Atara Biotherapeutics, Inc. Common Stock — Institutional Ownership

Which tracked institutions hold ATRA, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.

7
Funds holding
$625275
Total value held
Buying
3 added/new · 1 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $373773 79022 +11914 +17.75%
2 State Street Corp $125123 26453 Held
3 Northern Trust Corp $58368 12340 Held
4 Morgan Stanley $43370 9169 -6822 -42.66%
5 Royal Bank Of Canada $20000 4319 NEW BUY
6 Wells Fargo & Company/Mn $4541 251 Held
7 Amalgamated Financial Corp. $100 10796 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.