Who Owns AMSC?
American Superconductor Corporation — Institutional Ownership & 13F Holdings
$46.51
-2.85 (-5.76%)
Market Cap
$2.3B
Shares Outstanding
47,612,285
Institutional Holders
191
Total Inst. Value
$18.6B
% of Float Held
60.9%
QoQ Holder Change
+78
Institutional data as of Q1 2025
New Positions
48
Closed Positions
35
Increased
60
Decreased
60
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | CANADA PENSION PLAN INVESTMENT BOARD | $18.1B | 1,000 |
| 2 | BlackRock, Inc. | $59.1M | 3,258,423 |
| 3 | VANGUARD GROUP INC | $41.5M | 2,287,585 |
| 4 | AWM Investment Company, Inc. | $28.3M | 1,558,478 |
| 5 | JONES FINANCIAL COMPANIES LLLP | $21.6M | 99,994 |
| 6 | MACQUARIE GROUP LTD | $18.6M | 1,026,822 |
| 7 | STATE STREET CORP | $16.1M | 890,047 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $16.0M | 881,681 |
| 9 | ROYCE & ASSOCIATES LP | $15.7M | 867,342 |
| 10 | DRIEHAUS CAPITAL MANAGEMENT LLC | $15.2M | 839,843 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| VANGUARD GROUP INC | +65K | $41.5M |
| AWM Investment Company, Inc. | +45K | $28.3M |
| JONES FINANCIAL COMPANIES LLLP | +97K | $21.6M |
| GEODE CAPITAL MANAGEMENT, LLC | +25K | $16.0M |
| ROYCE & ASSOCIATES LP | +28K | $15.7M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| RAYMOND JAMES FINANCIAL INC | -256K | $2.9M |
| UBS Group AG | -251K | $3.2M |
| BALYASNY ASSET MANAGEMENT L.P. | -217K | $403K |
| D. E. Shaw & Co., Inc. | -177K | $1.4M |
| WELLINGTON MANAGEMENT GROUP LLP | -172K | $5.2M |
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Frequently Asked Questions
How many institutional investors hold AMSC?
As of Q1 2025, 191 institutional investors report holding AMSC (American Superconductor Corporation) in their 13F filings.
What percentage of American Superconductor Corporation is owned by institutions?
Institutional investors hold approximately 60.9% of American Superconductor Corporation's float as reported in SEC 13F filings.
Which hedge fund owns the most AMSC?
The largest institutional holder of AMSC is CANADA PENSION PLAN INVESTMENT BOARD with $18.1B in shares.
Are institutions buying or selling AMSC?
This quarter, 48 institutions opened new positions in AMSC and 35 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.