Cross-fund · 4 holders
ATRA
ATARA BIOTHERAPEUTICS INC
CUSIP 046513206
4
Tracked holders
$5.6M
Aggregate value
546,915
Shares
5
Active funds
Funds holding ATRA
| Fund | Strategy | Period | Value | % of book | Δ shares | Status |
|---|---|---|---|---|---|---|
| Vanguard | Institutional | Q4 2025 | $4.1M | — | +22,502 | +11.1% |
| Point72FEAT | Multi-Strategy | Q1 2026 | $918,869 | — | +175,968 | +961.8% |
| BlackRock | Institutional | Q1 2026 | $373,773 | — | +11,914 | +17.8% |
| Millennium | Multi-Strategy | Q1 2026 | $225,569 | — | +47,689 | NEW |
| Citadel | Multi-Strategy | Q1 2026 | — | — | −15,577 | EXITED |
Aggregated from the latest 13F-HR per tracked fund (longs only). QoQ deltas compare against each fund's prior quarterly filing.