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Tandem Capital Management’s Avantor AVTR Stock Holding History

Tandem 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
2025
Q4 		– Sell
-20,720
Closed -$259K – 118
2025
Q3 		$259K Sell
20,720
-3,372
-14% -$43.4K 0.12% 104
2025
Q2 		$324K Sell
24,092
-4,502
-16% -$61.6K 0.16% 97
2025
Q1 		$464K Sell
28,594
-8,068
-22% -$153K 0.26% 82
2024
Q4 		$772K Sell
36,662
-4,480
-11% -$101K 0.41% 62
2024
Q3 		$1.06M Sell
41,142
-5,310
-11% -$130K 0.56% 50
2024
Q2 		$977K Sell
46,452
-3,130
-6% -$75.4K 0.54% 52
2024
Q1 		$1.27M Buy
49,582
+250
+0.5% +$5.95K 0.72% 45
2023
Q4 		$1.13M Sell
49,332
-4,200
-8% -$86K 0.7% 47
2023
Q3 		$1.13M Buy
53,532
+200
+0.4% +$4.25K 0.78% 47
2023
Q2 		$1.1M Buy
53,332
+252
+0.5% +$5.09K 0.71% 50
2023
Q1 		$1.12M Sell
53,080
-490
-0.9% -$11.2K 0.79% 46
2022
Q4 		$1.13M Buy
53,570
+3,340
+7% +$69.2K 0.89% 45
2022
Q3 		$986K Buy
+50,230
New +$1.35M 0.83% 45

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 $5.72T AUM 30.48% 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 $6.07B AUM 11.2% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Tandem Capital Management's AVTR Position: Q4 2025 in Review

Tandem Capital Management sold out of Avantor (AVTR) in Q4 2025, closing a stake of 20,720 shares — an estimated $259K sold.

Tandem Capital Management first reported a position in AVTR in Q3 2022 and held it in 13 quarters. The position peaked at $1.27M in Q1 2024. 419 funds tracked by Wall St. Rank hold AVTR as of Q4 2025.

  • Tandem Capital Management reported no remaining Avantor position as of Q4 2025 after selling out during the quarter.
  • Tandem Capital Management sold 20,720 Avantor shares in Q4 2025, an estimated $259K.
  • Tandem Capital Management first reported a position in Avantor in Q3 2022 and held it in 13 quarters.
  • Tandem Capital Management's Avantor position peaked at $1.27M in Q1 2024.
  • 419 funds tracked by Wall St. Rank held Avantor as of Q4 2025.

Based on Tandem Capital Management's 13F filing for Q4 2025, filed 23 Jan 2026.