Spark I Acquisition Corp (SPKL) Institutional Ownership

Ownership Summary

Spark I Acquisition Corp (NASDAQ:SPKL) showed up in the 13F filings of 16 institutional investors as of December 2025.

• They owned 17.6% of outstanding stock in December 2025, down from 18.0% the prior quarter.
• Their total shares held in SPKL increased 18.19% from the prior quarter, while the number of investors in Spark I Acquisition decreased 60.0% year over year.
• Among the 16 funds, 7 bought more Spark I Acquisition shares, 3 sold down, and 6 held their ground.
• Altogether, these fund groups held 1.66Mn shares in SPKL by December 2025, up by 255.49K shares quarter on quarter, and down 9.89Mn shares year over year.
• As of December 31, 2025, AQR Arbitrage LLC held the largest stake in Spark I Acquisition with 633.33K shares, accounting for 6.72% of total shares outstanding.
• The most significant purchases of SPKL for the quarter ending December 2025 came from O'Connor Alternative Investments LLC (66.83K), Berkley W R Corp (24.86K), Logan Stone Capital, LLC (2.73K), MIZUHO SECURITIES USA LLC (2.33K), Morgan Stanley (18).
• The largest sellers of Spark I Acquisition for the quarter ending December 2025 were AQR Arbitrage LLC (670), SUSQUEHANNA INTERNATIONAL GROUP, LLP (288), UBS Group AG (16).
• Spark I Acquisition's 10 largest shareholders as of December 2025 include AQR Arbitrage LLC (633.33K), MIZUHO SECURITIES USA LLC (438.53K), PERISCOPE CAPITAL INC. (125.0K), MOORE CAPITAL MANAGEMENT, LP (100.0K), Berkley W R Corp (90.43K), O'Connor Alternative Investments LLC (66.83K), GLAZER CAPITAL, LLC (60.1K), Radcliffe Capital Management, L.P. (39.49K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (32.93K), Logan Stone Capital, LLC (31.21K) per Business Quant data.