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Calamos Wealth Management’s Avantor AVTR Stock Holding History

Calamos Wealth 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 		– Sell
-38,401
Closed -$301K – 476
2026
Q1 		$301K Buy
+38,401
New +$378K 0.01% 397
2022
Q3 		– Sell
-10,013
Closed -$311K – 318
2022
Q2 		$311K Buy
+10,013
New +$313K 0.03% 254

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

Calamos Wealth Management's AVTR Position: Q2 2026 in Review

Calamos Wealth Management sold out of Avantor (AVTR) in Q2 2026, closing a stake of 38,401 shares — an estimated $301K sold.

Calamos Wealth Management first reported a position in AVTR in Q2 2022 and held it in 2 quarters. The position peaked at $311K in Q2 2022. 460 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • Calamos Wealth Management reported no remaining Avantor position as of Q2 2026 after selling out during the quarter.
  • Calamos Wealth Management sold 38,401 Avantor shares in Q2 2026, an estimated $301K.
  • Calamos Wealth Management first reported a position in Avantor in Q2 2022 and held it in 2 quarters.
  • Calamos Wealth Management's Avantor position peaked at $311K in Q2 2022.
  • 460 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on Calamos Wealth Management's 13F filing for Q2 2026, filed 31 Jul 2026.