Citadel Advisors
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Citadel Advisors’s Outset Medical OM Stock Holding History

Citadel Advisors’s Portfolio OM Stock Details OM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$336K Buy
+87,500
New +$359K ﹤0.01% 10215
2025
Q2 		– Sell
-7,876
Closed -$87.1K – 14336
2025
Q1 		$87.1K Buy
7,876
+7,823
+14,760% +$93.3K ﹤0.01% 11661
2024
Q4 		$888 Sell
53
-3,027
-98% -$37.8K ﹤0.01% 14259
2024
Q3 		$31.3K Sell
3,080
-1,260
-29% -$37.5K ﹤0.01% 12398
2024
Q2 		$251K Buy
4,340
+113
+3% +$5.54K ﹤0.01% 9493
2024
Q1 		$141K Buy
4,227
+3,580
+553% +$181K ﹤0.01% 10862
2023
Q4 		$52.5K Sell
647
-820
-56% -$66.7K ﹤0.01% 11736
2023
Q3 		$239K Sell
1,467
-186
-11% -$43.9K ﹤0.01% 9577
2023
Q2 		$542K Buy
1,653
+1,366
+476% +$417K ﹤0.01% 7767
2023
Q1 		$79.1K Sell
287
-413
-59% -$152K ﹤0.01% 11572
2022
Q4 		$271K Buy
+700
New +$197K ﹤0.01% 9537
2022
Q2 		– Sell
-3,667
Closed -$2.5M – 13738
2022
Q1 		$2.5M Sell
3,667
-3,833
-51% -$2.31M ﹤0.01% 5604
2021
Q4 		$5.18M Buy
7,500
+6,440
+608% +$4.76M ﹤0.01% 4225
2021
Q3 		$786K Buy
+1,060
New +$722K ﹤0.01% 8748

Other funds holding OM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BCM
BML Capital Management Zionsville, Indiana $156M AUM 129.82% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PHS
PFM Health Sciences San Francisco, California $1.1B AUM 57.92% 1-Year Est. Return
Ensign Peak Advisors
Ensign Peak Advisors Salt Lake City, Utah $53.7B AUM 29.47% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Citadel Advisors's OM Position: Q1 2026 in Review

Citadel Advisors sold out of Outset Medical (OM) in Q1 2026, closing a stake of 18,770 shares — an estimated $76.9K sold.

Citadel Advisors first reported a position in OM in Q3 2020 and held it in 22 quarters. The position peaked at $50.4M in Q3 2021. 99 funds tracked by Wall St. Rank hold OM as of Q1 2026.

  • Citadel Advisors reported no remaining Outset Medical position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 18,770 Outset Medical shares in Q1 2026, an estimated $76.9K.
  • Citadel Advisors first reported a position in Outset Medical in Q3 2020 and held it in 22 quarters.
  • Citadel Advisors's Outset Medical position peaked at $50.4M in Q3 2021.
  • 99 funds tracked by Wall St. Rank held Outset Medical as of Q1 2026.

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