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Siren LLC’s PepGen PEPG Stock Holding History

Siren LLC’s Portfolio PEPG Stock Details PEPG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-700,000
Closed -$4.56M – 118
2025
Q4 		$4.56M Hold
700,000
– – 0.14% 84
2025
Q3 		$3.23M Buy
+700,000
New +$1.13M 0.13% 80

Other funds holding PEPG

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
LCM
Laurion Capital Management New York $2.29B AUM 75.73% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return

Siren LLC's PEPG Position: Q1 2026 in Review

Siren LLC sold out of PepGen (PEPG) in Q1 2026, closing a stake of 700,000 shares — an estimated $4.56M sold.

Siren LLC first reported a position in PEPG in Q3 2025 and held it in 2 quarters. The position peaked at $4.56M in Q4 2025. 93 funds tracked by Wall St. Rank hold PEPG as of Q1 2026.

  • Siren LLC reported no remaining PepGen position as of Q1 2026 after selling out during the quarter.
  • Siren LLC sold 700,000 PepGen shares in Q1 2026, an estimated $4.56M.
  • Siren LLC first reported a position in PepGen in Q3 2025 and held it in 2 quarters.
  • Siren LLC's PepGen position peaked at $4.56M in Q4 2025.
  • 93 funds tracked by Wall St. Rank held PepGen as of Q1 2026.

Based on Siren LLC's 13F filing for Q1 2026, filed 14 May 2026.