Spero Therapeutics, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| ANSON FUNDS MANAGEMENT LP | 05/28/2025 | 3.80 M | $2.74 M | -1.07% | 6.86% |
| PFIZER INC | 05/13/2025 | 2.36 M | $1.70 B | 0.00% | 4.27% |
| VANGUARD GROUP INC | 05/09/2025 | 1.76 M | $1.27 M | 0.00% | 3.18% |
| RENAISSANCE TECHNOLOGIES LLC | 05/14/2025 | 970.91 K | $699.05 K | -12.18% | 1.75% |
| MURCHINSON LTD. | 05/15/2025 | 873.91 K | $629.22 K | 0.00% | 1.62% |
| ALPHABET INC. | 05/02/2025 | 889.98 K | $640.79 K | 0.00% | 1.61% |
| ACADIAN ASSET MANAGEMENT LLC | 05/21/2025 | 871.21 K | $626.00 K | -16.22% | 1.57% |
| ADAR1 CAPITAL MANAGEMENT, LLC | 05/15/2025 | 801.28 K | $576.92 K | 0.00% | 1.48% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/13/2025 | 524.87 K | $378.01 K | 9.09% | 0.95% |
| BLACKROCK, INC. | 05/02/2025 | 482.08 K | $347.10 K | -0.67% | 0.87% |
| 05/15/2025 | 310.91 K | $223.85 K | 0.00% | 0.58% | |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 05/14/2025 | 305.26 K | $219.78 M | 0.00% | 0.55% |
| MACKENZIE FINANCIAL CORP | 05/07/2025 | 209.03 K | $150.50 K | 11.45% | 0.38% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 05/15/2025 | 154.80 K | $111.46 K | -16.23% | 0.28% |
| STATE STREET CORP | 05/15/2025 | 148.91 K | $107.22 K | 0.00% | 0.27% |
| DAFNA CAPITAL MANAGEMENT LLC | 05/15/2025 | 125.00 K | $90.00 K | 0.00% | 0.23% |
| NORTHERN TRUST CORP | 05/13/2025 | 100.92 K | $72.67 K | 16.75% | 0.18% |
| SQUAREPOINT OPS LLC | 05/15/2025 | 92.94 K | $66.92 K | 68.82% | 0.17% |
| CITADEL ADVISORS LLC | 05/15/2025 | 61.32 K | $44.15 K | -64.53% | 0.11% |
| JPMORGAN CHASE & CO | 05/12/2025 | 60.82 K | $43.79 K | -1.31% | 0.11% |
| PRUDENTIAL FINANCIAL INC | 05/13/2025 | 56.00 K | $40.32 K | 13.82% | 0.10% |
| 05/09/2025 | 30.00 K | $21.60 K | 0.00% | 0.05% | |
| DLK INVESTMENT MANAGEMENT, LLC | 04/23/2025 | 29.83 K | $21.47 K | 3.00% | 0.05% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/09/2025 | 28.57 K | $20.57 K | 0.00% | 0.05% |
| EP WEALTH ADVISORS, LLC | 05/15/2025 | 16.50 K | $11.88 K | 100.00% | 0.03% |
| TEXAS YALE CAPITAL CORP. | 05/07/2025 | 10.00 K | $7.20 K | 0.00% | 0.02% |
| CITADEL ADVISORS LLC | 05/15/2025 | 9.30 K | $6.70 K | 4,550.00% | 0.02% |
| MORGAN STANLEY | 05/15/2025 | 6.97 K | $5.02 K | 0.00% | 0.01% |
| BANK OF AMERICA CORP /DE/ | 05/15/2025 | 5.57 K | $4.01 K | 0.32% | 0.01% |
| SIMPLEX TRADING, LLC | 05/12/2025 | 5.10 K | $3.00 K | -0.23% | 0.01% |
| FMR LLC | 05/12/2025 | 5.06 K | $3.64 K | 17.88% | 0.01% |
| CULLEN/FROST BANKERS, INC. | 05/02/2025 | 2.00 K | $1.44 K | 0.00% | 0.00% |
| 05/15/2025 | 400 | $266 | 100.00% | 0.00% | |
| WELLS FARGO & COMPANY/MN | 05/13/2025 | 200 | $144 | 0.00% | 0.00% |
| US BANCORP \DE\ | 05/08/2025 | 151 | $109 | -97.07% | 0.00% |
| CITADEL ADVISORS LLC | 05/15/2025 | 100 | $72 | -50.00% | 0.00% |
| NEWEDGE ADVISORS, LLC | 05/15/2025 | 100 | $72 | 0.00% | 0.00% |
| 05/02/2025 | 60 | $43 | -71.83% | 0.00% | |
| CORECAP ADVISORS, LLC | 05/09/2025 | 50 | $36 | 0.00% | 0.00% |
| BNP PARIBAS ARBITRAGE, SNC | 05/14/2025 | 12 | $9 | 0.00% | 0.00% |
| RICHARDS, MERRILL & PETERSON, INC. | 05/07/2025 | 0 | $0 | -100.00% | 0.00% |
| DIMENSIONAL FUND ADVISORS LP | 05/13/2025 | 0 | $0 | -100.00% | 0.00% |
| NATIONAL BANK OF CANADA /FI/ | 05/12/2025 | 0 | $0 | -100.00% | 0.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/14/2025 | 0 | $0 | -100.00% | 0.00% |
| HRT FINANCIAL LP | 05/15/2025 | 0 | $0 | -100.00% | 0.00% |
| TOWER RESEARCH CAPITAL LLC (TRC) | 05/15/2025 | 0 | $0 | -100.00% | 0.00% |
| VIRTU FINANCIAL LLC | 05/12/2025 | 0 | $0 | -100.00% | 0.00% |
| JANE STREET GROUP, LLC | 05/19/2025 | 0 | $0 | -100.00% | 0.00% |
| ADVISOR GROUP HOLDINGS, INC. | 05/12/2025 | 0 | $0 | -100.00% | 0.00% |
| XTX TOPCO LTD | 05/08/2025 | 0 | $0 | -100.00% | 0.00% |
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Spero Therapeutics, Inc. institutional Ownership - FAQ's
During the previous two years, 59 institutional investors and hedge funds held shares of Spero Therapeutics, Inc.. The most heavily invested institutionals were:
Anson Funds Management LP: 3.8 M
PFIZER INC: 2.36 M
VANGUARD GROUP INC: 1.76 M
RENAISSANCE TECHNOLOGIES LLC: 970,907
Alphabet Inc.: 889,979
Murchinson Ltd.: 873,910
27.28% of Spero Therapeutics, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 18.77 M shares in the last 24 months. This purchase volume represents approximately $48.80 M in transactions.