Spero Therapeutics, Inc. Common Stock — Institutional Ownership
Which tracked institutions hold SPRO, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.
12
Funds holding
$30961260
Total value held
Buying
6 added/new · 1 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Gsk Plc | $21506018 | 9190606 | — | NEW BUY |
| 2 | Pfizer Inc | $5504271 | 2362348 | — | Held |
| 3 | Alphabet Inc. | $2082551 | 889979 | — | Held |
| 4 | Blackrock, Inc. | $1013693 | 433202 | -414 | -0.10% |
| 5 | State Street Corp | $502517 | 214751 | +4600 | +2.19% |
| 6 | Northern Trust Corp | $283103 | 120984 | — | Held |
| 7 | Invesco Ltd. | $57563 | 24705 | +2605 | +11.79% |
| 8 | Morgan Stanley | $10651 | 4552 | +4239 | +1354.31% |
| 9 | Wells Fargo & Company/Mn | $466 | 200 | — | Held |
| 10 | Us Bancorp \De\ | $353 | 151 | — | Held |
| 11 | Citigroup Inc | $40 | 17 | — | NEW BUY |
| 12 | Amalgamated Financial Corp. | $34 | 3887 | — | NEW BUY |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.