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.
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 |
Options Positions (2)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
I IWM | ISHARES TR | New | Put | $64.7M | 3,000 | $215.79 | $215.79 | +3,000 | +$64.7M |
P PEGA | PEGASYSTEMS INC | New | Put | $37.9M | 7,000 | $54.13 | $54.13 | +7,000 | +$37.9M |