Managers / Q1 2025 · view latest →
Shannon River Fund Management LLC
CIK 0001301050 · 850 THIRD AVENUE, 13TH FLOOR, NEW YORK, NY, 10022 · 212 331 6750
Reported Value
$383M
Q1 2025
Positions
14
Filings on Record
34
2019–present window
Filed
May 14, 2025
original filing
Summary
Shannon River Fund Management Llc reported $383M in U.S.-listed holdings across 14 positions for Q1 2025.
Its largest position, IDI, represents 12.1% of the portfolio.
Compared with Q4 2024, the fund opened 5 new positions and exited 9.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
- Common Stock · 57.2% · $219M
- Other · 42.8% · $164M
Quarter-over-Quarter Changes full breakdown →
Holdings — Q1 2025
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $524M | 28 | May 14, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $638M | 26 | Feb 17, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $621M | 20 | Nov 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $752M | 24 | Aug 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $383M | 14 | May 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $678M | 19 | Feb 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $715M | 19 | Nov 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $620M | 22 | Aug 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $449M | 18 | May 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $547M | 24 | Feb 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $503M | 16 | Nov 13, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $401M | 15 | Aug 11, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $443M | 27 | May 12, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $407.8B | 30 | Feb 13, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $233M | 30 | Nov 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $352M | 35 | Aug 15, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $901M | 48 | May 16, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $986M | 45 | Feb 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $1.4B | 57 | Nov 15, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $1.4B | 57 | Aug 16, 2021 | RESTATEMENT | changes · EDGAR ↗ |
| Q1 2021 | $1.5B | 57 | May 17, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $1.1B | 46 | Feb 16, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $832M | 33 | Nov 16, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $764M | 33 | Aug 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $592M | 26 | May 15, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $749M | 27 | Feb 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $576M | 24 | Nov 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $629M | 31 | Aug 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $573M | 30 | May 15, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $352M | 28 | Feb 14, 2019 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.