Shannon River Fund Management LLC
Position in TSEM — Tower Semiconductor Ltd
CIK 1301050
NEW YORK, NY
Position in TSEM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$88,483,859
+$17,702,614 QoQ
Shares Held
504,239
-16.4% QoQ
Ownership
0.447%
of shares outstanding
% of Portfolio
16.88%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 quarters on record
Voting authority
Sole 97.68562130259659.ToString("F0")%
Shared 0.ToString("F0")%
None 2.3143786974034137.ToString("F0")%
Common Shares in TSEM Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026Shannon River Fund Management LLC holds $178,218,422 across 4 Semiconductors names. TSEM ranks #1 (49.6% of the industry book) .
All Filings in TSEM
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $88,483,859 | 504,239 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $70,781,245 | 602,804 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $69,557,154 | 962,063 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $63,616,298 | 1,467,504 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $42,532,145 | 1,192,713 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $55,934,245 | 1,085,891 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $59,229,395 | 1,338,215 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $77,965,488 | 1,983,350 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $61,325,089 | 1,833,336 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $38,538,397 | 1,262,726 | Shares | Sole | 2024-02-13 | |
| No filing history on record for this holder in this stock. | ||||||