As of November 10, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of Sizzle Acquisition Corp. II. The largest reported stake is W. R. Berkley Corporation's, at 8.4%. 10 filings are on record since August 8, 2025 (Schedule 13G, November 9, 2026).
Sell to companies like Sizzle Acquisition Corp. II? Enter your website and see 10 with a filed reason to buy from you this month. Free.
Opens in a new tab. No signup.
Key facts
- · Reporting person: W. R. Berkley Corporation · Sole voting: 0 · Shared voting: 1,972,143 · Sole dispositive: 0 · Shared dispositive: 1,972,143 · SCHEDULE 13G, 2026-11-09
- · Reporting person: Westchester Capital Management, LLC · Sole voting: 80,354 · Shared voting: 1,090,953 · Sole dispositive: 80,354 · Shared dispositive: 1,090,953 · SCHEDULE 13G/A, 2026-08-14
- · Reporting person: AQR Capital Management, LLC · Sole voting: 0 · Shared voting: 1,131,030 · Sole dispositive: 0 · Shared dispositive: 1,131,030 · SCHEDULE 13G/A, 2026-08-12
- · Reporting person: Barclays PLC · Sole voting: 990,000 · Shared voting: 0 · Sole dispositive: 990,000 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-02-11
- · Holder: Westchester Capital Management, LLC · Percent: 6.61% · SCHEDULE 13G
Sizzle Acquisition Corp. II has 10 Schedule 13D or 13G filings on record since 2025-08-08. 2 holders' latest filing reports 5% or more of class a ordinary shares, par value $0.0001 per share. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| W. R. Berkley Corporation | 8.4% | 1,972,143 | SCHEDULE 13G, 2026-11-09 | 2026-09-30 |
| Magnetar Financial LLC | 7.41% | 1,750,000 | SCHEDULE 13G, 2025-08-08 | 2025-06-30 |
| Westchester Capital Management, LLC | 4.96% | 1,171,307 | SCHEDULE 13G/A, 2026-08-14 | 2026-06-30 |
| AQR Capital Management, LLC | 4.79% | 1,131,030 | SCHEDULE 13G/A, 2026-08-12 | 2026-06-30 |
| Barclays PLC | 4.19% | 990,000 | SCHEDULE 13G/A, 2026-02-11 | 2025-12-31 |
Holding shares or following this stake? See who's behind Sizzle Acquisition Corp. II and the warning signs.
Free to see. No signup.
Keep reading
More on Sizzle Acquisition Corp. II and the records around it.
Companies that share a holder
- Westchester Capital Management, LLC also filed stake reports on 31 other companies: Lakeshore Acquisition III Corp. (Aug 2026), Tavia Acquisition Corp. (Aug 2026), White Pearl Acquisition Corp. (Aug 2026)
- W. R. Berkley Corporation also filed stake reports on 89 other companies: AA Mission Acquisition Corp. II (Nov 2026), AEON ACQUISITION I CORP. (Nov 2026), Agricultural & Natural Solutions Acquisition Corporation (Nov 2026)
- MAGNETAR FINANCIAL LLC also filed stake reports on 97 other companies: Blue Acquisition Corp. (Sep 2026), CENTURION ACQUISITION CORP. (Sep 2026), Churchill Capital Corp IX (Sep 2026)
Watch Sizzle Acquisition Corp. II
Get an email when Sizzle Acquisition Corp. II files again: a new raise, a leadership change, a layoff or an IPO filing. One email first to confirm; nothing else until you click it. At most one a day, one click to stop. Free for up to 3 companies.
Want the whole picture on Sizzle Acquisition Corp. II?
Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News
A Full Report on Sizzle Acquisition Corp. II: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Sizzle Acquisition Corp. II covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
13 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
Not ready to order yet? Keep this snapshot.
Sends this preview to you once; we won't add you to any list
Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| W. R. Berkley Corporation | 0 | 1,972,143 | 0 | 1,972,143 | SCHEDULE 13G, 2026-11-09 |
| Berkley Insurance Company | 0 | 1,972,143 | 0 | 1,972,143 | SCHEDULE 13G, 2026-11-09 |
| Westchester Capital Management, LLC | 80,354 | 1,090,953 | 80,354 | 1,090,953 | SCHEDULE 13G/A, 2026-08-14 |
| Westchester Capital Partners, LLC | 3,973 | 0 | 3,973 | 0 | SCHEDULE 13G/A, 2026-08-14 |
| Virtus Investment Advisers, LLC | 0 | 1,090,953 | 0 | 1,090,953 | SCHEDULE 13G/A, 2026-08-14 |
| The Merger Fund | 0 | 1,032,718 | 0 | 1,032,718 | SCHEDULE 13G/A, 2026-08-14 |
| AQR Capital Management, LLC | 0 | 1,131,030 | 0 | 1,131,030 | SCHEDULE 13G/A, 2026-08-12 |
| AQR Capital Management Holdings, LLC | 0 | 1,131,030 | 0 | 1,131,030 | SCHEDULE 13G/A, 2026-08-12 |
| AQR Arbitrage, LLC | 0 | 1,131,030 | 0 | 1,131,030 | SCHEDULE 13G/A, 2026-08-12 |
| Barclays PLC | 990,000 | 0 | 990,000 | 0 | SCHEDULE 13G/A, 2026-02-11 |
The latest filing identifies Sizzle Acquisition Corp. II by CUSIP G8193F109 and gives its principal executive office as 4201 Georgia Avenue NW, Albany, DC 20011 (SCHEDULE 13G, 2026-11-09).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-08-08 | Magnetar Financial LLC | 7.41% | SCHEDULE 13G |
| 2025-08-12 | Barclays PLC | 5.67% | SCHEDULE 13G |
| 2025-08-13 | AQR Capital Management, LLC | 6.6% | SCHEDULE 13G |
| 2025-11-12 | Barclays PLC | 6.9% | SCHEDULE 13G/A |
| 2025-11-12 | AQR Capital Management, LLC | 5.53% | SCHEDULE 13G/A |
| 2025-11-14 | Westchester Capital Management, LLC | 6.61% | SCHEDULE 13G |
| 2026-02-11 | Barclays PLC | 4.19% | SCHEDULE 13G/A |
| 2026-08-12 | AQR Capital Management, LLC | 4.79% | SCHEDULE 13G/A |
| 2026-08-14 | Westchester Capital Management, LLC | 4.96% | SCHEDULE 13G/A |
| 2026-11-09 | W. R. Berkley Corporation | 8.4% | SCHEDULE 13G |
Questions about who owns Sizzle Acquisition Corp. II
Who owns Sizzle Acquisition Corp. II?
On this page, 2 holders' latest ownership filings report 5% or more of Sizzle Acquisition Corp. II: W. R. Berkley Corporation (8.4%, Schedule 13G, filed 2026-11-09) and Magnetar Financial LLC (7.41%, Schedule 13G, filed 2025-08-08).
Who are the largest shareholders of Sizzle Acquisition Corp. II?
By the share each holder's latest filing reports, the largest holders of Sizzle Acquisition Corp. II on this page are W. R. Berkley Corporation (8.4%) and Magnetar Financial LLC (7.41%).
When did W. R. Berkley Corporation buy into Sizzle Acquisition Corp. II?
The filings give report dates, not purchase dates. The earliest filing from W. R. Berkley Corporation on this page is the Schedule 13G, filed 2026-11-09, reporting 8.4%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Also on the record for Sizzle Acquisition Corp. II
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| March 28, 2025 | IPO filing, Form S-1/A | — | IPO filings | Source |
| March 26, 2025 | IPO filing, Form S-1/A | — | IPO filings | Source |
| March 14, 2025 | IPO filing, Form S-1 | — | IPO filings | Source |
Tools for this story
Each opens in a new tab, filled in for Sizzle Acquisition Corp. II. With no account yet, you sign up free and land on the result.
Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.