CC
SEPN

Casdin Capital’s Septerna Inc SEPN Stock Holding History

Casdin Capital’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
Q2 		$18.5M Hold
553,268
– – 0.93% 21
2026
Q1 		$13.3M Hold
553,268
– – 1.01% 21
2025
Q4 		$15.4M Hold
553,268
– – 0.96% 19
2025
Q3 		$10.4M Hold
553,268
– – 0.87% 18
2025
Q2 		$5.85M Hold
553,268
– – 0.53% 21
2025
Q1 		$3.2M Hold
553,268
– – 0.26% 31
2024
Q4 		$12.7M Buy
+553,268
New +$13.1M 0.84% 19

Other funds holding SEPN

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
TGV
TRV GP V Boston, Massachusetts $498M AUM 267.53% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
TGV
TRV GP VI Boston, Massachusetts $232M AUM 247.08% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM

Casdin Capital's SEPN Position: Q2 2026 in Review

Casdin Capital held its Septerna Inc (SEPN) position steady in Q2 2026 at 553,268 shares worth $18.5M. The position accounts for 0.93% of the portfolio, ranked #21.

Casdin Capital first reported a position in SEPN in Q4 2024 and has held it in 7 quarters since. 153 funds tracked by Wall St. Rank hold SEPN as of Q2 2026.

  • Casdin Capital held 553,268 shares of Septerna Inc worth $18.5M as of Q2 2026.
  • Casdin Capital left its Septerna Inc share count unchanged in Q2 2026.
  • Septerna Inc made up 0.93% of Casdin Capital's portfolio in Q2 2026, its #21 holding.
  • Casdin Capital first reported a position in Septerna Inc in Q4 2024 and has held it in 7 quarters since.
  • 153 funds tracked by Wall St. Rank held Septerna Inc as of Q2 2026.

Based on Casdin Capital's 13F filing for Q2 2026, filed 14 Aug 2026.