WEREWOLF THERAPEUTICS INC (HOWL) Institutional Ownership Changes & 13F Activity

WEREWOLF THERAPEUTICS INC (HOWL). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-161,548516,218$429,803
Q4 2025Renaissance Technologies LLCBuy221,766677,766$429,365
Q3 2025Renaissance Technologies LLCBuy139,700456,000$898,320
Q2 2025Renaissance Technologies LLCBuy252,400316,300$344,767
Q1 2025Renaissance Technologies LLCBuy7,00063,900$62,124
Q4 2024Renaissance Technologies LLCSell-95,30056,900$84,212
Q3 2024Renaissance Technologies LLCSell-18,800152,200$322,664
Q2 2024Renaissance Technologies LLCBuy86,800171,000$417,240
Q1 2024Renaissance Technologies LLCSell-23,30684,200$546
Q4 2023Renaissance Technologies LLCBuy62,306107,506$415
Q3 2023Renaissance Technologies LLCBuy2,30045,200$97
Q2 2023Renaissance Technologies LLCBuy8,80042,900$131
Q1 2023Renaissance Technologies LLCSell-44,12334,100$89
Q4 2022Renaissance Technologies LLCBuy59,92378,223$160
Q3 2022Renaissance Technologies LLCBuy1,50018,300$83
Q2 2022Renaissance Technologies LLCBuy16,80016,800$69

Frequently asked questions about HOWL activity

  • Which institutional owners are buying HOWL?

    Institutional owners buying HOWL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in HOWL activity?

    "Buy" means an investor increased their reported position in HOWL compared to the prior reporting period. This reflects growing exposure to WEREWOLF THERAPEUTICS INC (HOWL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in HOWL increasing?

    Institutional interest in HOWL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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