ArrowMark Colorado Holdings LLC
Position in AMSC — American Superconductor Corp /De/
CIK 1483859
Denver, CO
Position in AMSC
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$6,618,022
+$2,033,649 QoQ
Shares Held
159,432
+17.7% QoQ
Ownership
0.329%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#42
of 276 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMSC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Jun 30, 2026ArrowMark Colorado Holdings LLC holds $87,085,773 across 9 Specialty Industrial Machinery names. AMSC ranks #8 (7.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RRX |
Regal Rexnord Corp
|
69,600 | $16,578,024 | |
| 2 | GNRC |
Generac Holdings Inc.
|
53,539 | $15,676,754 | |
| 3 | JBTM |
JBT MAREL Corp
|
74,105 | $10,745,225 | |
| 4 | MIR |
Mirion Technologies, Inc.
|
588,240 | $10,547,143 | |
| 5 | KAI |
Kadant Inc
|
27,553 | $8,657,979 | |
| 6 | ATS |
ATS Corp /ATS
|
280,000 | $8,058,400 | |
| 7 | KRNT |
Kornit Digital Ltd.
|
482,000 | $7,832,500 | |
| 8 | AMSC |
American Superconductor Corp /De/
This page
|
159,432 | $6,618,022 |
All Filings in AMSC
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,618,022 | 159,432 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $4,584,373 | 135,432 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,178,232 | 110,432 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,558,556 | 110,432 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $5,739,490 | 156,432 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,366,036 | 130,432 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,606,620 | 146,432 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $4,848,195 | 205,432 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $5,764,044 | 246,432 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $4,139,896 | 306,432 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $4,806,152 | 431,432 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,879,811 | 381,432 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $4,190,644 | 669,432 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,795,911 | 569,432 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $2,075,520 | 564,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,847,000 | 650,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,823,100 | 545,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,919,150 | 515,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $4,515,200 | 415,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $4,884,300 | 335,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $3,686,680 | 212,000 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,938,800 | 155,000 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $5,620,800 | 240,000 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $3,185,600 | 220,000 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||