SEI Investments
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SEI Investments’s Atara Biotherapeutics ATRA Stock Holding History

SEI Investments’s Portfolio ATRA Stock Details ATRA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2023
Q4 		– Sell
-1,288
Closed -$47.7K – 2618
2023
Q3 		$47.7K Buy
1,288
+655
+103% +$29.2K ﹤0.01% 2565
2023
Q2 		$25.5K Sell
633
-467
-42% -$26.4K ﹤0.01% 2647
2023
Q1 		$79.7K Buy
1,100
+481
+78% +$46.7K ﹤0.01% 2597
2022
Q4 		$50.8K Sell
619
-28
-4% -$2.92K ﹤0.01% 2489
2022
Q3 		$61K Buy
+647
New +$72.7K ﹤0.01% 2610
2015
Q4 		– Sell
-287
Closed -$226K – 2526
2015
Q3 		$226K Buy
+287
New +$350K ﹤0.01% 1574

Other funds holding ATRA

EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

SEI Investments's ATRA Position: Q4 2023 in Review

SEI Investments sold out of Atara Biotherapeutics (ATRA) in Q4 2023, closing a stake of 1,288 shares — an estimated $47.7K sold.

SEI Investments first reported a position in ATRA in Q3 2015 and held it in 6 quarters. The position peaked at $226K in Q3 2015. 90 funds tracked by Wall St. Rank hold ATRA as of Q4 2023.

  • SEI Investments reported no remaining Atara Biotherapeutics position as of Q4 2023 after selling out during the quarter.
  • SEI Investments sold 1,288 Atara Biotherapeutics shares in Q4 2023, an estimated $47.7K.
  • SEI Investments first reported a position in Atara Biotherapeutics in Q3 2015 and held it in 6 quarters.
  • SEI Investments's Atara Biotherapeutics position peaked at $226K in Q3 2015.
  • 90 funds tracked by Wall St. Rank held Atara Biotherapeutics as of Q4 2023.

Based on SEI Investments's 13F filing for Q4 2023, filed 14 Feb 2024.