CUSIP 84833T103COMSPROQ4 2025
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradeQ4 2025
56 funds hold this security · Q4 2025
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Gsk PLC | 9.19M | $21.41M | +9.19M | New Position |
| 2 | Pfizer Inc | 2.36M | $5.50M | 0 | Held |
| 3 | Vanguard Group Inc | 2.08M | $4.85M | +93.6K | Added |
| 4 | Renaissance Technologies LLC | 1.28M | $2.98M |
| Reduced |
| 5 | Alphabet Inc. | 890.0K | $2.07M | 0 | Held |
| 6 | Anson Funds Management LP | 625.1K | $1.46M | −978.5K | Reduced |
| 7 | Geode Capital Management, LLC | 529.2K | $1.23M | +1.7K | Added |
| 8 | Blackrock, Inc. | 433.6K | $1.01M | −1.2K | Reduced |
| 9 | Citadel Advisors LLC | 397.9K | $927.0K | +397.9K | New |
| 10 | Two Sigma Investments, LP | 372.6K | $868.1K | +323.2K | Added |
See every fund holding Spero Therapeutics Inc, with full quarter-over-quarter share changes.
Unlock all holders