Citigroup
SEPN

Citigroup’s Septerna Inc SEPN Stock Holding History

Citigroup’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 		$221K Sell
9,195
-366
-4% -$9.62K ﹤0.01% 3966
2025
Q4 		$267K Buy
9,561
+9,312
+3,740% +$222K ﹤0.01% 3862
2025
Q3 		$4.68K Sell
249
-6,924
-97% -$90.9K ﹤0.01% 5248
2025
Q2 		$75.8K Sell
7,173
-30,882
-81% -$254K ﹤0.01% 4557
2025
Q1 		$220K Buy
38,055
+23,422
+160% +$267K ﹤0.01% 4148
2024
Q4 		$335K Buy
+14,633
New +$346K ﹤0.01% 4086

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

Citigroup's SEPN Position: Q1 2026 in Review

Citigroup reduced its Septerna Inc (SEPN) stake by 3.8% in Q1 2026, selling an estimated $9.62K and leaving 9,195 shares worth $221K. The position accounts for ﹤0.01% of the portfolio, ranked #3966.

Citigroup first reported a position in SEPN in Q4 2024 and has held it in 6 quarters since. The position peaked at $335K in Q4 2024. 124 funds tracked by Wall St. Rank hold SEPN as of Q1 2026.

  • Citigroup held 9,195 shares of Septerna Inc worth $221K as of Q1 2026.
  • Citigroup sold 366 Septerna Inc shares in Q1 2026, an estimated $9.62K.
  • Septerna Inc made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #3966 holding.
  • Citigroup first reported a position in Septerna Inc in Q4 2024 and has held it in 6 quarters since.
  • Citigroup's Septerna Inc position peaked at $335K in Q4 2024.
  • 124 funds tracked by Wall St. Rank held Septerna Inc as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.