Jim Simons
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Jim Simons’s Avantor AVTR Stock Holding History

Jim Simons’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
2025
Q4 		– Sell
-1,651,100
Closed -$20.6M – 3235
2025
Q3 		$20.6M Buy
1,651,100
+416,200
+34% +$5.36M 0.03% 710
2025
Q2 		$16.6M Buy
+1,234,900
New +$16.9M 0.02% 794
2025
Q1 		– Sell
-325,500
Closed -$6.86M – 3451
2024
Q4 		$6.86M Buy
+325,500
New +$7.32M 0.01% 1242
2023
Q1 		– Sell
-2,083,600
Closed -$43.9M – 3965
2022
Q4 		$43.9M Sell
2,083,600
-2,870,700
-58% -$59.4M 0.06% 380
2022
Q3 		$97.1M Buy
4,954,300
+4,905,100
+9,970% +$131M 0.14% 161
2022
Q2 		$1.53M Buy
+49,200
New +$1.54M ﹤0.01% 2388
2021
Q2 		– Sell
-497,549
Closed -$14.4M – 3444
2021
Q1 		$14.4M Sell
497,549
-713,926
-59% -$20.6M 0.02% 971
2020
Q4 		$34.1M Sell
1,211,475
-1,624,325
-57% -$41.9M 0.04% 498
2020
Q3 		$63.8M Buy
2,835,800
+970,600
+52% +$20.2M 0.06% 319
2020
Q2 		$31.7M Buy
+1,865,200
New +$30.4M 0.03% 581

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
GA
Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Jim Simons's AVTR Position: Q4 2025 in Review

Jim Simons sold out of Avantor (AVTR) in Q4 2025, closing a stake of 1,651,100 shares — an estimated $20.6M sold.

Jim Simons first reported a position in AVTR in Q2 2020 and held it in 10 quarters. The position peaked at $97.1M in Q3 2022. 420 funds tracked by Wall St. Rank hold AVTR as of Q4 2025.

  • Jim Simons reported no remaining Avantor position as of Q4 2025 after selling out during the quarter.
  • Jim Simons sold 1,651,100 Avantor shares in Q4 2025, an estimated $20.6M.
  • Jim Simons first reported a position in Avantor in Q2 2020 and held it in 10 quarters.
  • Jim Simons's Avantor position peaked at $97.1M in Q3 2022.
  • 420 funds tracked by Wall St. Rank held Avantor as of Q4 2025.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.