Spero Therapeutics, Inc. Common Stock — Institutional Ownership
Which tracked institutions hold SPRO, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.
18
Funds holding
$31867716
Total value held
Buying
9 added/new · 2 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Gsk Plc | $20311239 | 9190606 | — | Held |
| 2 | Pfizer Inc | $5338906 | 2362348 | — | Held |
| 3 | Alphabet Inc. | $1966854 | 889979 | — | Held |
| 4 | Blackrock, Inc. | $1313634 | 594404 | +161202 | +37.21% |
| 5 | Raymond James Financial Inc | $1152968 | 521705 | +521705 | NEW BUY |
| 6 | Goldman Sachs Group Inc | $567937 | 256985 | +256985 | NEW BUY |
| 7 | State Street Corp | $474600 | 214751 | — | Held |
| 8 | Ubs Group Ag | $308693 | 139680 | +139680 | NEW BUY |
| 9 | Northern Trust Corp | $239286 | 108274 | -12710 | -10.51% |
| 10 | Invesco Ltd. | $141981 | 64245 | +64245 | NEW BUY |
| 11 | Prudential Financial Inc | $22984 | 10400 | +10400 | NEW BUY |
| 12 | Citigroup Inc | $21271 | 9625 | +9608 | +56517.65% |
| 13 | Royal Bank Of Canada | $4000 | 2014 | +2014 | NEW BUY |
| 14 | Morgan Stanley | $2020 | 914 | -3638 | -79.92% |
| 15 | Jpmorgan Chase & Co | $533 | 236 | — | Held |
| 16 | Wells Fargo & Company/Mn | $442 | 200 | — | Held |
| 17 | Us Bancorp \De\ | $334 | 151 | — | Held |
| 18 | Amalgamated Financial Corp. | $34 | 3887 | +3887 | NEW BUY |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.