$34.20
+0.88 (+2.63%)
Market Cap
$212.7M
Shares Outstanding
8,497,844
Institutional Holders
114
Total Inst. Value
$37.3M
% of Float Held
—
QoQ Holder Change
+11
Institutional data as of Q1 2025
New Positions
22
Closed Positions
27
Increased
39
Decreased
31
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | SUVRETTA CAPITAL MANAGEMENT, LLC | $4.9M | 7,462,495 |
| 2 | BlackRock, Inc. | $4.0M | 6,204,784 |
| 3 | Kynam Capital Management, LP | $3.5M | 5,441,447 |
| 4 | VANGUARD GROUP INC | $2.9M | 4,395,244 |
| 5 | ACADIAN ASSET MANAGEMENT LLC | $2.0M | 3,134,586 |
| 6 | Merck & Co., Inc. | $1.8M | 2,723,509 |
| 7 | Vestal Point Capital, LP | $1.7M | 2,600,000 |
| 8 | Eversept Partners, LP | $1.5M | 2,292,261 |
| 9 | Samsara BioCapital, LLC | $1.4M | 2,196,814 |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $1.3M | 2,000,000 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| Kynam Capital Management, LP | +1.8M | $3.5M |
| VANGUARD GROUP INC | +187K | $2.9M |
| ACADIAN ASSET MANAGEMENT LLC | +1.4M | $2.0M |
| Vestal Point Capital, LP | +30K | $1.7M |
| Eversept Partners, LP | +1.6M | $1.5M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| CITADEL ADVISORS LLC | -2.3M | $92K |
| BlackRock, Inc. | -1.4M | $4.0M |
| MORGAN STANLEY | -1.3M | $125K |
| DIMENSIONAL FUND ADVISORS LP | -319K | $533K |
| TWO SIGMA ADVISERS, LP | -307K | $157K |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold STRO?
As of Q1 2025, 114 institutional investors report holding STRO (Sutro Biopharma, Inc.) in their 13F filings.
Which hedge fund owns the most STRO?
The largest institutional holder of STRO is SUVRETTA CAPITAL MANAGEMENT, LLC with $4.9M in shares.
Are institutions buying or selling STRO?
This quarter, 22 institutions opened new positions in STRO and 27 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.