Who owns FG Imperii Acquisition Corp. Class A Ordinary Shares (FGII)
Which tracked institutional funds hold FGII, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See FGII company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-08-14). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
11 tracked funds added or opened FGII while 5 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
FGII’s largest tracked holder by dollar value, Hudson Bay Capital Management LP, sizes it at 0.1% of its own reported 13F book, while the median holder sizes it at 0.1% of theirs — a 0.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in FGII divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 39 tracked filers holding FGII, 19 increased or opened the position and 8 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in FGII between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 9
- ARISTEIA CAPITAL, L.L.C.$10M
- MILLENNIUM MANAGEMENT LLC$8M
- RIVERNORTH CAPITAL MANAGEMENT, LLC$5M
- WHITEBOX ADVISORS LLC$4M
- PICTON MAHONEY ASSET MANAGEMENT$4M
- COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$3M
Full exits 3
- JPMORGAN CHASE & CO$9M
- GLAZER CAPITAL, LLC$7M
- METEORA CAPITAL, LLC$1M
Largest adds
- Schonfeld Strategic Advisors LLC$408K
- AQR Arbitrage LLC$309K
Largest trims
- Clear Street Group Inc.$2M
- Shaolin Capital Management LLC$792K
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Hudson Bay Capital Management LP | 1,948,264 | $19M | 9.8% | 2026-Q2 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,800,000 | $18M | 9.0% | 2026-Q2 |
| Linden Advisors LP | 1,500,000 | $15M | 7.5% | 2026-Q2 |
| AQR Arbitrage LLC added | 1,211,376 | $12M | 6.1% | 2026-Q2 |
| ARISTEIA CAPITAL, L.L.C. new | 1,000,000 | $10M | 5.0% | 2026-Q2 |
| BERKLEY W R CORP | 992,100 | $10M | 5.0% | 2026-Q2 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC added | 891,889 | $9M | 4.5% | 2026-Q2 |
| Shaolin Capital Management LLC trimmed | 810,678 | $8M | 4.1% | 2026-Q2 |
| Magnetar Financial LLC | 800,000 | $8M | 4.0% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC new | 800,000 | $8M | 4.0% | 2026-Q2 |
| Verition Fund Management LLC added | 755,600 | $8M | 3.8% | 2026-Q2 |
| BNP PARIBAS FINANCIAL MARKETS | 711,360 | $7M | 3.6% | 2026-Q2 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC new | 500,000 | $5M | 2.5% | 2026-Q2 |
| Radcliffe Capital Management, L.P. | 500,000 | $5M | 2.5% | 2026-Q2 |
| SONA ASSET MANAGEMENT (US) LLC | 473,433 | $5M | 2.4% | 2026-Q2 |
| WHITEBOX ADVISORS LLC new | 400,000 | $4M | 2.0% | 2026-Q2 |
| PICTON MAHONEY ASSET MANAGEMENT new | 399,998 | $4M | 2.0% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP | 362,500 | $4M | 1.8% | 2026-Q2 |
| Periscope Capital Inc. | 311,600 | $3M | 1.6% | 2026-Q2 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS new | 300,000 | $3M | 1.5% | 2026-Q2 |
| Schonfeld Strategic Advisors LLC added | 250,041 | $2M | 1.3% | 2026-Q2 |
| MOORE CAPITAL MANAGEMENT, LP | 200,000 | $2M | 1.0% | 2026-Q2 |
| DLD Asset Management, LP | 200,000 | $2M | 1.0% | 2026-Q2 |
| 683 Capital Management, LLC | 200,000 | $2M | 1.0% | 2026-Q2 |
| Bulldog Investors, LLP new | 150,000 | $1M | 0.8% | 2026-Q2 |
| Cable Car Capital, LP new | 150,000 | $1M | 0.8% | 2026-Q2 |
| Warberg Asset Management LLC trimmed | 149,908 | $1M | 0.8% | 2026-Q2 |
| Centiva Capital, LP | 100,000 | $993K | 0.5% | 2026-Q2 |
| Clear Street Group Inc. trimmed | 65,934 | $655K | 0.3% | 2026-Q2 |
| WOLVERINE ASSET MANAGEMENT LLC new | 61,536 | $611K | 0.3% | 2026-Q2 |
| HEIGHTS CAPITAL MANAGEMENT, INC new | 50,000 | $496K | 0.3% | 2026-Q2 |
| Tuttle Capital Management, LLC new | 35,000 | $348K | 0.2% | 2026-Q2 |
| ABC ARBITRAGE SA trimmed | 35,000 | $348K | 0.2% | 2026-Q2 |
| L1 Global Manager Pty Ltd | 25,000 | $248K | 0.1% | 2026-Q2 |
| ROBINSON CAPITAL MANAGEMENT, LLC new | 15,000 | $149K | 0.1% | 2026-Q2 |
| D. E. Shaw & Co., Inc. new | 13,545 | $135K | 0.1% | 2026-Q2 |
| BOOTHBAY FUND MANAGEMENT, LLC | 13,206 | $131K | 0.1% | 2026-Q2 |
| UBS Group AG new | 4,500 | $45K | 0.0% | 2026-Q2 |
| MORGAN STANLEY added | 41 | $407 | 0.0% | 2026-Q2 |
| JPMORGAN CHASE & CO new | 888,399 | $9M | 4.4% | 2026-Q1 stale (1 quarter behind) |
| GLAZER CAPITAL, LLC new | 750,006 | $7M | 3.7% | 2026-Q1 stale (1 quarter behind) |
| METEORA CAPITAL, LLC new | 126,612 | $1M | 0.6% | 2026-Q1 stale (1 quarter behind) |
| Kepos Capital LP new | 30,000 | $296K | 0.1% | 2026-Q1 stale (1 quarter behind) |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.