WEREWOLF THERAPEUTICS INC HOWL
$0.34
-3.7% 52w: $0.31 – $2.19
Latest 13F among current holders filed 33 days ago (Jun 2, 2026)
Price — last 12 months
research preview data0.311.252.19
Jun 20, 2025 Jul 2, 2026
Institutional holders
48
-3 QoQ
13F value
$11.7M
+24.8% QoQ
Smart-money holders
5
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
0.3×
$394 calls / $2K puts
Institutional value by quarter
Number of holders
Who owns HOWL?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. ★2 | Fundamental diversified | 6.7M | $5.6M | 0.1% | Held |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.2M | $1.0M | 0.0% | — |
| MPM BIOIMPACT LLC ★2 | Fundamental concentrated | 1.2M | $1.0M | 0.1% | -13.3% |
| Lynx1 Capital Management LP ★2 | Fundamental concentrated | 657.8K | $548K | 0.1% | +0.3% |
| SPHERA FUNDS MANAGEMENT LTD. | Other | 626.8K | $522K | 0.1% | Held |
| DC Funds, LP ★2 | Fundamental diversified | 589.1K | $490K | 33.0% | Held |
| Squadron Capital Management LLC ★2 | Fundamental concentrated | 563.5K | $469K | 0.2% | New |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 516.2K | $430K | 0.0% | -23.8% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 389.5K | $324K | 0.0% | +16.0% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 264.6K | $220K | 0.0% | -64.1% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 157.7K | $131K | 0.0% | — |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 132.1K | $110K | 0.0% | -45.0% |
| STATE STREET CORP | Index provider | 119.2K | $99K | 0.0% | Held |
| BlackRock, Inc. | Index provider | 101.6K | $85K | 0.0% | 0.0% |
| NORTHERN TRUST CORP | Index provider | 86.9K | $72K | 0.0% | Held |
| Alyeska Investment Group, L.P. | Quant stat arb | 86.6K | $72K | 0.0% | -63.3% |
| JANE STREET GROUP, LLC | Market maker | 82.8K | $69K | 0.0% | -47.3% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 77.0K | $64K | 0.0% | Held |
| UBS Group AG | Bank broker | 66.9K | $56K | 0.0% | +10.1% |
| XTX Topco Ltd | Market maker | 50.9K | $42K | 0.0% | New |
| GOLDMAN SACHS GROUP INC | Bank broker | 38.3K | $32K | 0.0% | +12.3% |
| MORGAN STANLEY | Bank broker | 33.8K | $28K | 0.0% | -26.5% |
| SIMPLEX TRADING, LLC | Market maker | 32.5K | $27K | 0.0% | +35.2% |
| Verdad Advisers, LP | Quant stat arb | 29.8K | $25K | 0.0% | New |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 19.8K | $16K | 0.0% | New |
| HRT FINANCIAL LP | Diversified mechanical | 17.9K | $14K | 0.0% | New |
| CERTUITY, LLC | Other | 15.0K | $12K | 0.0% | Held |
| Delta Investment Management, LLC | Wealth advisor | 14.9K | $12K | 0.0% | Held |
| BARCLAYS PLC | Bank broker | 13.2K | $11K | 0.0% | 0.0% |
| Larson Financial Group LLC | Wealth advisor | 13.1K | $11K | 0.0% | Held |
| Ranch Capital Advisors Inc. | Other | 12.0K | $10K | 0.0% | Held |
| HBK Sorce Advisory LLC | Wealth advisor | 13.2K | $9K | 0.0% | Held |
| CITADEL ADVISORS LLC | Multistrat pod | 10.4K | $9K | 0.0% | New |
| Vanguard Global Advisers, LLC | Diversified mechanical | 10.3K | $9K | 0.0% | — |
| Cetera Investment Advisers | Wealth advisor | 10.2K | $8K | 0.0% | Held |
| LPL Financial LLC | Bank broker | 10.0K | $8K | 0.0% | New |
| OSAIC HOLDINGS, INC. | Wealth advisor | 8.6K | $7K | 0.0% | Held |
| Financial Perspectives, Inc | Wealth advisor | 6.8K | $6K | 0.0% | Held |
| TFC Financial Management, Inc. | Wealth advisor | 4.5K | $4K | 0.0% | Held |
| CITIGROUP INC | Bank broker | 3.4K | $3K | 0.0% | +338300.0% |
| JPMORGAN CHASE & CO | Bank broker | 2.1K | $2K | 0.0% | +1.2% |
| GROUP ONE TRADING LLC | Market maker | 1.9K | $2K | 0.0% | Held |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 790 | $658 | 0.0% | -0.3% |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | Insurance | 200 | $167 | 0.0% | +4900.0% |
| SBI Securities Co., Ltd. | Diversified mechanical | 80 | $67 | 0.0% | +100.0% |
| FMR LLC | Long only active | 39 | $32 | 0.0% | -98.9% |
| Arax Advisory Partners | Wealth advisor | 12 | $32 | 0.0% | -69.2% |
| Optiver Holding B.V. | Market maker | 22 | $18 | 0.0% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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