Spark I Acquisition SPKL Institutional Ownership

Updated Oct 10, 2026

Spark I Acquisition Corp (NASDAQ:SPKL) appeared in the 13F filings of 16 institutional investors for the quarter ended June 30, 2026.

• These investors held 23.04% of outstanding shares in Q2 2026, down from 26.30% the quarter before.
• Total shares held in Spark I Acquisition fell 12.40% from Q1 2026, while the number of holders fell 44.83% from Q2 2025.
• Among the 16 holders of Spark I Acquisition, 8 added to their positions, 5 reduced their stakes and 3 left their positions unchanged.
• Altogether, institutional holders owned 1.48Mn SPKL shares at the end of Q2 2026, down 209.5K from the prior quarter and down 5.52Mn from a year earlier.
• As of June 30, 2026, the biggest holder of Spark I Acquisition was Mizuho Securities USA LLC with 438.53K shares, or 6.83% of shares outstanding.
• The largest position increase in SPKL for Q2 2026 was by Toronto Dominion Bank (+2.78K shares).
• The largest position reductions in SPKL for Q2 2026 were by AQR Arbitrage LLC (-195.64K shares), Periscope Capital Inc. (-80K shares), W. R. Berkley Corp (-59.37K shares), Clear Street Group Inc. (-13.78K shares) and Morgan Stanley (-5 shares).
• Spark I Acquisition's 10 largest institutional shareholders as of Q2 2026 were Mizuho Securities USA LLC (438.53K shares), AQR Arbitrage LLC (437.69K shares), Yaupon Capital Management LP (156.25K shares), FNY Investment Advisers, LLC (116.03K shares), Moore Capital Management, LP (100K shares), Periscope Capital Inc. (45K shares), Polar Asset Management Partners Inc. (44.76K shares), W. R. Berkley Corp (31.06K shares), HRT Financial LP (29.59K shares) and Linden Advisors LP (25K shares), per Business Quant data.