California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Gossamer Bio GOSS Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		– Sell
-130
Closed -$3.42K – 3042
2026
Q1 		$3.42K Sell
130
-18
-12% -$2.26K ﹤0.01% 2887
2025
Q4 		$36.7K Hold
148
– – ﹤0.01% 2342
2025
Q3 		$31.2K Hold
148
– – ﹤0.01% 2403
2025
Q2 		$14.6K Buy
+148
New +$12.9K ﹤0.01% 2599
2023
Q2 		– Sell
-293
Closed -$29.5K – 3146
2023
Q1 		$29.5K Sell
293
-582
-67% -$89.1K ﹤0.01% 2929
2022
Q4 		$152K Buy
875
+9
+1% +$5.93K ﹤0.01% 2660
2022
Q3 		$830K Buy
866
+36
+4% +$35.7K ﹤0.01% 2019
2022
Q2 		$556K Sell
830
-36
-4% -$22.3K ﹤0.01% 2337
2022
Q1 		$601K Sell
866
-82
-9% -$63.3K ﹤0.01% 2318
2021
Q4 		$857K Buy
948
+22
+2% +$20.9K ﹤0.01% 2256
2021
Q3 		$931K Sell
926
-147
-14% -$108K ﹤0.01% 2185
2021
Q2 		$697K Buy
1,073
+5
+0.5% +$3.47K ﹤0.01% 2443
2021
Q1 		$790K Sell
1,068
-4
-0.4% -$3.23K ﹤0.01% 2285
2020
Q4 		$829K Hold
1,072
– – ﹤0.01% 2155
2020
Q3 		$1.06M Buy
1,072
+138
+15% +$146K ﹤0.01% 1828
2020
Q2 		$972K Buy
934
+110
+13% +$111K ﹤0.01% 1870
2020
Q1 		$669K Buy
824
+10
+1% +$10.4K ﹤0.01% 1907
2019
Q4 		$1.02M Sell
814
-21
-3% -$33.8K ﹤0.01% 1957
2019
Q3 		$1.12M Buy
835
+450
+117% +$716K ﹤0.01% 1868
2019
Q2 		$683K Buy
385
+170
+79% +$260K ﹤0.01% 2189
2019
Q1 		$373K Buy
+215
New +$359K ﹤0.01% 2462

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

California State Teachers Retirement System (CalSTRS)'s GOSS Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) sold out of Gossamer Bio (GOSS) in Q2 2026, closing a stake of 130 shares — an estimated $3.42K sold.

California State Teachers Retirement System (CalSTRS) first reported a position in GOSS in Q1 2019 and held it in 21 quarters. The position peaked at $1.12M in Q3 2019. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) reported no remaining Gossamer Bio position as of Q2 2026 after selling out during the quarter.
  • California State Teachers Retirement System (CalSTRS) sold 130 Gossamer Bio shares in Q2 2026, an estimated $3.42K.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Gossamer Bio in Q1 2019 and held it in 21 quarters.
  • California State Teachers Retirement System (CalSTRS)'s Gossamer Bio position peaked at $1.12M in Q3 2019.
  • 166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.