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 		– Sell
-18,770
Closed -$76.9K – 13855
2025
Q4 		$69.6K Sell
18,770
-77,314
-80% -$663K ﹤0.01% 11869
2025
Q3 		$1.36M Buy
96,084
+75,762
+373% +$1.18M ﹤0.01% 6874
2025
Q2 		$390K Buy
20,322
+17,483
+616% +$273K ﹤0.01% 9198
2025
Q1 		$31.4K Buy
2,839
+2,644
+1,356% +$31.5K ﹤0.01% 12774
2024
Q4 		$3.24K Hold
195
– – ﹤0.01% 14014
2024
Q3 		$1.98K Sell
195
-19,372
-99% -$576K ﹤0.01% 13791
2024
Q2 		$1.13M Buy
19,567
+768
+4% +$37.6K ﹤0.01% 6346
2024
Q1 		$626K Sell
18,799
-10,390
-36% -$526K ﹤0.01% 7895
2023
Q4 		$2.37M Buy
29,189
+27,948
+2,252% +$2.27M ﹤0.01% 5074
2023
Q3 		$202K Sell
1,241
-904
-42% -$213K ﹤0.01% 9889
2023
Q2 		$704K Sell
2,145
-22,805
-91% -$6.96M ﹤0.01% 7189
2023
Q1 		$6.89M Buy
24,950
+11,967
+92% +$4.39M ﹤0.01% 3303
2022
Q4 		$5.03M Sell
12,983
-22,188
-63% -$6.26M ﹤0.01% 3850
2022
Q3 		$8.4M Sell
35,171
-18,562
-35% -$4.97M ﹤0.01% 3016
2022
Q2 		$12M Sell
53,733
-1,553
-3% -$668K ﹤0.01% 2450
2022
Q1 		$37.6M Buy
55,286
+1,869
+3% +$1.12M 0.01% 1338
2021
Q4 		$36.9M Sell
53,417
-14,519
-21% -$10.7M 0.01% 1427
2021
Q3 		$50.4M Buy
67,936
+23,766
+54% +$16.2M 0.01% 1114
2021
Q2 		$33.1M Buy
44,170
+27,527
+165% +$21M 0.01% 1510
2021
Q1 		$13.6M Buy
16,643
+9,497
+133% +$7.33M ﹤0.01% 2522
2020
Q4 		$6.09M Buy
7,146
+4,984
+231% +$3.84M ﹤0.01% 3352
2020
Q3 		$1.62M Buy
+2,162
New +$1.78M ﹤0.01% 5122

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.