Institutional Ownership Spero Therapeutics, Inc. (SPRO)
This table provides information about the institutional ownership of Spero Therapeutics, Inc. (SPRO). We have compiled data on the 43 institutions that hold shares in the stock, with a total of 18.4 Million shares, which have been reported (via 13F filing form) to have a value of $11.9 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Anson Funds Management LP
Dallas, TX |
May 14, 2025 Q1 2025 |
7,638,818
shares
|
$5.19 Million
1.0% of portfolio
|
Q1 2025
Added 98.93%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
1,763,620
shares
|
$1.2 Million
0.0% of portfolio
|
Q3 2024
Reduced 0.39%
|
|
|
Atlas Venture Associates Ix, LLC
Boston, MA |
Nov 13, 2023 Q3 2023 |
1,353,303
shares
|
$920,246
14.54% of portfolio
|
Q2 2023
Reduced 1.72%
|
|
|
Acadian Asset Management LLC
Boston, MA |
Feb 11, 2025 Q4 2024 |
1,039,922
shares
|
$707,146
0.0% of portfolio
|
Q4 2024
Reduced 2.98%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
May 14, 2025 Q1 2025 |
970,907
shares
|
$660,216
0.0% of portfolio
|
Q1 2025
Reduced 12.18%
|
|
|
Alphabet Inc.
Mountain View, CA |
May 01, 2025 Q1 2025 |
889,979
shares
|
$605,185
0.06% of portfolio
|
Q4 2020
Reduced 20.0%
|
|
|
Murchinson Ltd.
Toronto, A6 |
May 15, 2025 Q1 2025 |
873,910
shares
|
$594,258
0.08% of portfolio
|
Q4 2024
New holding
|
|
|
Adar1 Capital Management, LLC
Austin, TX |
May 15, 2025 Q1 2025 |
801,277
shares
|
$544,868
0.11% of portfolio
|
Q4 2024
Added 7.78%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
524,869
shares
|
$356,910
0.0% of portfolio
|
Q1 2025
Added 9.09%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
483,402
shares
|
$328,713
0.0% of portfolio
|
Q2 2024
Added 1.36%
|
|
|
Monimus Capital Management, LP
Woodbridge, NJ |
May 15, 2025 Q1 2025 |
310,908
shares
|
$211,417
0.19% of portfolio
|
Q4 2024
New holding
|
|
|
Atlas Venture Life Science Advisors, LLC
|
May 14, 2025 Q1 2025 |
305,255
shares
|
$207,573
0.06% of portfolio
|
Q4 2024
Reduced 24.23%
|
|
|
Oup Management Co., LLC
|
Nov 09, 2023 Q3 2023 |
249,070
shares
|
$169,367
0.68% of portfolio
|
Q4 2021
New holding
|
|
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
May 07, 2025 Q1 2025 |
209,031
shares
|
$142,141
0.0% of portfolio
|
Q1 2025
Added 11.45%
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
May 15, 2025 Q1 2025 |
154,800
shares
|
$105,264
0.0% of portfolio
|
Q1 2025
Reduced 16.23%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
148,911
shares
|
$101,259
0.0% of portfolio
|
Q4 2024
Added 14.1%
|
|
|
Dafna Capital Management LLC
Los Angeles, CA |
May 15, 2025 Q1 2025 |
125,000
shares
|
$85,000
0.03% of portfolio
|
Q3 2022
New holding
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
100,924
shares
|
$68,628
0.0% of portfolio
|
Q1 2025
Added 16.75%
|
|
|
Squarepoint Ops LLC
New York, NY |
May 15, 2025 Q1 2025 |
92,939
shares
|
$63,198
0.0% of portfolio
|
Q1 2025
Added 68.82%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
61,316
shares
|
$41,694
0.0% of portfolio
|
Q1 2025
Reduced 64.53%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
60,817
shares
|
$41,355
0.0% of portfolio
|
Q1 2025
Reduced 1.31%
|
|
|
Prudential Financial Inc
Newark, NJ |
May 13, 2025 Q1 2025 |
56,000
shares
|
$38,080
0.0% of portfolio
|
Q1 2025
Added 13.82%
|
|
|
Three Seasons Wealth, LLC
Salt Lake City, UT |
May 09, 2025 Q1 2025 |
30,000
shares
|
$20,400
0.01% of portfolio
|
Q3 2024
Added 100.0%
|
|
|
Dlk Investment Management, LLC
Solana Beach, CA |
Apr 23, 2025 Q1 2025 |
29,825
shares
|
$20,281
0.01% of portfolio
|
Q1 2025
Added 3.0%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
28,565
shares
|
$19,424
0.0% of portfolio
|
Q4 2022
New holding
|