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TSEM position history

The shares of Tower Semiconductor (TSEM) that Shannon River Fund Management LLC reported in each quarter’s 13F.

Equity, SHS NEW

Shares held by quarter

New Add Reduce Exit

  1. 2023 Q4: 1,262,726 shares, $39M, 7.0% of portfolio, New
  2. 2024 Q1: 1,833,336 shares, $61M, 13.7% of portfolio, Add +45.2%
  3. 2024 Q2: 1,983,350 shares, $78M, 12.6% of portfolio, Add +8.2%
  4. 2024 Q3: 1,338,215 shares, $59M, 8.3% of portfolio, Reduce −32.5%
  5. 2024 Q4: 1,085,891 shares, $56M, 8.3% of portfolio, Reduce −18.9%
  6. 2025 Q1: 1,192,713 shares, $43M, 11.1% of portfolio, Add +9.8%
  7. 2025 Q2: 1,467,504 shares, $64M, 8.5% of portfolio, Add +23.0%
  8. 2025 Q3: 962,063 shares, $70M, 11.2% of portfolio, Reduce −34.4%
  9. 2025 Q4: 602,804 shares, $71M, 11.1% of portfolio, Reduce −37.3%
  10. 2026 Q1: 504,239 shares, $88M, 16.9% of portfolio, Reduce −16.4%
  11. 2026 Q2: 382,933 shares, $100M, 8.9% of portfolio, Reduce −24.1%
Holdings date Value % of holdings Shares Filing date All 13F holders