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Palo Alto Investors’s Gossamer Bio GOSS Stock Holding History

Palo Alto Investors’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
Q1 		– Sell
-55,895
Closed -$13.9M – 54
2025
Q4 		$13.9M Sell
55,895
-12,409
-18% -$2.83M 1.93% 14
2025
Q3 		$14.4M Sell
68,304
-3,434
-5% -$606K 2.66% 14
2025
Q2 		$7.06M Sell
71,738
-6,723
-9% -$587K 1.5% 16
2025
Q1 		$6.9M Sell
78,461
-3
-0% -$277 1.31% 18
2024
Q4 		$5.68M Hold
78,464
– – 0.88% 18
2024
Q3 		$6.19M Hold
78,464
– – 0.8% 22
2024
Q2 		$5.66M Sell
78,464
-1,433
-2% -$85.8K 0.66% 23
2024
Q1 		$7.54M Buy
79,897
+5,411
+7% +$476K 0.85% 25
2023
Q4 		$6.53M Sell
74,486
-7,143
-9% -$422K 0.59% 23
2023
Q3 		$5.44M Buy
81,629
+38,315
+88% +$3.53M 0.51% 20
2023
Q2 		$4.16M Hold
43,314
– – 0.34% 20
2023
Q1 		$4.37M Buy
43,314
+42,842
+9,077% +$6.56M 0.36% 18
2022
Q4 		$81.9K Sell
472
-21,411
-98% -$14.1M 0.01% 29
2022
Q3 		$21M Hold
21,883
– – 1.66% 14
2022
Q2 		$14.7M Sell
21,883
-76
-0.3% -$47.1K 1.28% 16
2022
Q1 		$15.2M Sell
21,959
-203
-0.9% -$157K 1.18% 17
2021
Q4 		$20.1M Hold
22,162
– – 1.28% 17
2021
Q3 		$22.3M Hold
22,162
– – 1.35% 18
2021
Q2 		$14.4M Hold
22,162
– – 0.79% 20
2021
Q1 		$16.4M Buy
22,162
+424
+2% +$342K 0.93% 20
2020
Q4 		$16.8M Buy
21,738
+8,273
+61% +$6.52M 0.88% 19
2020
Q3 		$13.4M Buy
13,465
+10,912
+427% +$11.6M 0.73% 20
2020
Q2 		$2.65M Buy
+2,553
New +$2.57M 0.16% 27

Other funds holding GOSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AVM
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Palo Alto Investors's GOSS Position: Q1 2026 in Review

Palo Alto Investors sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 55,895 shares — an estimated $13.9M sold.

Palo Alto Investors first reported a position in GOSS in Q2 2020 and held it in 23 quarters. The position peaked at $22.3M in Q3 2021. 181 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Palo Alto Investors reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Palo Alto Investors sold 55,895 Gossamer Bio shares in Q1 2026, an estimated $13.9M.
  • Palo Alto Investors first reported a position in Gossamer Bio in Q2 2020 and held it in 23 quarters.
  • Palo Alto Investors's Gossamer Bio position peaked at $22.3M in Q3 2021.
  • 181 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Palo Alto Investors's 13F filing for Q1 2026, filed 15 May 2026.