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Werewolf Therapeutics Inc
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0.340USD
-0.013-3.57%
Close 07/02, 13:00（ET）Quotes delayed by 15 min
16.54MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
RA Capital Management, LP
12.59%
Arkin Bio Ventures LP
4.21%
MPM Capital Inc.
3.76%
Longwood Fund Management LLC
3.45%
MPM BioImpact LLC
2.87%
Other
73.13%
Shareholders
Shareholders
Proportion
RA Capital Management, LP
12.59%
Arkin Bio Ventures LP
4.21%
MPM Capital Inc.
3.76%
Longwood Fund Management LLC
3.45%
MPM BioImpact LLC
2.87%
Other
73.13%
Shareholder Types
Shareholders
Proportion
Venture Capital
17.20%
Investment Advisor/Hedge Fund
9.56%
Investment Advisor
6.29%
Corporation
4.21%
Hedge Fund
3.86%
Research Firm
2.08%
Individual Investor
1.40%
Bank and Trust
0.14%
Other
55.25%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
166
21.18M
43.59%
-7.76M
2025Q4
163
21.01M
43.28%
-9.49M
2025Q3
159
22.47M
48.14%
-11.02M
2025Q2
157
30.29M
67.51%
-6.30M
2025Q1
159
30.37M
68.02%
-6.24M
2024Q4
157
31.11M
69.81%
-7.22M
2024Q3
161
35.12M
80.23%
-3.46M
2024Q2
148
35.04M
80.49%
-1.98M
2024Q1
150
35.07M
81.79%
+2.03M
2023Q4
134
30.53M
84.54%
+2.78M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
RA Capital Management, LP
6.68M
13.75%
--
--
Dec 31, 2025
Arkin Bio Ventures LP
2.05M
4.21%
--
--
Apr 14, 2025
MPM Capital Inc.
3.37M
6.93%
-608.94K
-15.31%
Jan 14, 2026
Longwood Fund Management LLC
1.68M
3.45%
+1.68M
--
Dec 31, 2025
MPM BioImpact LLC
1.39M
2.87%
-1.02M
-42.15%
Dec 31, 2025
BofA Global Research (US)
737.55K
1.52%
-1.09M
-59.70%
Dec 31, 2025
Renaissance Technologies LLC
677.77K
1.39%
+221.77K
+48.63%
Dec 31, 2025
Lynx1 Capital Advisors LLC
655.93K
1.35%
+655.93K
--
Dec 31, 2025
Hicklin Daniel J
647.05K
1.33%
--
--
Apr 14, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
iShares Russell 2000 Value ETF
0%
iShares Russell 2000 Growth ETF
0%
ProShares Hedge Replication ETF
0%
iShares Micro-Cap ETF
0%
iShares Russell 2000 ETF
0%
ProShares UltraPro Russell2000
0%
Proshares Ultra Russell 2000
0%
DFA Dimensional US Core Equity Market ETF
0%
Avantis US Small Cap Equity ETF
0%
DFA Dimensional US Sustainability Core 1 ETF
0%
View more
iShares Russell 2000 Value ETF
Proportion0%
iShares Russell 2000 Growth ETF
Proportion0%
ProShares Hedge Replication ETF
Proportion0%
iShares Micro-Cap ETF
Proportion0%
iShares Russell 2000 ETF
Proportion0%
ProShares UltraPro Russell2000
Proportion0%
Proshares Ultra Russell 2000
Proportion0%
DFA Dimensional US Core Equity Market ETF
Proportion0%
Avantis US Small Cap Equity ETF
Proportion0%
DFA Dimensional US Sustainability Core 1 ETF
Proportion0%