Parallax Volatility Advisers
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Parallax Volatility Advisers’s American Superconductor AMSC Stock Holding History

Parallax Volatility Advisers’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
-27,500
Closed -$791K – 1456
2025
Q4 		$791K Hold
27,500
– – ﹤0.01% 1159
2025
Q3 		$1.63M Buy
+27,500
New +$1.37M ﹤0.01% 979
2025
Q1 		– Sell
-50,000
Closed -$1.23M – 1545
2024
Q4 		$1.23M Hold
50,000
– – ﹤0.01% 1277
2024
Q3 		$1.18M Buy
+50,000
New +$1.15M ﹤0.01% 1312
2021
Q3 		– Sell
-32,500
Closed -$565K – 2960
2021
Q2 		$565K Buy
+32,500
New +$520K ﹤0.01% 2147

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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return

Parallax Volatility Advisers's AMSC Position: Q3 2021 in Review

Parallax Volatility Advisers sold out of American Superconductor (AMSC) in Q3 2021, closing a stake of 3,284 shares — an estimated $57K sold.

Parallax Volatility Advisers first reported a position in AMSC in Q4 2013 and held it in 3 quarters. The position peaked at $57K in Q2 2021. 100 funds tracked by Wall St. Rank hold AMSC as of Q3 2021.

  • Parallax Volatility Advisers reported no remaining American Superconductor position as of Q3 2021 after selling out during the quarter.
  • Parallax Volatility Advisers sold 3,284 American Superconductor shares in Q3 2021, an estimated $57K.
  • Parallax Volatility Advisers first reported a position in American Superconductor in Q4 2013 and held it in 3 quarters.
  • Parallax Volatility Advisers's American Superconductor position peaked at $57K in Q2 2021.
  • 100 funds tracked by Wall St. Rank held American Superconductor as of Q3 2021.

Based on Parallax Volatility Advisers's 13F filing for Q3 2021, filed 15 Nov 2021.