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Dark Forest Capital Management’s Avantor AVTR Stock Holding History

Dark Forest Capital Management’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
Q2 		$1.29M Buy
130,438
+19,590
+18% +$169K 0.08% 428
2026
Q1 		$869K Buy
+110,848
New +$1.09M 0.08% 409
2024
Q3 		– Sell
-474,414
Closed -$10.1M – 964
2024
Q2 		$10.1M Buy
+474,414
New +$11.4M 1.84% 4
2024
Q1 		– Sell
-54,517
Closed -$1.24M – 689
2023
Q4 		$1.24M Buy
+54,517
New +$1.12M 0.19% 92
2023
Q3 		– Sell
-34,869
Closed -$716K – 1083
2023
Q2 		$716K Buy
34,869
+26,940
+340% +$545K 0.07% 458
2023
Q1 		$168K Buy
7,929
+7,875
+14,583% +$179K 0.04% 471
2022
Q4 		$1.14K Buy
+54
New +$1.12K ﹤0.01% 980
2022
Q3 		– Sell
-1,346
Closed -$42K – 1136
2022
Q2 		$42K Buy
1,346
+838
+165% +$26.2K 0.01% 423
2022
Q1 		$17K Buy
508
+386
+316% +$13.8K ﹤0.01% 824
2021
Q4 		$5K Sell
122
-4,878
-98% -$192K ﹤0.01% 1139
2021
Q3 		$205K Buy
5,000
+4,924
+6,479% +$192K 0.07% 230
2021
Q2 		$3K Buy
+76
New +$2.46K ﹤0.01% 733

Other funds holding AVTR

Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
ECM
Engine Capital Management New York $1.03B AUM 4.33% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
NMC
New Mountain Capital New York $139M AUM 26.45% 1-Year Est. Return

Dark Forest Capital Management's AVTR Position: Q2 2026 in Review

Dark Forest Capital Management increased its Avantor (AVTR) stake by 18% in Q2 2026, buying an estimated $169K and bringing the position to 130,438 shares worth $1.29M. The position accounts for 0.08% of the portfolio, ranked #428.

Dark Forest Capital Management first reported a position in AVTR in Q2 2021 and has held it in 12 quarters since. The position peaked at $10.1M in Q2 2024. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Dark Forest Capital Management held 130,438 shares of Avantor worth $1.29M as of Q2 2026.
  • Dark Forest Capital Management bought 19,590 Avantor shares in Q2 2026, an estimated $169K.
  • Avantor made up 0.08% of Dark Forest Capital Management's portfolio in Q2 2026, its #428 holding.
  • Dark Forest Capital Management first reported a position in Avantor in Q2 2021 and has held it in 12 quarters since.
  • Dark Forest Capital Management's Avantor position peaked at $10.1M in Q2 2024.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Dark Forest Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.