Burtech Acquisition -CW23BZAIWPreferred / convertible

13F holders, Q1 2026 (March 31)
21holders +1
3new positions
2sold out
1famous investor
$0.37avg. 13F price*

At the end of Q1 2026, 21 institutions reported holding Burtech Acquisition -CW23 (BZAIW) in their 13F filings, up 1 from Q4 2025. 3 opened new positions and 2 sold out. The largest holders were Calamos Advisors LLC ($350K), Caption Management, LLC ($341K) and Saba Capital Management, L.P. ($332K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Burtech Acquisition -CW23
Filed as
BLAIZE HLDGS INC (Q1 2026)
CUSIP
092915115
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2025: 23Q1 2025Q2 2025: 23Q2 2025Q3 2025: 23Q3 2025Q4 2025: 20Q4 2025Q1 2026: 21Q1 2026Q2 2026: 21Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions3$25K
Exits2$16K

All 13F filers, Q4 2025 → Q1 2026: 116,965 shares bought and 83,543 shares sold, net +33,422 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 21 holders

Calamos Advisors LLC — No change 1,000,000 $350K
Caption Management, LLC — No change 898,556 $341K
Saba Capital Management, L.P. — No change 874,225 $332K
D. E. Shaw & Co. — No change 900,000 $315K
MMCAP International Inc. SPC — No change 750,000 $285K
LMR Partners LLP — No change 615,000 $234K
Aristeia Capital, L.L.C. — Add +8.8% 559,887 $207K
Hudson Bay Capital Management LP — Reduce -0.0% 455,788 $160K
Wolverine Asset Management LLC — Add +0.6% 405,376 $154K
Sculptor Capital LP — Reduce -0.5% 222,710 $82K
Whitebox Advisors LLC — No change 209,250 $80K
Clear Street Group Inc. — No change 201,429 $77K
Q Global Advisors, LLC — No change 150,000 $57K
Creative Planning — No change 134,700 $51K
Ionic Capital Management LLC — No change 84,427 $32K
Apollon Wealth Management, LLC — Reduce -41.8% 58,520 $22K
Rpo LLC — No change 45,520 $17K
Susquehanna International Group, LLP — New 48,541 $17K
Yakira Capital Management, Inc. — No change 26,439 $10K
Goldman Sachs Group Inc. — New 10,311 $4K
Ground Swell Capital, LLC — New 10,357 $4K

"% of holder's portfolio" is BZAIW's weight in each manager's 13F, not the share of Burtech Acquisition -CW23 the manager owns.