Spark I Acquisition Corp.-28SPKWFPreferred / convertible

13F holders, Q1 2026 (March 31)
23holders −4
0new positions
4sold out
1famous investor
$0.22avg. 13F price*

At the end of Q1 2026, 23 institutions reported holding Spark I Acquisition Corp.-28 (SPKWF) in their 13F filings, down 4 from Q4 2025. 0 opened new positions and 4 sold out. The largest holders were Boothbay Fund Management, LLC ($114K), Toronto Dominion Bank ($63K) and AQR Arbitrage LLC ($53K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Spark I Acquisition Corp.-28
CUSIP
G8316B118
Latest filing quarter
Q2 2026

History

Number of 13F holders

010203040 Q1 2024: 30Q1 2024Q2 2024: 31Q2 2024Q3 2024: 31Q3 2024Q4 2024: 27Q4 2024Q1 2025: 28Q1 2025Q2 2025: 31Q2 2025Q3 2025: 29Q3 2025Q4 2025: 27Q4 2025Q1 2026: 23Q1 2026Q2 2026: 22Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions0$0
Exits4$9K

All 13F filers, Q4 2025 → Q1 2026: 154,188 shares sold, net −154,188 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 23 holders
Boothbay Fund Management, LLC — No change 10,080 $114K
Toronto Dominion Bank — Reduce -0.7% 348,200 $63K
AQR Arbitrage LLC — No change 292,331 $53K
Shaolin Capital Management LLC — Reduce -6.9% 288,446 $52K
Polar Asset Management Partners Inc. — No change 225,000 $41K
Periscope Capital Inc. — No change 218,900 $39K
MMCAP International Inc. SPC — No change 175,000 $32K
K2 Principal Fund, L.P. — Reduce -38.4% 160,220 $29K
Linden Advisors LP — No change 150,000 $29K
Wealthspring Capital LLC — Reduce -0.7% 127,450 $23K
Picton Mahoney Asset Management — No change 125,000 $23K
Clear Street Group Inc. — No change 116,595 $21K
Moore Capital Management, LP — No change 100,000 $18K
Alberta Investment Management Corp — No change 75,000 $14K
Westchester Capital Management, LLC — No change 44,785 $8K
Sculptor Capital LP — No change 40,000 $8K
D. E. Shaw & Co. — No change 40,596 $7K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 25,000 $5K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 12,650 $2K
Calamos Advisors LLC — No change 12,384 $2K
Gabelli Funds LLC — No change 12,350 $2K
Mint Tower Capital Management B.V. — No change 12,500 $2K
Schonfeld Strategic Advisors LLC — No change 10,000 $2K

"% of holder's portfolio" is SPKWF's weight in each manager's 13F, not the share of Spark I Acquisition Corp.-28 the manager owns.