Shannon River Fund Management LLC
Shannon River Fund Management, LLC (also known as Shannon River Capital Management, LLC) is a US-based hedge fund headquartered in New York City. Founded in 2002, the firm is led by Spencer Waxman and focuses on a variety of investment strategies. As of early 2025, the firm employs approximately 9 people and manages hundreds of millions in assets. Shannon River serves institutional investors and high net-worth individuals, providing portfolio management and investment advisory services.
Investment Strategy
Shannon River Fund Management employs a fundamental, research-driven investment strategy focusing primarily on public equities. The firm is known for targeting sectors with high growth potential and structural change, frequently investing in technology, media, telecommunications, and other innovation-driven industries. They utilize both long and short equity positions to generate risk-adjusted returns, emphasizing deep company analysis and opportunistic trading, while aiming to protect capital and adapt dynamically to market conditions.
Latest 13F Filing Activity
Shannon River Fund Management LLC filed their most recent 13F report on Jun 30, 2025 disclosing 22 equity positions and 2 options positions with a total 13F market value of $752M. The fund increased holdings in Coherent Corp., Ncino Inc., Marvell Technology Inc. among other positions. Shannon River Fund Management LLC reduced exposure to Clearwater Analytics HLDGS I, Elastic N V, Zoom Communications Inc. among others.
Top Holdings
Equity Positions (22)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
P PEGA | PEGASYSTEMS INC | 9.88% | $74.3M | 1,372,565 | $63.01 | $54.13 | +$30.2M |
F FLEX | FLEX LTD | 8.64% | $65.0M | 1,301,916 | $23.11 | $49.92 | +$31.5M |
T TSEM | TOWER SEMICONDUCTOR LTD | 8.46% | $63.6M | 1,467,504 | $34.36 | $43.35 | +$21.1M |
M MRVL | MARVELL TECHNOLOGY INC | 7.31% | $55.0M | 710,174 | $74.45 | $77.40 | +$34.6M |
I IDCC | INTERDIGITAL INC | 7.05% | $53.0M | 236,571 | $78.18 | $224.23 | +$6.5M |