon | Sell | $3.43 | 94,087 | $322,718 |
| 2026-04-06 | David James Lennon | Sell | $3.51 | 102,395 | $359,406 |
| 2026-04-02 | David James Lennon | Sell | $3.48 | 26,858 | $93,466 |
| 2026-03-02 | Bryan Ball | Sell | $3.31 | 1,834 | $6,071 |
| 2026-03-02 | David James Lennon | Sell | $3.31 | 5,100 | $16,881 |
| 2026-03-02 | Scott M Giacobello | Sell | $3.31 | 2,594 | $8,586 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
WHWK shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns WHWK
Institutional investors own 81.1% of Whitehawk Therapeutics's shares and insiders 12.62%. The largest holder is Yu Fan with 8.53% of the shares (4.9M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 4 reduced their stake in the latest filings. Short interest is 7.67% of the float, or 7.89 days of average trading volume. The share count rose 6,821.3% since 2017.
Related: WHWK analyst forecast, WHWK key metrics. See the WHWK stock overview for the latest quote and news.
WHWK ownership FAQ
Who owns the most Whitehawk Therapeutics stock?
The largest shareholders of Whitehawk Therapeutics are Yu Fan (8.53%), Longwood Capital Partners LLC (8.22%), Qvt Financial LP (8.10%), Suvretta Capital Management, LLC (7.54%), Orbimed Advisors LLC (6.90%).
What percentage of Whitehawk Therapeutics is owned by institutions?
Institutions hold 81.1% of Whitehawk Therapeutics's shares outstanding; insiders hold 12.62%.
Which funds own Whitehawk Therapeutics?
The largest fund holders of Whitehawk Therapeutics are iShares Russell 2000 ETF (1.85%), Vanguard MStar Total Stk Mkt Idx Invest (1.56%), iShares Russell 2000 Value ETF (0.70%), Fidelity Small Cap Index (0.62%), Vanguard Russell 2000 ETF (0.33%).
What is Whitehawk Therapeutics's short interest?
2.7M shares of Whitehawk Therapeutics were sold short, 7.67% of the float; at the average daily volume it would take 7.89 days to cover.
Are insiders buying or selling Whitehawk Therapeutics?
Of the latest 14 reported insider transactions in Whitehawk Therapeutics (since March 2, 2026), 0 were purchases and 14 were sales.
How many shares of Whitehawk Therapeutics are outstanding?
Whitehawk Therapeutics has 57.0M shares outstanding, of which 28.7M are in the public float.