California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Avantor AVTR Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$7.56M Sell
763,374
-22,425
-3% -$193K 0.01% 872
2026
Q1 		$6.16M Buy
785,799
+145,045
+23% +$1.43M 0.01% 905
2025
Q4 		$7.34M Sell
640,754
-584
-0.1% -$7.19K 0.01% 761
2025
Q3 		$8M Sell
641,338
-547,898
-46% -$7.06M 0.01% 712
2025
Q2 		$16M Buy
1,189,236
+114,001
+11% +$1.56M 0.02% 541
2025
Q1 		$17.4M Buy
1,075,235
+3,467
+0.3% +$65.7K 0.02% 519
2024
Q4 		$22.6M Sell
1,071,768
-34,085
-3% -$767K 0.03% 474
2024
Q3 		$28.6M Buy
1,105,853
+7,676
+0.7% +$188K 0.03% 425
2024
Q2 		$23.3M Buy
1,098,177
+30,239
+3% +$728K 0.03% 458
2024
Q1 		$27.3M Buy
1,067,938
+5,230
+0.5% +$124K 0.03% 421
2023
Q4 		$24.3M Sell
1,062,708
-2,397
-0.2% -$49.1K 0.03% 433
2023
Q3 		$22.5M Sell
1,065,105
-31,749
-3% -$675K 0.03% 428
2023
Q2 		$22.5M Sell
1,096,854
-30,918
-3% -$625K 0.03% 448
2023
Q1 		$23.8M Sell
1,127,772
-7,744
-0.7% -$176K 0.04% 431
2022
Q4 		$23.9M Buy
1,135,516
+94,548
+9% +$1.96M 0.04% 418
2022
Q3 		$20.4M Buy
1,040,968
+26,598
+3% +$713K 0.03% 447
2022
Q2 		$31.5M Buy
1,014,370
+74,045
+8% +$2.31M 0.05% 342
2022
Q1 		$31.8M Sell
940,325
-35,413
-4% -$1.26M 0.04% 391
2021
Q4 		$41.1M Buy
975,738
+8,074
+0.8% +$318K 0.05% 354
2021
Q3 		$39.6M Sell
967,664
-73,986
-7% -$2.89M 0.05% 337
2021
Q2 		$37M Buy
1,041,650
+106,824
+11% +$3.45M 0.05% 372
2021
Q1 		$27M Buy
934,826
+5,822
+0.6% +$168K 0.04% 447
2020
Q4 		$26.2M Buy
929,004
+108,887
+13% +$2.81M 0.04% 436
2020
Q3 		$18.4M Buy
820,117
+80,664
+11% +$1.68M 0.03% 486
2020
Q2 		$12.6M Buy
739,453
+207,856
+39% +$3.38M 0.02% 568
2020
Q1 		$6.64M Buy
531,597
+741
+0.1% +$11.9K 0.01% 707
2019
Q4 		$9.63M Buy
530,856
+155,526
+41% +$2.48M 0.02% 694
2019
Q3 		$5.52M Buy
+375,330
New +$6.36M 0.01% 935

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

California State Teachers Retirement System (CalSTRS)'s AVTR Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Avantor (AVTR) stake by 2.9% in Q2 2026, selling an estimated $193K and leaving 763,374 shares worth $7.56M. The position accounts for 0.01% of the portfolio, ranked #872.

California State Teachers Retirement System (CalSTRS) first reported a position in AVTR in Q3 2019 and has held it in 28 quarters since. The position peaked at $41.1M in Q4 2021. 459 funds tracked by Wall St. Rank hold AVTR as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 763,374 shares of Avantor worth $7.56M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 22,425 Avantor shares in Q2 2026, an estimated $193K.
  • Avantor made up 0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #872 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Avantor in Q3 2019 and has held it in 28 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Avantor position peaked at $41.1M in Q4 2021.
  • 459 funds tracked by Wall St. Rank held Avantor as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.