SIG Brokerage’s Avantor AVTR Stock Holding History

SIG Brokerage’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	–	Sell	-10,000	Closed	-$78.4K	–	930
2026 Q1	$78.4K	Buy	+10,000	New	+$98.4K	﹤0.01%	742
2025 Q4	–	Sell	-20,000	Closed	-$250K	–	676
2025 Q3	$250K	Buy	20,000 +10,000	+100%	+$129K	0.01%	641
2025 Q2	$135K	Sell	10,000 -10,000	-50%	-$137K	﹤0.01%	639
2025 Q1	$324K	Buy	+20,000	New	+$379K	0.02%	426

Other funds holding AVTR

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

NMC

New Mountain Capital New York $139M AUM 26.45% 1-Year Est. Return

SIG Brokerage's AVTR Position: Q2 2026 in Review

SIG Brokerage sold out of Avantor (AVTR) in Q2 2026, closing a stake of 13,777 shares — an estimated $108K sold.

SIG Brokerage first reported a position in AVTR in Q3 2025 and held it in 2 quarters. The position peaked at $270K in Q3 2025. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

SIG Brokerage reported no remaining Avantor position as of Q2 2026 after selling out during the quarter.
SIG Brokerage sold 13,777 Avantor shares in Q2 2026, an estimated $108K.
SIG Brokerage first reported a position in Avantor in Q3 2025 and held it in 2 quarters.
SIG Brokerage's Avantor position peaked at $270K in Q3 2025.
460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on SIG Brokerage's 13F filing for Q2 2026, filed 14 Aug 2026.