California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s West Pharmaceutical WST Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio WST Stock Details WST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$40.6M Buy
113,071
+2,437
+2% +$745K 0.04% 345
2026
Q1 		$27.7M Sell
110,634
-2,936
-3% -$731K 0.03% 429
2025
Q4 		$31.2M Sell
113,570
-3,946
-3% -$1.08M 0.03% 410
2025
Q3 		$30.8M Sell
117,516
-59
-0.1% -$14.3K 0.03% 414
2025
Q2 		$25.7M Sell
117,575
-704
-0.6% -$150K 0.03% 452
2025
Q1 		$26.5M Buy
118,279
+759
+0.6% +$209K 0.03% 425
2024
Q4 		$38.5M Sell
117,520
-661
-0.6% -$208K 0.04% 336
2024
Q3 		$35.5M Sell
118,181
-39
-0% -$11.9K 0.04% 368
2024
Q2 		$38.9M Buy
118,220
+1,530
+1% +$541K 0.05% 335
2024
Q1 		$46.2M Buy
116,690
+591
+0.5% +$219K 0.06% 301
2023
Q4 		$40.9M Buy
116,099
+98
+0.1% +$34.7K 0.06% 306
2023
Q3 		$43.5M Sell
116,001
-4,490
-4% -$1.74M 0.07% 275
2023
Q2 		$46.1M Sell
120,491
-1,531
-1% -$547K 0.07% 285
2023
Q1 		$42.3M Sell
122,022
-1,163
-0.9% -$340K 0.06% 298
2022
Q4 		$29M Buy
123,185
+1,193
+1% +$283K 0.05% 378
2022
Q3 		$30M Sell
121,992
-1,537
-1% -$468K 0.05% 344
2022
Q2 		$37.4M Buy
123,529
+1,007
+0.8% +$328K 0.06% 303
2022
Q1 		$50.3M Sell
122,522
-7,384
-6% -$2.89M 0.07% 276
2021
Q4 		$60.9M Buy
129,906
+1,545
+1% +$665K 0.07% 263
2021
Q3 		$54.5M Sell
128,361
-3,325
-3% -$1.4M 0.07% 263
2021
Q2 		$47.3M Sell
131,686
-10,940
-8% -$3.61M 0.06% 306
2021
Q1 		$40.2M Buy
142,626
+2,043
+1% +$585K 0.05% 332
2020
Q4 		$39.8M Buy
140,583
+2,580
+2% +$724K 0.06% 311
2020
Q3 		$37.9M Buy
138,003
+6,883
+5% +$1.82M 0.06% 282
2020
Q2 		$29.8M Buy
131,120
+3,215
+3% +$632K 0.05% 318
2020
Q1 		$19.5M Sell
127,905
-387
-0.3% -$59.6K 0.04% 361
2019
Q4 		$19.3M Buy
128,292
+10,771
+9% +$1.57M 0.03% 455
2019
Q3 		$16.7M Buy
117,521
+1,178
+1% +$162K 0.03% 471
2019
Q2 		$14.6M Buy
116,343
+645
+0.6% +$76.1K 0.03% 520
2019
Q1 		$12.8M Sell
115,698
-1,939
-2% -$202K 0.03% 550
2018
Q4 		$11.5M Sell
117,637
-79
-0.1% -$8.57K 0.03% 538
2018
Q3 		$14.5M Sell
117,716
-305
-0.3% -$34.2K 0.03% 530
2018
Q2 		$11.7M Buy
118,021
+5,783
+5% +$532K 0.02% 595
2018
Q1 		$9.91M Sell
112,238
-3,935
-3% -$368K 0.02% 642
2017
Q4 		$11.5M Sell
116,173
-2,012
-2% -$197K 0.02% 615
2017
Q3 		$11.4M Sell
118,185
-12,357
-9% -$1.12M 0.03% 581
2017
Q2 		$12.3M Sell
130,542
-12,092
-8% -$1.11M 0.03% 579
2017
Q1 		$11.6M Sell
142,634
-6,500
-4% -$544K 0.02% 625
2016
Q4 		$12.7M Sell
149,134
-4,000
-3% -$315K 0.03% 591
2016
Q3 		$11.4M Buy
153,134
+1,300
+0.9% +$103K 0.02% 623
2016
Q2 		$11.5M Sell
151,834
-986
-0.6% -$71.8K 0.02% 597
2016
Q1 		$10.6M Buy
152,820
+19,451
+15% +$1.17M 0.02% 648
2015
Q4 		$8.03M Buy
133,369
+2,165
+2% +$130K 0.02% 711
2015
Q3 		$7.1M Sell
131,204
-200
-0.2% -$11.7K 0.02% 763
2015
Q2 		$7.63M Buy
131,404
+2,053
+2% +$115K 0.02% 775
2015
Q1 		$7.79M Sell
129,351
-2,400
-2% -$128K 0.02% 759
2014
Q4 		$7.01M Buy
131,751
+1,258
+1% +$62.9K 0.02% 825
2014
Q3 		$5.84M Buy
130,493
+1,441
+1% +$61.2K 0.01% 895
2014
Q2 		$5.44M Buy
129,052
+3,300
+3% +$141K 0.01% 955
2014
Q1 		$5.54M Buy
125,752
+500
+0.4% +$23.5K 0.01% 900
2013
Q4 		$6.14M Buy
125,252
+900
+0.7% +$42.1K 0.02% 833
2013
Q3 		$5.12M Buy
124,352
+3,824
+3% +$146K 0.02% 886
2013
Q2 		$4.23M Buy
+120,528
New +$3.97M 0.01% 915

Other funds holding WST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
GIM
Generation Investment Management London, United Kingdom $10.3B AUM 4.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

California State Teachers Retirement System (CalSTRS) increased its West Pharmaceutical (WST) stake by 2.2% in Q2 2026, buying an estimated $745K and bringing the position to 113,071 shares worth $40.6M. The position accounts for 0.04% of the portfolio, ranked #345.

California State Teachers Retirement System (CalSTRS) first reported a position in WST in Q2 2013 and has held it in 53 quarters since. The position peaked at $60.9M in Q4 2021. 830 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 113,071 shares of West Pharmaceutical worth $40.6M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) bought 2,437 West Pharmaceutical shares in Q2 2026, an estimated $745K.
  • West Pharmaceutical made up 0.04% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #345 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in West Pharmaceutical in Q2 2013 and has held it in 53 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s West Pharmaceutical position peaked at $60.9M in Q4 2021.
  • 830 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

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