Security Snapshot

JAB Acquisition Corp I - Class A Ordinary Shares, par value $0.0001 per share (JABRU) Institutional Ownership

CUSIP: G50004129

13F Institutional Holders and Ownership History for Q2 2026

Latest Period

Q2 2026

Institutions Reporting

38

Shares (Excl. Options)

15,672,106

Price

$10.03

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+15,325,456
Value change
+$153,669,330
Number of holders
38
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
18,622,159
SEC-reported price per share
$10.08
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • JABRU - JAB Acquisition Corp I - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G50004129.
  • 38 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Latest quarter on this page is Q2 2026.
  • Additional quarter-over-quarter change detail appears as history expands.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 38 institutions filings for Q2 2026.

Open SEC evidence

Security key

G50004129

Latest holder period

Q2 2026

13F holders

38

13D/G owners

5

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
JABRU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
HIGHBRIDGE CAPITAL MANAGEMENT LLC 8.8% $16,518,600 1,638,750 Highbridge Capital Management, LLC 30 Jun 2026
Feis Equities LLC 7% 1,206,199 Feis Equities LLC 10 Jun 2026
MIZUHO FINANCIAL GROUP INC 6.6% $10,197,543 1,011,661 Mizuho Financial Group, Inc. 30 Jun 2026
Decagon Asset Management LLP 5.3% $9,152,640 908,000 Decagon Asset Management LLP 30 Jun 2026
ARISTEIA CAPITAL, L.L.C. 5.2% $9,072,000 900,000 Aristeia Capital, L.L.C. 30 Jun 2026

As of 30 Jun 2026, 38 institutional investors reported holding 15,672,106 shares of JAB Acquisition Corp I - Class A Ordinary Shares, par value $0.0001 per share (JABRU). This represents 84% of the company’s total 18,622,159 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
77%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
HIGHBRIDGE CAPITAL MANAGEMENT LLC 8.8% 1,638,750 0.56% $16,444,856
MIZUHO SECURITIES USA LLC 5.4% 1,011,661 0.15% $10,086,260
Decagon Asset Management LLP 4.9% 908,000 1.8% $9,107,240
ARISTEIA CAPITAL, L.L.C. 4.8% 900,000 0.14% $9,027,000
Magnetar Financial LLC 4.8% 900,000 0.08% $9,027,000
Harraden Circle Investments, LLC 4.8% 900,000 1.2% $9,027,000
Shaolin Capital Management LLC 3.9% 735,318 0.69% $7,375,240
Crossingbridge Advisors, LLC 3.9% 725,000 1.3% $7,271,750
HEIGHTS CAPITAL MANAGEMENT, INC 3.8% 700,000 1.6% $7,021,000
WOLVERINE ASSET MANAGEMENT LLC 3.3% 615,000 0.08% $6,168,450
BOOTHBAY FUND MANAGEMENT, LLC 2.8% 525,267 0.1% $5,268,428
MANGROVE PARTNERS IM, LLC 2.4% 450,000 0.3% $4,513,500
AQR Arbitrage LLC 2.2% 403,350 0.06% $4,045,601
WHITEBOX ADVISORS LLC 2.1% 400,000 0.06% $4,012,000
First Trust Capital Management L.P. 2.1% 400,000 0.23% $4,012,000
BERKLEY W R CORP 2.1% 397,720 0.2% $3,989,132
MMCAP International Inc. SPC 1.9% 350,000 0.3% $3,510,500
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.9% 350,000 0.17% $3,517,500
BNP PARIBAS FINANCIAL MARKETS 1.9% 346,650 0% 0% $3,476,900
Radcliffe Capital Management, L.P. 1.8% 337,400 0.26% $3,384,122
Polar Asset Management Partners Inc. 1.6% 300,000 0.06% $3,009,000
Meteora Capital, LLC 1.5% 272,319 0.23% $2,731,360
TWO SIGMA INVESTMENTS, LP 1.5% 271,875 0% $2,726,906
Periscope Capital Inc. 1.3% 236,000 0.38% $2,367,080
Parallax Volatility Advisers, L.P. 1.2% 226,770 0.09% $2,274,503

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
1
Latest
Q2 2026
Rows shown
1-1 of 1
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 15,672,106 $157,146,230 +$153,669,330 $10.03 38
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