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
Q2 		$596K Buy
17,808
+8,613
+94% +$244K ﹤0.01% 3811
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 $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

Citigroup's SEPN Position: Q2 2026 in Review

Citigroup increased its Septerna Inc (SEPN) stake by 94% in Q2 2026, buying an estimated $244K and bringing the position to 17,808 shares worth $596K. The position accounts for ﹤0.01% of the portfolio, ranked #3811.

Citigroup 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.

  • Citigroup held 17,808 shares of Septerna Inc worth $596K as of Q2 2026.
  • Citigroup bought 8,613 Septerna Inc shares in Q2 2026, an estimated $244K.
  • Septerna Inc made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #3811 holding.
  • Citigroup 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 Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.