$2.74
-0.01 (-0.55%)
Market Cap
$130.7M
Shares Outstanding
57,891,493
Institutional Holders
39
Total Inst. Value
$14.8M
% of Float Held
—
QoQ Holder Change
-6
Institutional data as of Q1 2025
New Positions
3
Closed Positions
14
Increased
9
Decreased
9
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | Anson Funds Management LP | $6.7M | 7,638,818 |
| 2 | PFIZER INC | $1.7M | 2,362,348 |
| 3 | VANGUARD GROUP INC | $1.3M | 1,763,620 |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $699K | 970,907 |
| 5 | Alphabet Inc. | $641K | 889,979 |
| 6 | Murchinson Ltd. | $629K | 873,910 |
| 7 | ACADIAN ASSET MANAGEMENT LLC | $626K | 871,212 |
| 8 | ADAR1 Capital Management, LLC | $577K | 801,277 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $377K | 524,869 |
| 10 | BlackRock, Inc. | $347K | 482,082 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| Anson Funds Management LP | +3.8M | $6.7M |
| GEODE CAPITAL MANAGEMENT, LLC | +44K | $377K |
| MACKENZIE FINANCIAL CORP | +21K | $151K |
| NORTHERN TRUST CORP | +14K | $73K |
| Squarepoint Ops LLC | +38K | $67K |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | -169K | $626K |
| RENAISSANCE TECHNOLOGIES LLC | -135K | $699K |
| CITADEL ADVISORS LLC | -112K | $44K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | -30K | $111K |
| US BANCORP \DE\ | -5K | $109 |
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Frequently Asked Questions
How many institutional investors hold SPRO?
As of Q1 2025, 39 institutional investors report holding SPRO (Spero Therapeutics, Inc.) in their 13F filings.
Which hedge fund owns the most SPRO?
The largest institutional holder of SPRO is Anson Funds Management LP with $6.7M in shares.
Are institutions buying or selling SPRO?
This quarter, 3 institutions opened new positions in SPRO and 14 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.