Citadel Advisors
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Citadel Advisors’s Oculis Holding OCS Stock Holding History

Citadel Advisors’s Portfolio OCS Stock Details OCS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.29M Sell
161,284
-4,203
-3% -$111K ﹤0.01% 4591
2025
Q4 		$3.3M Buy
+165,487
New +$3.31M ﹤0.01% 4984
2025
Q1 		– Sell
-22,911
Closed -$389K – 15268
2024
Q4 		$389K Buy
+22,911
New +$361K ﹤0.01% 9111

Other funds holding OCS

EFM
EQT Fund Management Luxembourg $1.02B AUM
GL
Gildi lifeyrissjodur Reykjavik $197M AUM
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
PBPIA
Pivotal bioVenture Partners Investment Advisor San Francisco, California $280M AUM 181.4% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
SOCM
SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $552M AUM 551.78% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

Citadel Advisors's OCS Position: Q1 2026 in Review

Citadel Advisors reduced its Oculis Holding (OCS) stake by 2.5% in Q1 2026, selling an estimated $111K and leaving 161,284 shares worth $4.29M. The position accounts for ﹤0.01% of the portfolio, ranked #4591.

Citadel Advisors first reported a position in OCS in Q4 2024 and has held it in 3 quarters since. 57 funds tracked by Wall St. Rank hold OCS as of Q1 2026.

  • Citadel Advisors held 161,284 shares of Oculis Holding worth $4.29M as of Q1 2026.
  • Citadel Advisors sold 4,203 Oculis Holding shares in Q1 2026, an estimated $111K.
  • Oculis Holding made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4591 holding.
  • Citadel Advisors first reported a position in Oculis Holding in Q4 2024 and has held it in 3 quarters since.
  • 57 funds tracked by Wall St. Rank held Oculis Holding as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.