AMSC

American Superconductor CORP

+$144.0M

Net Activity

Institutions Holding

245

Popularity Rank

#2427

Avg Weight

0.07%

Total Value

$1.1B

Ownership Trend

245 institutions currently hold AMSC, with 147 net buyers and 109 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Neutral

Based on recent trading activity

Net Selling Institutions

109

Net Buying Institutions

147

Key Holders

Key Holders

Top 5 by Value

BI
BlackRock, Inc.
$134.8M
VC
Vanguard Capital Management LLC
$69.0M
VP
Vanguard Portfolio Management LLC
$57.9M
BG
Baillie Gifford & Co
$49.0M
SS
State Street CORP
$42.7M

Top 5 by Conviction

AI
AWM Investment Company, Inc.
3.00%
PI
Palisades Investment Partners, LLC
2.02%
TA
Telemark Asset Management, LLC
1.88%
EI
Essex Investment Management Co LLC
1.22%
OA
Oberweis Asset Management Inc/
0.85%
View all 245 holding institutions

Quarterly Activity

Recent Activity

+$694.3M

Total Buy Value

$452.9M

Total Sell Value

New buy47
Trim64
Add100
Sold out45

147

Net Buyers

109

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

7

Filings (90d)

$2.57M

Total Est. Value

61K shares

Planned Shares

Last Filed 2026-06-11
FilerFiling DateEst. Value
McGahn Daniel P2026-06-11$604K
Kosiba John W JR2026-06-11$254K
Dambier Laura A.2026-06-10$161K
Kosiba John W JR2026-06-08$202K
McGahn Daniel P2026-06-08$404K
McGahn Daniel P2026-06-03$630K
Kosiba John W JR2026-06-03$316K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding AMERICAN SUPERCONDUCTOR CORP (AMSC)?
Major stakeholders currently include BlackRock, Inc. ($134.8M), Vanguard Capital Management LLC ($69.0M), Vanguard Portfolio Management LLC ($57.9M). Based on the latest 13F filings, there are a total of 245 tracked investment funds and institutions maintaining positions in AMSC.
What is the overall institutional sentiment toward AMSC recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $144.0M, driven by 147 managers accumulating shares while 109 reduced their exposure.
Which institutions have been selling or reducing their AMSC positions?
In the latest period, 64 funds trimmed their holdings, and 45 managers completely exited their positions. The aggregate reported sell value was $452.9M.
Are there any notable investors adding AMSC to their portfolios?
Yes, buying activity remains notable. 47 institutions opened new positions in {ticker}, and 100 existing holders added to their shares. The total reported buy value for the quarter amounted to $694.3M.

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