Acadian Asset Management
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Acadian Asset Management’s Gossamer Bio GOSS Stock Holding History

Acadian Asset Management’s Portfolio GOSS Stock Details GOSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$293K Sell
22,402
-43,572
-66% -$973K ﹤0.01% 1568
2026
Q1 		$1.73M Buy
65,974
+10,763
+19% +$1.35M ﹤0.01% 1001
2025
Q4 		$13.7M Sell
55,211
-7,451
-12% -$1.7M 0.02% 416
2025
Q3 		$13.2M Sell
62,662
-26,663
-30% -$4.7M 0.02% 414
2025
Q2 		$8.79M Buy
89,325
+9,849
+12% +$859K 0.02% 459
2025
Q1 		$6.99M Buy
79,476
+15,666
+25% +$1.45M 0.02% 402
2024
Q4 		$4.62M Buy
63,810
+14,457
+29% +$991K 0.01% 543
2024
Q3 		$3.89M Buy
49,353
+4,443
+10% +$342K 0.01% 564
2024
Q2 		$3.23M Buy
44,910
+10,705
+31% +$641K 0.01% 625
2024
Q1 		$3.23M Buy
34,205
+11,641
+52% +$1.03M 0.01% 562
2023
Q4 		$1.64M Buy
22,564
+3,381
+18% +$200K 0.01% 725
2023
Q3 		$1.28M Sell
19,183
-19,151
-50% -$1.77M 0.01% 804
2023
Q2 		$3.68M Buy
38,334
+10,667
+39% +$1.06M 0.02% 535
2023
Q1 		$2.79M Buy
27,667
+9,495
+52% +$1.45M 0.01% 622
2022
Q4 		$3.15M Buy
+18,172
New +$12M 0.02% 559

Other funds holding GOSS

D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
DIG
DeepCurrents Investment Group New York $3.3B AUM 12.57% 1-Year Est. Return
CCM
Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return
WVP
Worth Venture Partners Fort Lee, New Jersey $44.3M AUM 34.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM

Acadian Asset Management's GOSS Position: Q2 2026 in Review

Acadian Asset Management reduced its Gossamer Bio (GOSS) stake by 66% in Q2 2026, selling an estimated $973K and leaving 22,402 shares worth $293K. The position accounts for ﹤0.01% of the portfolio, ranked #1568.

Acadian Asset Management first reported a position in GOSS in Q4 2022 and has held it in 15 quarters since. The position peaked at $13.7M in Q4 2025. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • Acadian Asset Management held 22,402 shares of Gossamer Bio worth $293K as of Q2 2026.
  • Acadian Asset Management sold 43,572 Gossamer Bio shares in Q2 2026, an estimated $973K.
  • Gossamer Bio made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1568 holding.
  • Acadian Asset Management first reported a position in Gossamer Bio in Q4 2022 and has held it in 15 quarters since.
  • Acadian Asset Management's Gossamer Bio position peaked at $13.7M in Q4 2025.
  • 166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.