Position in GRC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,902,350
+$1,452,050 QoQ
Shares Held
95,000
+1.9% QoQ
Ownership
0.360%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in GRC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Mar 31, 2026OBERWEIS ASSET MANAGEMENT INC/ holds $95,605,606 across 6 Specialty Industrial Machinery names. GRC ranks #6 (6.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FLS |
Flowserve Corp
|
434,681 | $31,953,400 | |
| 2 | AMSC |
American Superconductor Corp /De/
|
849,900 | $28,769,115 | |
| 3 | MIR |
Mirion Technologies, Inc.
|
744,267 | $13,835,923 | |
| 4 | THR |
Thermon Group Holdings, Inc.
|
154,700 | $7,796,880 | |
| 5 | BW |
Babcock & Wilcox Enterprises, Inc.
|
500,200 | $7,347,938 | |
| 6 | GRC |
Gorman Rupp Co
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|
95,000 | $5,902,350 |
All Filings in GRC
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11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,902,350 | 95,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $4,450,300 | 93,200 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,218,669 | 90,900 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $3,337,848 | 90,900 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,190,590 | 90,900 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,162,528 | 83,400 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,683,655 | 68,900 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,529,319 | 68,900 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,724,995 | 68,900 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $2,448,017 | 68,900 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,138,500 | 65,000 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||