Citadel Advisors
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Citadel Advisors’s Oscar Health OSCR Stock Holding History

Citadel Advisors’s Portfolio OSCR Stock Details OSCR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$24.9M Sell
2,171,800
-645,700
-23% -$9.1M ﹤0.01% 2061
2025
Q4 		$40.5M Sell
2,817,500
-599,700
-18% -$10.4M 0.01% 1614
2025
Q3 		$64.7M Buy
3,417,200
+1,372,800
+67% +$22.6M 0.01% 1157
2025
Q2 		$43.8M Buy
2,044,400
+1,807,700
+764% +$26.9M 0.01% 1337
2025
Q1 		$3.1M Sell
236,700
-1,173,900
-83% -$17.4M ﹤0.01% 4706
2024
Q4 		$19M Buy
1,410,600
+1,204,500
+584% +$19.4M ﹤0.01% 2211
2024
Q3 		$4.37M Sell
206,100
-78,000
-27% -$1.4M ﹤0.01% 4167
2024
Q2 		$4.49M Sell
284,100
-10,100
-3% -$186K ﹤0.01% 3920
2024
Q1 		$4.37M Buy
294,200
+249,600
+560% +$3.42M ﹤0.01% 4146
2023
Q4 		$408K Sell
44,600
-55,400
-55% -$382K ﹤0.01% 8525
2023
Q3 		$557K Buy
100,000
+25,400
+34% +$178K ﹤0.01% 7826
2023
Q2 		$601K Buy
74,600
+70,100
+1,558% +$517K ﹤0.01% 7533
2023
Q1 		$29.4K Sell
4,500
-35,100
-89% -$143K ﹤0.01% 12756
2022
Q4 		$97.4K Sell
39,600
-49,500
-56% -$155K ﹤0.01% 11256
2022
Q3 		$445K Sell
89,100
-22,800
-20% -$133K ﹤0.01% 8721
2022
Q2 		$476K Buy
111,900
+7,200
+7% +$45.8K ﹤0.01% 8754
2022
Q1 		$1.04M Sell
104,700
-215,200
-67% -$1.6M ﹤0.01% 7587
2021
Q4 		$2.51M Buy
319,900
+5,400
+2% +$67.8K ﹤0.01% 5719
2021
Q3 		$5.47M Buy
314,500
+268,500
+584% +$4.55M ﹤0.01% 4139
2021
Q2 		$989K Buy
46,000
+7,900
+21% +$189K ﹤0.01% 8398
2021
Q1 		$1.02M Buy
+38,100
New +$1.19M ﹤0.01% 8048

Other funds holding OSCR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
TCMNY
Thrive Capital Management (New York) New York $344M AUM 25.6% 1-Year Est. Return
BC
BIT Capital Berlin, Germany $2.07B AUM 157.17% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Citadel Advisors's OSCR Position: Q1 2026 in Review

Citadel Advisors increased its Oscar Health (OSCR) stake by 34% in Q1 2026, buying an estimated $12.5M and bringing the position to 3,466,362 shares worth $39.8M. The position accounts for 0.01% of the portfolio, ranked #1572.

Citadel Advisors first reported a position in OSCR in Q2 2021 and has held it in 20 quarters since. The position peaked at $94.8M in Q3 2024. 331 funds tracked by Wall St. Rank hold OSCR as of Q1 2026.

  • Citadel Advisors held 3,466,362 shares of Oscar Health worth $39.8M as of Q1 2026.
  • Citadel Advisors bought 888,339 Oscar Health shares in Q1 2026, an estimated $12.5M.
  • Oscar Health made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1572 holding.
  • Citadel Advisors first reported a position in Oscar Health in Q2 2021 and has held it in 20 quarters since.
  • Citadel Advisors's Oscar Health position peaked at $94.8M in Q3 2024.
  • 331 funds tracked by Wall St. Rank held Oscar Health as of Q1 2026.

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