BlackRock
GOSS icon

BlackRock’s Gossamer Bio GOSS Stock Holding History

BlackRock’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 		$1.26M Sell
7,669,943
-9,156,752
-54% -$2.56M ﹤0.01% 4285
2026
Q1 		$5.53M Sell
16,826,695
-230,183
-1% -$362K ﹤0.01% 3788
2025
Q4 		$52.9M Buy
17,056,878
+3,210,824
+23% +$9.16M ﹤0.01% 2477
2025
Q3 		$36.4M Buy
13,846,054
+1,703,458
+14% +$3.75M ﹤0.01% 2714
2025
Q2 		$14.9M Buy
12,142,596
+9,069,823
+295% +$9.89M ﹤0.01% 3184
2025
Q1 		$3.38M Buy
3,072,773
+43,564
+1% +$50.4K ﹤0.01% 3801
2024
Q4 		$2.74M Buy
3,029,209
+223,567
+8% +$192K ﹤0.01% 3947
2024
Q3 		$2.77M Sell
2,805,642
-5,865
-0.2% -$5.64K ﹤0.01% 3901
2024
Q2 		$2.53M Sell
2,811,507
-277,819
-9% -$208K ﹤0.01% 3900
2024
Q1 		$3.65M Sell
3,089,326
-289,320
-9% -$318K ﹤0.01% 3804
2023
Q4 		$3.08M Sell
3,378,646
-1,088,007
-24% -$804K ﹤0.01% 3879
2023
Q3 		$3.72M Buy
4,466,653
+2,554,648
+134% +$2.94M ﹤0.01% 3784
2023
Q2 		$2.29M Sell
1,912,005
-2,881,674
-60% -$3.59M ﹤0.01% 3999
2023
Q1 		$6.04M Sell
4,793,679
-619,344
-11% -$1.19M ﹤0.01% 3552
2022
Q4 		$11.7M Sell
5,413,023
-95,154
-2% -$783K ﹤0.01% 3322
2022
Q3 		$66M Buy
5,508,177
+342,213
+7% +$4.25M ﹤0.01% 2245
2022
Q2 		$43.2M Sell
5,165,964
-163,167
-3% -$1.26M ﹤0.01% 2584
2022
Q1 		$46.3M Sell
5,329,131
-100,555
-2% -$970K ﹤0.01% 2638
2021
Q4 		$61.4M Buy
5,429,686
+66,816
+1% +$794K ﹤0.01% 2520
2021
Q3 		$67.4M Sell
5,362,870
-52,935
-1% -$487K ﹤0.01% 2462
2021
Q2 		$44M Buy
5,415,805
+50,456
+0.9% +$437K ﹤0.01% 2788
2021
Q1 		$49.6M Buy
5,365,349
+663,314
+14% +$6.69M ﹤0.01% 2615
2020
Q4 		$45.5M Buy
4,702,035
+62,411
+1% +$615K ﹤0.01% 2535
2020
Q3 		$57.6M Buy
4,639,624
+344,508
+8% +$4.57M ﹤0.01% 2207
2020
Q2 		$55.8M Buy
4,295,116
+788,180
+22% +$9.91M ﹤0.01% 2185
2020
Q1 		$35.6M Sell
3,506,936
-39,584
-1% -$517K ﹤0.01% 2276
2019
Q4 		$55.4M Buy
3,546,520
+743,721
+27% +$15M ﹤0.01% 2302
2019
Q3 		$47.1M Buy
2,802,799
+1,507,575
+116% +$30M ﹤0.01% 2324
2019
Q2 		$28.7M Buy
1,295,224
+500,944
+63% +$9.58M ﹤0.01% 2644
2019
Q1 		$17.2M Buy
+794,280
New +$16.6M ﹤0.01% 2824

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

BlackRock's GOSS Position: Q2 2026 in Review

BlackRock reduced its Gossamer Bio (GOSS) stake by 54% in Q2 2026, selling an estimated $2.56M and leaving 7,669,943 shares worth $1.26M. The position accounts for ﹤0.01% of the portfolio, ranked #4285.

BlackRock first reported a position in GOSS in Q1 2019 and has held it in 30 quarters since. The position peaked at $67.4M in Q3 2021. 170 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • BlackRock held 7,669,943 shares of Gossamer Bio worth $1.26M as of Q2 2026.
  • BlackRock sold 9,156,752 Gossamer Bio shares in Q2 2026, an estimated $2.56M.
  • Gossamer Bio made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #4285 holding.
  • BlackRock first reported a position in Gossamer Bio in Q1 2019 and has held it in 30 quarters since.
  • BlackRock's Gossamer Bio position peaked at $67.4M in Q3 2021.
  • 170 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.