California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s American Superconductor AMSC Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio AMSC Stock Details AMSC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.11M Sell
50,888
-6,128
-11% -$277K ﹤0.01% 1567
2026
Q1 		$1.93M Buy
57,016
+6,105
+12% +$193K ﹤0.01% 1541
2025
Q4 		$1.47M Buy
50,911
+234
+0.5% +$10.1K ﹤0.01% 1591
2025
Q3 		$3.01M Sell
50,677
-92
-0.2% -$4.6K ﹤0.01% 1186
2025
Q2 		$1.86M Buy
50,769
+15,210
+43% +$374K ﹤0.01% 1410
2025
Q1 		$645K Hold
35,559
– – ﹤0.01% 1932
2024
Q4 		$876K Buy
35,559
+709
+2% +$19.6K ﹤0.01% 1846
2024
Q3 		$822K Buy
34,850
+32,376
+1,309% +$746K ﹤0.01% 1891
2024
Q2 		$57.9K Buy
+2,474
New +$40.9K ﹤0.01% 2427
2022
Q2 		– Sell
-11,970
Closed -$91K – 3135
2022
Q1 		$91K Sell
11,970
-2,956
-20% -$25.3K ﹤0.01% 2890
2021
Q4 		$162K Buy
14,926
+435
+3% +$6.27K ﹤0.01% 2860
2021
Q3 		$211K Sell
14,491
-22,501
-61% -$312K ﹤0.01% 2721
2021
Q2 		$643K Sell
36,992
-3,598
-9% -$57.6K ﹤0.01% 2501
2021
Q1 		$770K Sell
40,590
-123
-0.3% -$3.04K ﹤0.01% 2304
2020
Q4 		$953K Buy
40,713
+7,413
+22% +$131K ﹤0.01% 2067
2020
Q3 		$482K Buy
33,300
+2,209
+7% +$24.7K ﹤0.01% 2300
2020
Q2 		$253K Hold
31,091
– – ﹤0.01% 2600
2020
Q1 		$170K Sell
31,091
-3,243
-9% -$22.2K ﹤0.01% 2626
2019
Q4 		$270K Buy
34,334
+1,997
+6% +$16.1K ﹤0.01% 2669
2019
Q3 		$254K Hold
32,337
– – ﹤0.01% 2687
2019
Q2 		$300K Buy
+32,337
New +$344K ﹤0.01% 2645
2017
Q2 		– Sell
-23,602
Closed -$162K – 3011
2017
Q1 		$162K Sell
23,602
-500
-2% -$3.37K ﹤0.01% 2863
2016
Q4 		$178K Sell
24,102
-400
-2% -$3K ﹤0.01% 2885
2016
Q3 		$172K Sell
24,502
-100
-0.4% -$776 ﹤0.01% 2896
2016
Q2 		$208K Buy
+24,602
New +$229K ﹤0.01% 2895
2014
Q2 		– Sell
-9,561
Closed -$154K – 3009
2014
Q1 		$154K Buy
9,561
+750
+9% +$13.4K ﹤0.01% 2949
2013
Q4 		$145K Hold
8,811
– – ﹤0.01% 2945
2013
Q3 		$206K Buy
8,811
+1,047
+13% +$26.5K ﹤0.01% 2853
2013
Q2 		$205K Buy
+7,764
New +$196K ﹤0.01% 2834

Other funds holding AMSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return

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

California State Teachers Retirement System (CalSTRS) reduced its American Superconductor (AMSC) stake by 11% in Q2 2026, selling an estimated $277K and leaving 50,888 shares worth $2.11M. The position accounts for ﹤0.01% of the portfolio, ranked #1567.

California State Teachers Retirement System (CalSTRS) first reported a position in AMSC in Q2 2013 and has held it in 29 quarters since. The position peaked at $3.01M in Q3 2025. 278 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 50,888 shares of American Superconductor worth $2.11M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 6,128 American Superconductor shares in Q2 2026, an estimated $277K.
  • American Superconductor made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #1567 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in American Superconductor in Q2 2013 and has held it in 29 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s American Superconductor position peaked at $3.01M in Q3 2025.
  • 278 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

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