Group One Trading’s Septerna Inc SEPN Stock Holding History

Group One Trading’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
2025 Q4	–	Sell	-9,700	Closed	-$182K	–	9391
2025 Q3	$182K	Sell	9,700 -4,800	-33%	-$63K	﹤0.01%	4760
2025 Q2	$153K	Buy	+14,500	New	+$119K	﹤0.01%	4595

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

Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Group One Trading's SEPN Position: Q1 2026 in Review

Group One Trading sold out of Septerna Inc (SEPN) in Q1 2026, closing a stake of 944 shares — an estimated $26.3K sold.

Group One Trading first reported a position in SEPN in Q2 2025 and held it in 3 quarters. The position peaked at $31.8K in Q3 2025. 124 funds tracked by Wall St. Rank hold SEPN as of Q1 2026.

Group One Trading reported no remaining Septerna Inc position as of Q1 2026 after selling out during the quarter.
Group One Trading sold 944 Septerna Inc shares in Q1 2026, an estimated $26.3K.
Group One Trading first reported a position in Septerna Inc in Q2 2025 and held it in 3 quarters.
Group One Trading's Septerna Inc position peaked at $31.8K in Q3 2025.
124 funds tracked by Wall St. Rank held Septerna Inc as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.