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 48 institutions that hold shares in the stock, with a total of 10.4 Million shares, which have been reported (via 13F filing form) to have a value of $24.7 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
1,950,381
shares
|
$4.6 Million
0.0% of portfolio
|
Q2 2025
Added 10.59%
|
|
|
Anson Funds Management LP
Dallas, TX |
Aug 13, 2025 Q2 2025 |
1,615,469
shares
|
$3.81 Million
0.86% of portfolio
|
Q2 2025
Reduced 57.48%
|
|
|
Atlas Venture Associates Ix, LLC
Boston, MA |
Nov 13, 2023 Q3 2023 |
1,353,303
shares
|
$3.19 Million
14.54% of portfolio
|
Q2 2023
Reduced 1.72%
|
|
|
Alphabet Inc.
Mountain View, CA |
Jul 31, 2025 Q2 2025 |
889,979
shares
|
$2.1 Million
0.17% of portfolio
|
Q4 2020
Reduced 20.0%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
832,165
shares
|
$1.96 Million
0.0% of portfolio
|
Q2 2025
Reduced 14.29%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
510,834
shares
|
$1.21 Million
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
510,699
shares
|
$1.21 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.7%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
483,402
shares
|
$1.14 Million
0.0% of portfolio
|
Q2 2024
Added 1.36%
|
|
|
Monimus Capital Management, LP
Woodbridge, NJ |
Aug 14, 2025 Q2 2025 |
310,908
shares
|
$733,742
0.66% of portfolio
|
Q4 2024
New holding
|
|
|
Oup Management Co., LLC
|
Nov 09, 2023 Q3 2023 |
249,070
shares
|
$587,805
0.68% of portfolio
|
Q4 2021
New holding
|
|
|
Eam Investors, LLC
Solana Beach, CA |
Aug 12, 2025 Q2 2025 |
239,140
shares
|
$564,370
0.13% of portfolio
|
Q2 2025
New holding
|
|
|
Stonepine Capital Management, LLC
Bend, OR |
Aug 13, 2025 Q2 2025 |
156,888
shares
|
$370,255
0.45% of portfolio
|
Q2 2025
New holding
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
153,451
shares
|
$362,144
0.0% of portfolio
|
Q2 2025
Added 3.05%
|
|
|
Ionic Capital Management LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
150,000
shares
|
$354,000
0.14% of portfolio
|
Q2 2025
New holding
|
|
|
Adar1 Capital Management, LLC
Austin, TX |
Aug 14, 2025 Q2 2025 |
143,917
shares
|
$339,644
0.06% of portfolio
|
Q2 2025
Reduced 82.04%
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
Aug 14, 2025 Q2 2025 |
114,800
shares
|
$270,928
0.01% of portfolio
|
Q2 2025
Reduced 25.84%
|
|
|
Acadian Asset Management LLC
Boston, MA |
Aug 07, 2025 Q2 2025 |
112,889
shares
|
$266,418
0.0% of portfolio
|
Q2 2025
Reduced 87.04%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
103,786
shares
|
$244,934
0.0% of portfolio
|
Q2 2025
Added 69.26%
|
|
|
Northern Trust Corp
Chicago, IL |
Aug 13, 2025 Q2 2025 |
100,831
shares
|
$237,961
0.0% of portfolio
|
Q2 2025
Reduced 0.09%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
69,814
shares
|
$164,761
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
60,817
shares
|
$143,528
0.0% of portfolio
|
Q1 2025
Reduced 1.31%
|
|
|
Xtx Topco LTD
London, X0 |
Aug 12, 2025 Q2 2025 |
34,551
shares
|
$81,540
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Capital Asset Advisory Services LLC
Haslett, MI |
Jul 07, 2025 Q2 2025 |
32,548
shares
|
$76,813
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Axxcess Wealth Management, LLC
Carlsbad, CA |
Jul 28, 2025 Q2 2025 |
32,548
shares
|
$76,813
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Quadrature Capital LTD
London, X0 |
Aug 13, 2025 Q2 2025 |
31,205
shares
|
$73,643
0.0% of portfolio
|
Q2 2025
New holding
|