Renaissance Technologies
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Renaissance Technologies’s American Superconductor AMSC Stock Holding History

Renaissance Technologies’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
Q1 		– Sell
-139,989
Closed -$4.03M – 3228
2025
Q4 		$4.03M Sell
139,989
-184,000
-57% -$7.96M 0.01% 1428
2025
Q3 		$19.2M Buy
+323,989
New +$16.2M 0.03% 742
2024
Q4 		– Sell
-158,389
Closed -$3.74M – 3550
2024
Q3 		$3.74M Sell
158,389
-29,600
-16% -$682K 0.01% 1631
2024
Q2 		$4.4M Buy
187,989
+74,500
+66% +$1.23M 0.01% 1391
2024
Q1 		$1.53M Buy
+113,489
New +$1.41M ﹤0.01% 2203
2023
Q3 		– Sell
-69,489
Closed -$435K – 3626
2023
Q2 		$435K Buy
69,489
+12,889
+23% +$62.8K ﹤0.01% 2946
2023
Q1 		$278K Sell
56,600
-45,589
-45% -$229K ﹤0.01% 3155
2022
Q4 		$376K Sell
102,189
-34,700
-25% -$136K ﹤0.01% 3117
2022
Q3 		$600K Buy
136,889
+95,200
+228% +$493K ﹤0.01% 2816
2022
Q2 		$216K Sell
41,689
-38,200
-48% -$221K ﹤0.01% 3616
2022
Q1 		$608K Buy
+79,889
New +$684K ﹤0.01% 3055
2021
Q4 		– Sell
-43,808
Closed -$639K – 3877
2021
Q3 		$639K Sell
43,808
-300,746
-87% -$4.17M ﹤0.01% 2781
2021
Q2 		$5.99M Sell
344,554
-271,921
-44% -$4.35M 0.01% 1512
2021
Q1 		$11.7M Sell
616,475
-300,500
-33% -$7.44M 0.01% 1087
2020
Q4 		$21.5M Sell
916,975
-252,442
-22% -$4.48M 0.02% 718
2020
Q3 		$16.9M Sell
1,169,417
-112,900
-9% -$1.26M 0.02% 820
2020
Q2 		$10.4M Buy
1,282,317
+121,900
+11% +$797K 0.01% 1195
2020
Q1 		$6.36M Sell
1,160,417
-74,200
-6% -$509K 0.01% 1424
2019
Q4 		$9.69M Sell
1,234,617
-14,541
-1% -$117K 0.01% 1469
2019
Q3 		$9.79M Buy
1,249,158
+91,225
+8% +$776K 0.01% 1402
2019
Q2 		$10.7M Buy
1,157,933
+415,286
+56% +$4.42M 0.01% 1356
2019
Q1 		$9.55M Buy
742,647
+628,689
+552% +$8.55M 0.01% 1407
2018
Q4 		$1.27M Buy
113,958
+42,200
+59% +$361K ﹤0.01% 2463
2018
Q3 		$499K Sell
71,758
-113,130
-61% -$675K ﹤0.01% 2847
2018
Q2 		$1.29M Sell
184,888
-128,800
-41% -$842K ﹤0.01% 2486
2018
Q1 		$1.83M Sell
313,688
-194,900
-38% -$999K ﹤0.01% 2372
2017
Q4 		$1.85M Sell
508,588
-45,700
-8% -$174K ﹤0.01% 2387
2017
Q3 		$2.52M Buy
554,288
+68,100
+14% +$264K ﹤0.01% 2174
2017
Q2 		$2.25M Buy
486,188
+26,600
+6% +$135K ﹤0.01% 2202
2017
Q1 		$3.15M Buy
459,588
+33,700
+8% +$227K ﹤0.01% 1987
2016
Q4 		$3.14M Buy
425,888
+7,800
+2% +$58.4K 0.01% 1972
2016
Q3 		$2.93M Buy
418,088
+49,800
+14% +$386K 0.01% 1962
2016
Q2 		$3.11M Buy
368,288
+49,000
+15% +$457K 0.01% 1923
2016
Q1 		$2.43M Buy
319,288
+30,600
+11% +$205K ﹤0.01% 2098
2015
Q4 		$1.84M Buy
288,688
+26,000
+10% +$127K ﹤0.01% 2165
2015
Q3 		$1.14M Buy
262,688
+81,200
+45% +$382K ﹤0.01% 2315
2015
Q2 		$949K Buy
181,488
+107,200
+144% +$708K ﹤0.01% 2475
2015
Q1 		$478K Buy
74,288
+42,769
+136% +$320K ﹤0.01% 2610
2014
Q4 		$233K Buy
+31,519
New +$333K ﹤0.01% 2650
2014
Q3 		– Sell
-31,710
Closed -$517K – 2769
2014
Q2 		$517K Sell
31,710
-12,833
-29% -$183K ﹤0.01% 2308
2014
Q1 		$717K Sell
44,543
-48,194
-52% -$860K ﹤0.01% 2208
2013
Q4 		$1.52M Buy
92,737
+62,850
+210% +$1.17M ﹤0.01% 1886
2013
Q3 		$699K Buy
29,887
+16,007
+115% +$405K ﹤0.01% 2175
2013
Q2 		$366K Buy
+13,880
New +$350K ﹤0.01% 2339

Other funds holding AMSC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $3.39B AUM 105.5% 1-Year Est. Return
AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return

Renaissance Technologies's AMSC Position: Q1 2026 in Review

Renaissance Technologies sold out of American Superconductor (AMSC) in Q1 2026, closing a stake of 139,989 shares — an estimated $4.03M sold.

Renaissance Technologies first reported a position in AMSC in Q2 2013 and held it in 44 quarters. The position peaked at $21.5M in Q4 2020. 244 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • Renaissance Technologies reported no remaining American Superconductor position as of Q1 2026 after selling out during the quarter.
  • Renaissance Technologies sold 139,989 American Superconductor shares in Q1 2026, an estimated $4.03M.
  • Renaissance Technologies first reported a position in American Superconductor in Q2 2013 and held it in 44 quarters.
  • Renaissance Technologies's American Superconductor position peaked at $21.5M in Q4 2020.
  • 244 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.