Spark I Acquisition Corp.-28SPKWFPreferred / convertible

13F holders, Q4 2025 (December 31)
27holders −2
1new positions
2sold out
1famous investor
$0.36avg. 13F price*

At the end of Q4 2025, 27 institutions reported holding Spark I Acquisition Corp.-28 (SPKWF) in their 13F filings, down 2 from Q3 2025. 1 opened new positions and 2 sold out. The largest holders were Boothbay Fund Management, LLC ($115K), Toronto Dominion Bank ($111K) and Shaolin Capital Management LLC ($98K). 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 Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions1$4K
Exits2$14K

All 13F filers, Q3 2025 → Q4 2025: 18,484 shares bought and 66,949 shares sold, net −48,465 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 27 holders
Boothbay Fund Management, LLC — No change 10,080 $115K
Toronto Dominion Bank — Add +1.7% 350,800 $111K
Shaolin Capital Management LLC — Reduce -4.7% 309,697 $98K
AQR Arbitrage LLC — No change 292,331 $92K
K2 Principal Fund, L.P. — No change 260,220 $81K
Polar Asset Management Partners Inc. — No change 225,000 $71K
Periscope Capital Inc. — No change 218,900 $69K
MMCAP International Inc. SPC — No change 175,000 $55K
Linden Advisors LP — No change 150,000 $48K
Wealthspring Capital LLC — No change 128,300 $40K
Picton Mahoney Asset Management — No change 125,000 $39K
Clear Street Group Inc. — Reduce -2.4% 116,595 $37K
Moore Capital Management, LP — No change 100,000 $32K
Alberta Investment Management Corp — No change 75,000 $24K
Westchester Capital Management, LLC — No change 44,785 $14K
Sculptor Capital LP — No change 40,000 $13K
D. E. Shaw & Co. — No change 40,596 $13K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 25,000 $8K
Meteora Capital, LLC — Reduce -57.4% 16,620 $5K
Mint Tower Capital Management B.V. — No change 12,500 $4K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 12,650 $4K
Calamos Advisors LLC — No change 12,384 $4K
Gabelli Funds LLC — No change 12,350 $4K
Susquehanna International Group, LLP — New 11,889 $4K
Schonfeld Strategic Advisors LLC — Reduce -20.0% 10,000 $3K
UBS Group AG — Add +439.2% 976 $307
Bank of America Corp. — No change 2 $1

"% 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.