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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
Q1 		$108K Buy
+13,777
New +$136K ﹤0.01% 730
2025
Q4 		– Sell
-21,640
Closed -$270K – 675
2025
Q3 		$270K Buy
+21,640
New +$279K 0.01% 626

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

SIG Brokerage's AVTR Position: Q1 2026 in Review

SIG Brokerage opened a new position in Avantor (AVTR) in Q1 2026: 13,777 shares worth $108K. The stake represents ﹤0.01% of the portfolio and ranks #730 among its holdings. This is a return to the name: SIG Brokerage previously reported a position in AVTR as recently as Q3 2025.

SIG Brokerage first reported a position in AVTR in Q3 2025 and has held it in 2 quarters since. The position peaked at $270K in Q3 2025. 429 funds tracked by Wall St. Rank hold AVTR as of Q1 2026.

  • SIG Brokerage held 13,777 shares of Avantor worth $108K as of Q1 2026.
  • Avantor was a new SIG Brokerage position in Q1 2026.
  • Avantor made up ﹤0.01% of SIG Brokerage's portfolio in Q1 2026, its #730 holding.
  • SIG Brokerage first reported a position in Avantor in Q3 2025 and has held it in 2 quarters since.
  • SIG Brokerage's Avantor position peaked at $270K in Q3 2025.
  • 429 funds tracked by Wall St. Rank held Avantor as of Q1 2026.

Based on SIG Brokerage's 13F filing for Q1 2026, filed 15 May 2026.