California State Teachers Retirement System (CalSTRS)
SEPN

California State Teachers Retirement System (CalSTRS)’s Septerna Inc SEPN Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio SEPN Stock Details SEPN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$27.8K Sell
1,157
-159
-12% -$4.18K ﹤0.01% 2327
2025
Q4 		$36.7K Sell
1,316
-55
-4% -$1.31K ﹤0.01% 2341
2025
Q3 		$25.8K Buy
1,371
+1
+0.1% +$13 ﹤0.01% 2450
2025
Q2 		$14.5K Sell
1,370
-42,992
-97% -$354K ﹤0.01% 2604
2025
Q1 		$257K Buy
44,362
+42,992
+3,138% +$491K ﹤0.01% 2261
2024
Q4 		$31.4K Buy
+1,370
New +$32.4K ﹤0.01% 2472

Other funds holding SEPN

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
TGV
TRV GP V Boston, Massachusetts $401M AUM 284.76% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
TGV
TRV GP VI Boston, Massachusetts $136M AUM 328.39% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s SEPN Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Septerna Inc (SEPN) stake by 12% in Q1 2026, selling an estimated $4.18K and leaving 1,157 shares worth $27.8K. The position accounts for ﹤0.01% of the portfolio, ranked #2327.

California State Teachers Retirement System (CalSTRS) first reported a position in SEPN in Q4 2024 and has held it in 6 quarters since. The position peaked at $257K in Q1 2025. 124 funds tracked by Wall St. Rank hold SEPN as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 1,157 shares of Septerna Inc worth $27.8K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 159 Septerna Inc shares in Q1 2026, an estimated $4.18K.
  • Septerna Inc made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2327 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Septerna Inc in Q4 2024 and has held it in 6 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Septerna Inc position peaked at $257K in Q1 2025.
  • 124 funds tracked by Wall St. Rank held Septerna Inc as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.