Werewolf Therapeutics Ownership | Who Owns Werewolf Therapeutics?

Werewolf Therapeutics Ownership Summary

Werewolf Therapeutics is owned by 7.04% institutional investors, 5.61% insiders, and 87.35% retail investors. Ra capital management is the largest institutional shareholder, holding 14.85% of HOWL shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.93% of its assets in Werewolf Therapeutics shares.

HOWL Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Werewolf Therapeutics	7.04%	5.61%	87.35%
Sector	Healthcare Stocks	232.51%	10.72%	-143.23%
Industry	Biotech Stocks	384.56%	10.58%	-295.14%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Ra capital management	6.68M	14.85%	$13.16M
Mpm asset management	4.31M	9.58%	$8.49M
Bioimpact capital	2.41M	5.36%	$4.75M
Bank of america corp /de/	2.15M	5.16%	$5.24M
Blackrock	1.59M	3.82%	$3.87M
Vanguard group	1.41M	3.10%	$892.70K
Millennium management	784.62K	1.75%	$762.80K
Renaissance	677.77K	1.49%	$429.37K
Sphera funds management	626.81K	1.39%	$1.23M
Dc funds, lp	589.10K	1.31%	$1.16M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Dc funds, lp	589.10K	37.32%	$1.16M
Mpm asset management	4.31M	19.08%	$8.49M
Bioimpact capital	2.41M	0.78%	$4.75M
Sphera funds management	626.81K	0.26%	$1.23M
Ra capital management	6.68M	0.16%	$13.16M
Pfm health sciences, lp	401.11K	0.06%	$790.19K
Bridgeway capital management	102.00K	0.00%	$200.94K
Point72 asia (singapore) pte.	13.02K	0.00%	$25.64K
Regal investment advisors	27.20K	0.00%	$53.59K
Ranch capital advisors	12.00K	0.00%	$7.60K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	1.59M	0.00%	1.42M
Bank of america corp /de/	2.15M	0.00%	266.31K
Renaissance	677.77K	0.00%	221.77K
Millennium management	784.62K	0.00%	188.33K
Ubs group	60.71K	-	47.93K

Top Sellers

Holder	Shares	% Assets	Change
Adage capital partners gp	-	-	-2.00M
Rubric capital management lp	-	-	-1.33M
Monashee investment management	-	-	-890.00K
Eagle health investments lp	-	-	-700.00K
Verition fund management	-	-	-233.83K

New Positions

Holder	Shares	% Assets	Change	Value
Cubist systematic strategies	46.71K	0.00%	46.71K	$92.02K
Susquehanna group, llp	33.86K	-	33.86K	$50.12K
D. e. shaw	17.78K	-	17.78K	$26.31K
Delta investment management	14.93K	0.00%	14.93K	$9.46K
Virtu financial	12.23K	0.00%	12.23K	$24.00K

Sold Out

Holder	Change
Ifp advisors	-1.00
True wealth design	-13.00
Eversource wealth advisors	-35.00
Plante moran financial advisors	-50.00
Capital performance advisors llp	-60.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	31	-50.00%	3,199,424	-84.84%	7	0.32%	15	-28.57%	9	-50.00%
Sep 30, 2025	60	-3.23%	20,872,525	-5.08%	46	1.94%	20	-33.33%	18	-
Jun 30, 2025	65	-9.72%	22,335,903	-18.62%	49	1.32%	32	3.23%	19	-5.00%
Mar 31, 2025	1	-98.65%	1,333,893	-95.26%	2	0.07%	-	-100.00%	-	-100.00%
Dec 31, 2024	45	-35.71%	5,479,410	-82.99%	12	0.23%	28	-28.21%	8	-33.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	876.59K	1.93%	-19.16K
Vanguard US Total Market Shares ETF	800.28K	1.79%	-
HBM Healthcare Investments AG Ord	396.80K	0.91%	-60.51K
Fidelity Small Cap Index	311.53K	0.69%	-
Vanguard Institutional Extnd Mkt Idx Tr	284.82K	0.63%	-107.34K
BIT Biotech Opportunities S	241.06K	0.54%	-
Fidelity Extended Market Index	166.01K	0.36%	-1.37K
Vanguard Russell 2000 ETF	152.99K	0.34%	1.40K
Royce Micro Cap Trust	125.48K	0.29%	88.16K
A4Investments SICAV SIF ACCI IlanaA2EURH	117.75K	0.26%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 16, 2026	EVNIN LUKE	-	Sell	$20.94K
Jan 15, 2026	EVNIN LUKE	-	Sell	$20.58K
Jan 13, 2026	EVNIN LUKE	-	Sell	$23.76K
Jan 14, 2026	EVNIN LUKE	-	Sell	$17.45K
Jan 08, 2026	EVNIN LUKE	-	Sell	$4.86K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	10
2025 Q4	-	100
2025 Q2	3	-
2025 Q1	-	-
2024 Q2	-	-

HOWL Ownership FAQ

Who Owns Werewolf Therapeutics?

Werewolf Therapeutics shareholders are primarily institutional investors at 7.04%, followed by 5.61% insiders and 87.35% retail investors. The average institutional ownership in Werewolf Therapeutics's industry, Biotech Stocks , is 384.56%, which Werewolf Therapeutics falls below.

Who owns the most shares of Werewolf Therapeutics?

Werewolf Therapeutics’s largest shareholders are Ra capital management (6.68M shares, 14.85%), Mpm asset management (4.31M shares, 9.58%), and Bioimpact capital (2.41M shares, 5.36%). Together, they hold 29.79% of Werewolf Therapeutics’s total shares outstanding.

Does Blackrock own Werewolf Therapeutics?

Yes, BlackRock owns 3.82% of Werewolf Therapeutics, totaling 1.59M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 3.87M$. In the last quarter, BlackRock increased its holdings by 1.42M shares, a 863.47% change.

Who is Werewolf Therapeutics’s biggest shareholder by percentage of total assets invested?

Dc funds, lp is Werewolf Therapeutics’s biggest shareholder by percentage of total assets invested, with 37.32% of its assets in 589.1K Werewolf Therapeutics shares, valued at 1.16M$.

Who is the top mutual fund holder of Werewolf Therapeutics shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Werewolf Therapeutics shares, with 1.93% of its total shares outstanding invested in 876.59K Werewolf Therapeutics shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools