Rockefeller Capital Management
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Rockefeller Capital Management’s American Superconductor AMSC Stock Holding History

Rockefeller Capital Management’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 		$53.2K Buy
1,573
+10
+0.6% +$316 ﹤0.01% 3244
2025
Q4 		$45K Buy
1,563
+492
+46% +$21.3K ﹤0.01% 3125
2025
Q3 		$63.6K Buy
+1,071
New +$53.5K ﹤0.01% 2792
2023
Q1 		– Sell
-1,200
Closed -$4K – 2054
2022
Q4 		$4K Hold
1,200
– – ﹤0.01% 3361
2022
Q3 		$5K Hold
1,200
– – ﹤0.01% 3315
2022
Q2 		$6K Hold
1,200
– – ﹤0.01% 3341
2022
Q1 		$9K Hold
1,200
– – ﹤0.01% 3086
2021
Q4 		$13K Buy
+1,200
New +$17.3K ﹤0.01% 2828

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

Rockefeller Capital Management's AMSC Position: Q1 2026 in Review

Rockefeller Capital Management increased its American Superconductor (AMSC) stake by 0.64% in Q1 2026, buying an estimated $316 and bringing the position to 1,573 shares worth $53.2K. The position accounts for ﹤0.01% of the portfolio, ranked #3244.

Rockefeller Capital Management first reported a position in AMSC in Q4 2021 and has held it in 8 quarters since. The position peaked at $63.6K in Q3 2025. 244 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • Rockefeller Capital Management held 1,573 shares of American Superconductor worth $53.2K as of Q1 2026.
  • Rockefeller Capital Management bought 10 American Superconductor shares in Q1 2026, an estimated $316.
  • American Superconductor made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q1 2026, its #3244 holding.
  • Rockefeller Capital Management first reported a position in American Superconductor in Q4 2021 and has held it in 8 quarters since.
  • Rockefeller Capital Management's American Superconductor position peaked at $63.6K in Q3 2025.
  • 244 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on Rockefeller Capital Management's 13F filing for Q1 2026, filed 14 May 2026.