Citadel Advisors
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Citadel Advisors’s Avantor AVTR Stock Holding History

Citadel Advisors’s Portfolio AVTR Stock Details AVTR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$236K Sell
30,100
-3,900
-11% -$38.4K ﹤0.01% 11052
2025
Q4 		$390K Sell
34,000
-30,800
-48% -$379K ﹤0.01% 9595
2025
Q3 		$809K Sell
64,800
-402,500
-86% -$5.19M ﹤0.01% 8008
2025
Q2 		$6.29M Sell
467,300
-10,300
-2% -$141K ﹤0.01% 3731
2025
Q1 		$7.74M Buy
477,600
+249,600
+109% +$4.73M ﹤0.01% 3214
2024
Q4 		$4.8M Buy
228,000
+40,300
+21% +$906K ﹤0.01% 4032
2024
Q3 		$4.86M Buy
187,700
+7,300
+4% +$179K ﹤0.01% 3990
2024
Q2 		$3.82M Buy
180,400
+83,500
+86% +$2.01M ﹤0.01% 4176
2024
Q1 		$2.48M Sell
96,900
-112,300
-54% -$2.67M ﹤0.01% 5103
2023
Q4 		$4.78M Buy
209,200
+91,900
+78% +$1.88M ﹤0.01% 3863
2023
Q3 		$2.47M Sell
117,300
-178,000
-60% -$3.79M ﹤0.01% 4838
2023
Q2 		$6.07M Sell
295,300
-45,400
-13% -$918K ﹤0.01% 3342
2023
Q1 		$7.2M Buy
340,700
+265,300
+352% +$6.05M ﹤0.01% 3248
2022
Q4 		$1.59M Sell
75,400
-566,900
-88% -$11.7M ﹤0.01% 5918
2022
Q3 		$12.6M Buy
642,300
+530,200
+473% +$14.2M ﹤0.01% 2434
2022
Q2 		$3.49M Sell
112,100
-39,400
-26% -$1.23M ﹤0.01% 4484
2022
Q1 		$5.12M Sell
151,500
-81,700
-35% -$2.91M ﹤0.01% 4122
2021
Q4 		$9.83M Sell
233,200
-201,000
-46% -$7.92M ﹤0.01% 3105
2021
Q3 		$17.8M Buy
434,200
+350,100
+416% +$13.7M ﹤0.01% 2185
2021
Q2 		$2.99M Sell
84,100
-146,800
-64% -$4.75M ﹤0.01% 5620
2021
Q1 		$6.68M Sell
230,900
-42,200
-15% -$1.22M ﹤0.01% 3678
2020
Q4 		$7.69M Buy
273,100
+229,100
+521% +$5.9M ﹤0.01% 3005
2020
Q3 		$990K Sell
44,000
-41,800
-49% -$869K ﹤0.01% 6050
2020
Q2 		$1.46M Buy
+85,800
New +$1.4M ﹤0.01% 5124
2019
Q4 		– Sell
-17,000
Closed -$250K – 9088
2019
Q3 		$250K Buy
+17,000
New +$288K ﹤0.01% 7836

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $6.07B AUM 11.2% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ECM
Engine Capital Management New York $828M AUM 6.49% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Citadel Advisors's AVTR Position: Q1 2026 in Review

Citadel Advisors reduced its Avantor (AVTR) stake by 54% in Q1 2026, selling an estimated $6.64M and leaving 569,511 shares worth $4.46M. The position accounts for ﹤0.01% of the portfolio, ranked #4531.

Citadel Advisors first reported a position in AVTR in Q2 2019 and has held it in 27 quarters since. The position peaked at $191M in Q4 2020. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Citadel Advisors held 569,511 shares of Avantor worth $4.46M as of Q1 2026.
  • Citadel Advisors sold 674,445 Avantor shares in Q1 2026, an estimated $6.64M.
  • Avantor made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4531 holding.
  • Citadel Advisors first reported a position in Avantor in Q2 2019 and has held it in 27 quarters since.
  • Citadel Advisors's Avantor position peaked at $191M in Q4 2020.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

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