BFM
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Boothbay Fund Management’s Avantor AVTR Stock Holding History

Boothbay Fund 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
Q1 		$226K Buy
28,877
+2,207
+8% +$21.7K ﹤0.01% 1742
2025
Q4 		$306K Buy
+26,670
New +$328K ﹤0.01% 1417
2025
Q3 		– Sell
-15,077
Closed -$203K – 1871
2025
Q2 		$203K Buy
+15,077
New +$206K ﹤0.01% 1249
2025
Q1 		– Sell
-11,225
Closed -$237K – 1403
2024
Q4 		$237K Sell
11,225
-15,054
-57% -$339K 0.01% 1152
2024
Q3 		$680K Buy
26,279
+33
+0.1% +$810 0.02% 886
2024
Q2 		$556K Sell
26,246
-173,997
-87% -$4.19M 0.01% 959
2024
Q1 		$5.12M Buy
200,243
+183,549
+1,099% +$4.37M 0.1% 220
2023
Q4 		$381K Buy
+16,694
New +$342K 0.01% 1098
2023
Q3 		– Sell
-13,097
Closed -$269K – 1722
2023
Q2 		$269K Sell
13,097
-48,634
-79% -$983K 0.01% 1358
2023
Q1 		$1.3M Sell
61,731
-289,027
-82% -$6.59M 0.03% 882
2022
Q4 		$7.4M Sell
350,758
-44,343
-11% -$918K 0.17% 116
2022
Q3 		$7.74M Sell
395,101
-11,126
-3% -$298K 0.19% 80
2022
Q2 		$12.6M Buy
406,227
+132,449
+48% +$4.13M 0.33% 28
2022
Q1 		$9.26M Buy
273,778
+97,755
+56% +$3.49M 0.22% 81
2021
Q4 		$7.42M Buy
176,023
+42,394
+32% +$1.67M 0.17% 123
2021
Q3 		$5.46M Sell
133,629
-15,688
-11% -$613K 0.15% 141
2021
Q2 		$5.3M Sell
149,317
-69,830
-32% -$2.26M 0.17% 132
2021
Q1 		$6.34M Buy
219,147
+152,192
+227% +$4.39M 0.24% 74
2020
Q4 		$1.89M Buy
66,955
+11,847
+21% +$305K 0.07% 280
2020
Q3 		$1.24M Buy
+55,108
New +$1.15M 0.08% 365
2020
Q2 		– Sell
-22,303
Closed -$279K – 963
2020
Q1 		$279K Sell
22,303
-5,399
-19% -$86.6K 0.02% 581
2019
Q4 		$503K Sell
27,702
-15,071
-35% -$240K 0.04% 487
2019
Q3 		$629K Buy
+42,773
New +$725K 0.06% 411

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

Boothbay Fund Management's AVTR Position: Q1 2026 in Review

Boothbay Fund Management increased its Avantor (AVTR) stake by 8.3% in Q1 2026, buying an estimated $21.7K and bringing the position to 28,877 shares worth $226K. The position accounts for ﹤0.01% of the portfolio, ranked #1742.

Boothbay Fund Management first reported a position in AVTR in Q3 2019 and has held it in 23 quarters since. The position peaked at $12.6M in Q2 2022. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • Boothbay Fund Management held 28,877 shares of Avantor worth $226K as of Q1 2026.
  • Boothbay Fund Management bought 2,207 Avantor shares in Q1 2026, an estimated $21.7K.
  • Avantor made up ﹤0.01% of Boothbay Fund Management's portfolio in Q1 2026, its #1742 holding.
  • Boothbay Fund Management first reported a position in Avantor in Q3 2019 and has held it in 23 quarters since.
  • Boothbay Fund Management's Avantor position peaked at $12.6M in Q2 2022.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on Boothbay Fund Management's 13F filing for Q1 2026, filed 15 May 2026.