$0.73
+0.06 (+9.24%)
Market Cap
$35.6M
Shares Outstanding
48,596,800
Institutional Holders
70
Total Inst. Value
$20.7M
% of Float Held
68.0%
QoQ Holder Change
+14
Institutional data as of Q1 2025
New Positions
9
Closed Positions
10
Increased
23
Decreased
19
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | MPM ASSET MANAGEMENT LLC | $4.2M | 4,309,860 |
| 2 | PFM Health Sciences, LP | $2.4M | 2,506,520 |
| 3 | MPM BioImpact LLC | $2.3M | 2,408,810 |
| 4 | BANK OF AMERICA CORP /DE/ | $2.0M | 2,103,142 |
| 5 | BlackRock, Inc. | $1.6M | 1,671,855 |
| 6 | VANGUARD GROUP INC | $1.5M | 1,509,436 |
| 7 | Rubric Capital Management LP | $1.3M | 1,333,893 |
| 8 | MILLENNIUM MANAGEMENT LLC | $763K | 784,617 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $696K | 717,524 |
| 10 | SPHERA FUNDS MANAGEMENT LTD. | $609K | 626,810 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| MPM ASSET MANAGEMENT LLC | +26K | $4.2M |
| MPM BioImpact LLC | +21K | $2.3M |
| BANK OF AMERICA CORP /DE/ | +24K | $2.0M |
| VANGUARD GROUP INC | +88K | $1.5M |
| MILLENNIUM MANAGEMENT LLC | +188K | $763K |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| PFM Health Sciences, LP | -399K | $2.4M |
| DIMENSIONAL FUND ADVISORS LP | -110K | $82K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | -70K | $38K |
| TWO SIGMA ADVISERS, LP | -62K | $75K |
| JPMORGAN CHASE & CO | -47K | $14K |
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Frequently Asked Questions
How many institutional investors hold HOWL?
As of Q1 2025, 70 institutional investors report holding HOWL (Werewolf Therapeutics, Inc.) in their 13F filings.
What percentage of Werewolf Therapeutics, Inc. is owned by institutions?
Institutional investors hold approximately 68.0% of Werewolf Therapeutics, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most HOWL?
The largest institutional holder of HOWL is MPM ASSET MANAGEMENT LLC with $4.2M in shares.
Are institutions buying or selling HOWL?
This quarter, 9 institutions opened new positions in HOWL and 10 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.