Spero Therapeutics
SPRO
SPRO
56 hedge funds and large institutions have $49.2M invested in Spero Therapeutics in 2025 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 14 increasing their positions, 12 reducing their positions, and 6 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
more funds holding
Funds holding: →
more ownership
Funds ownership: →
17% more repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 12
14% less call options, than puts
Call options by funds: $263K | Put options by funds: $306K
Holders
56
Holding in Top 10
1
Calls
$263K
Puts
$306K
Top Buyers
| 1 | +$924K | |
| 2 | +$750K | |
| 3 | +$682K | |
| 4 |
Two Sigma Advisers
New York
|
+$503K |
| 5 |
SEI Investments
Oaks,
Pennsylvania
|
+$307K |
Top Sellers
| 1 | -$2.27M | |
| 2 | -$402K | |
| 3 | -$283K | |
| 4 |
EI
EAM Investors
Solana Beach,
California
|
-$149K |
| 5 |
Morgan Stanley
New York
|
-$100K |