JONES FINANCIAL COMPANIES LLLP
Position in AMSC — American Superconductor Corp /De/
CIK 815917
DES PERES, MO
Position in AMSC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$358,521
+$116,189 QoQ
Shares Held
8,637
+20.6% QoQ
Ownership
0.018%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#161
of 276 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in AMSC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Jun 30, 2026JONES FINANCIAL COMPANIES LLLP holds $1,362,315,743 across 60 Specialty Industrial Machinery names. AMSC ranks #36 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ETN |
Eaton Corp plc
|
659,078 | $280,846,317 | |
| 2 | GEV |
GE Vernova Inc.
|
233,947 | $274,854,971 | |
| 3 | AME |
Ametek Inc/
|
753,450 | $182,289,692 | |
| 4 | PH |
Parker-Hannifin Corp
|
126,804 | $124,029,527 | |
| 5 | EMR |
Emerson Electric Co
|
692,838 | $99,179,759 | |
| 6 | AOS |
Smith A O Corp
|
1,015,428 | $63,687,643 | |
| 7 | CMI |
Cummins Inc
|
73,802 | $52,636,323 | |
| 8 | ITW |
Illinois Tool Works Inc
|
133,626 | $36,141,824 |
All Filings in AMSC
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $358,521 | 8,637 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $242,332 | 7,159 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $225,951 | 7,851 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $346,778 | 5,839 | Shares | Sole | 2025-11-04 | |
| 2025-06-30 | $164,591 | 4,486 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $85,276 | 4,701 | Shares | Sole | 2025-05-28 | |
| 2024-12-31 | $72,855 | 2,958 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $5,900 | 250 | Shares | Sole | 2024-11-12 | |
| No filing history on record for this holder in this stock. | ||||||