Teacher Retirement System of Texas
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Teacher Retirement System of Texas’s Repligen RGEN Stock Holding History

Teacher Retirement System of Texas’s Portfolio RGEN Stock Details RGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$356K Sell
3,023
-6,120
-67% -$855K ﹤0.01% 1210
2025
Q4 		$1.5M Sell
9,143
-7,949
-47% -$1.25M 0.01% 754
2025
Q3 		$2.28M Buy
17,092
+1,382
+9% +$168K 0.01% 823
2025
Q2 		$1.95M Sell
15,710
-101
-0.6% -$12.9K 0.01% 903
2025
Q1 		$2.01M Buy
15,811
+6,036
+62% +$929K 0.01% 869
2024
Q4 		$1.41M Buy
9,775
+6,805
+229% +$976K 0.01% 993
2024
Q3 		$442K Buy
+2,970
New +$426K ﹤0.01% 1240
2024
Q2 		– Sell
-1,349
Closed -$248K – 1676
2024
Q1 		$248K Sell
1,349
-1,083
-45% -$206K ﹤0.01% 1524
2023
Q4 		$437K Sell
2,432
-1,666
-41% -$259K ﹤0.01% 1425
2023
Q3 		$652K Buy
4,098
+101
+3% +$16.5K ﹤0.01% 1272
2023
Q2 		$565K Sell
3,997
-1,870
-32% -$300K ﹤0.01% 1376
2023
Q1 		$988K Buy
5,867
+97
+2% +$17.3K 0.01% 1148
2022
Q4 		$977K Sell
5,770
-10,940
-65% -$1.98M 0.01% 1134
2022
Q3 		$3.13M Buy
16,710
+8,298
+99% +$1.75M 0.02% 529
2022
Q2 		$1.37M Sell
8,412
-2,366
-22% -$374K 0.01% 680
2022
Q1 		$2.03M Buy
10,778
+415
+4% +$78.8K 0.01% 700
2021
Q4 		$2.75M Buy
10,363
+1,894
+22% +$510K 0.01% 668
2021
Q3 		$2.45M Buy
8,469
+2,023
+31% +$519K 0.01% 661
2021
Q2 		$1.29M Buy
6,446
+978
+18% +$190K 0.01% 804
2021
Q1 		$1.06M Buy
5,468
+1,011
+23% +$207K 0.01% 795
2020
Q4 		$854K Buy
4,457
+1,618
+57% +$294K 0.01% 754
2020
Q3 		$419K Buy
+2,839
New +$406K ﹤0.01% 850
2018
Q4 		– Sell
-4,374
Closed -$243K – 1118
2018
Q3 		$243K Sell
4,374
-3,141
-42% -$162K ﹤0.01% 1343
2018
Q2 		$354K Sell
7,515
-682
-8% -$28.1K ﹤0.01% 1432
2018
Q1 		$297K Sell
8,197
-4,530
-36% -$159K ﹤0.01% 1532
2017
Q4 		$462K Buy
+12,727
New +$461K ﹤0.01% 1567
2016
Q3 		– Sell
-4,668
Closed -$128K – 1886
2016
Q2 		$128K Buy
4,668
+818
+21% +$20.9K ﹤0.01% 1714
2016
Q1 		$103K Buy
3,850
+971
+34% +$23.8K ﹤0.01% 1758
2015
Q4 		$81K Sell
2,879
-951
-25% -$27.4K ﹤0.01% 1751
2015
Q3 		$107K Buy
3,830
+2,619
+216% +$94.6K ﹤0.01% 1720
2015
Q2 		$50K Buy
1,211
+269
+29% +$9.86K ﹤0.01% 1571
2015
Q1 		$29K Buy
942
+43
+5% +$1.11K ﹤0.01% 1782
2014
Q4 		$18K Sell
899
-234
-21% -$5.23K ﹤0.01% 1960
2014
Q3 		$23K Buy
1,133
+69
+6% +$1.45K ﹤0.01% 1736
2014
Q2 		$24K Buy
+1,064
New +$18.9K ﹤0.01% 1853

Other funds holding RGEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
UCFA
United Capital Financial Advisors Irving, Texas $16.3B AUM 16.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Teacher Retirement System of Texas's RGEN Position: Q1 2026 in Review

Teacher Retirement System of Texas reduced its Repligen (RGEN) stake by 67% in Q1 2026, selling an estimated $855K and leaving 3,023 shares worth $356K. The position accounts for ﹤0.01% of the portfolio, ranked #1210.

Teacher Retirement System of Texas first reported a position in RGEN in Q2 2014 and has held it in 35 quarters since. The position peaked at $3.13M in Q3 2022. 443 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Teacher Retirement System of Texas held 3,023 shares of Repligen worth $356K as of Q1 2026.
  • Teacher Retirement System of Texas sold 6,120 Repligen shares in Q1 2026, an estimated $855K.
  • Repligen made up ﹤0.01% of Teacher Retirement System of Texas's portfolio in Q1 2026, its #1210 holding.
  • Teacher Retirement System of Texas first reported a position in Repligen in Q2 2014 and has held it in 35 quarters since.
  • Teacher Retirement System of Texas's Repligen position peaked at $3.13M in Q3 2022.
  • 443 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Teacher Retirement System of Texas's 13F filing for Q1 2026, filed 30 Apr 2026.