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ATRA2 quarters
Position history for AGADAGE CAPITAL PARTNERS GP, L.L.C.'s holdings in ATARA BIOTHERAPEUTICS INC
Yes. Adage Capital Partners GP holds 850,000 shares of ATRA (Atara Biotherapeutics), worth $9.8M, as of its Q2 2026 13F filing. It increased the position by 150,000 shares (+21.4%) from Q1 2026. Adage Capital Partners GP has held ATRA since Q1 2026, across 2 quarterly 13F filings.
Current Value
$9.8M
Current Shares
850,000
Total Value Change
+$6.4M
Total Shares Change
+150,000
Quarter-by-Quarter History
Other major holders of ATRA: Point72 Asset Management, L.P., VANGUARD GROUP INC, CITADEL ADVISORS LLC, VANGUARD CAPITAL MANAGEMENT LLC