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Vanguard Personalized Indexing Management’s American Superconductor AMSC Stock Holding History

Vanguard Personalized Indexing 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
2025
Q4 		– Sell
-3,385
Closed -$201K – 1985
2025
Q3 		$201K Buy
+3,385
New +$169K ﹤0.01% 1707

Other funds holding AMSC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
AM
Atreides Management Boston, Massachusetts $5B AUM 78.34% 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
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
EA
Emerald Advisers Leola, Pennsylvania $3.16B AUM 109.58% 1-Year Est. Return

Vanguard Personalized Indexing Management's AMSC Position: Q4 2025 in Review

Vanguard Personalized Indexing Management sold out of American Superconductor (AMSC) in Q4 2025, closing a stake of 3,385 shares — an estimated $201K sold.

Vanguard Personalized Indexing Management first reported a position in AMSC in Q3 2025 and held it in 1 quarter. The position peaked at $201K in Q3 2025. 240 funds tracked by Wall St. Rank hold AMSC as of Q4 2025.

  • Vanguard Personalized Indexing Management reported no remaining American Superconductor position as of Q4 2025 after selling out during the quarter.
  • Vanguard Personalized Indexing Management sold 3,385 American Superconductor shares in Q4 2025, an estimated $201K.
  • Vanguard Personalized Indexing Management first reported a position in American Superconductor in Q3 2025 and held it in 1 quarter.
  • Vanguard Personalized Indexing Management's American Superconductor position peaked at $201K in Q3 2025.
  • 240 funds tracked by Wall St. Rank held American Superconductor as of Q4 2025.

Based on Vanguard Personalized Indexing Management's 13F filing for Q4 2025, filed 13 Feb 2026.