Who owns PAACU
Which tracked institutional funds hold PAACU, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See PAACU company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-15). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
Conviction spread
PAACU’s largest tracked holder by dollar value, Polar Asset Management Partners Inc., sizes it at 0.4% of its own reported 13F book, while the median holder sizes it at 0.1% of theirs — a 0.2pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in PAACU 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
Only one quarter (2026-Q1) of 13F history is available — a quarter-over-quarter accumulation delta needs two.
We do not publish a positioning read for a window we cannot measure honestly. A starting question, not a verdict.
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.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Polar Asset Management Partners Inc. new | 1,200,000 | $12M | 9.5% | 2026-Q1 |
| ARISTEIA CAPITAL, L.L.C. new | 1,040,000 | $10M | 8.2% | 2026-Q1 |
| Magnetar Financial LLC new | 1,000,000 | $10M | 7.9% | 2026-Q1 |
| Linden Advisors LP new | 1,000,000 | $10M | 7.9% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC new | 843,500 | $8M | 6.7% | 2026-Q1 |
| LMR Partners LLP new | 650,000 | $7M | 5.1% | 2026-Q1 |
| GLAZER CAPITAL, LLC new | 649,860 | $6M | 5.1% | 2026-Q1 |
| Tekne Capital Management, LLC new | 500,000 | $5M | 4.0% | 2026-Q1 |
| AQR Arbitrage LLC new | 440,059 | $4M | 3.5% | 2026-Q1 |
| BERKLEY W R CORP new | 397,720 | $4M | 3.1% | 2026-Q1 |
| Periscope Capital Inc. new | 350,000 | $3M | 2.8% | 2026-Q1 |
| WHITEBOX ADVISORS LLC new | 300,000 | $3M | 2.4% | 2026-Q1 |
| Context Capital Management, LLC new | 300,000 | $3M | 2.4% | 2026-Q1 |
| D. E. Shaw & Co., Inc. new | 300,000 | $3M | 2.4% | 2026-Q1 |
| Khan Imran new | 292,500 | $3M | 2.3% | 2026-Q1 |
| OMERS ADMINISTRATION Corp new | 260,000 | $3M | 2.1% | 2026-Q1 |
| Kryger Capital LLC new | 251,253 | $3M | 2.0% | 2026-Q1 |
| Proem Advisors LLC new | 242,924 | $2M | 1.9% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP new | 235,624 | $2M | 1.9% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS new | 209,941 | $2M | 1.7% | 2026-Q1 |
| Lineage Point Capital LP new | 200,000 | $2M | 1.6% | 2026-Q1 |
| Clear Street Group Inc. new | 181,914 | $2M | 1.4% | 2026-Q1 |
| Shaolin Capital Management LLC new | 175,000 | $2M | 1.4% | 2026-Q1 |
| Ghisallo Capital Management LLC new | 150,000 | $1M | 1.2% | 2026-Q1 |
| Calamos Advisors LLC new | 148,010 | $1M | 1.2% | 2026-Q1 |
| Logan Stone Capital, LLC new | 125,000 | $1M | 1.0% | 2026-Q1 |
| Westchester Capital Management, LLC new | 122,188 | $1M | 1.0% | 2026-Q1 |
| CSS LLC/IL new | 119,542 | $1M | 0.9% | 2026-Q1 |
| BOOTHBAY FUND MANAGEMENT, LLC new | 100,000 | $1M | 0.8% | 2026-Q1 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC new | 100,000 | $1M | 0.8% | 2026-Q1 |
| Mint Tower Capital Management B.V. new | 100,000 | $1M | 0.8% | 2026-Q1 |
| Kepos Capital LP new | 100,000 | $1M | 0.8% | 2026-Q1 |
| Verition Fund Management LLC new | 100,000 | $998K | 0.8% | 2026-Q1 |
| DLD Asset Management, LP new | 75,000 | $751K | 0.6% | 2026-Q1 |
| Radcliffe Capital Management, L.P. new | 55,410 | $554K | 0.4% | 2026-Q1 |
| Warberg Asset Management LLC new | 51,500 | $515K | 0.4% | 2026-Q1 |
| Bulldog Investors, LLP new | 50,000 | $499K | 0.4% | 2026-Q1 |
| HEIGHTS CAPITAL MANAGEMENT, INC new | 48,200 | $481K | 0.4% | 2026-Q1 |
| StoneX Group Inc. new | 44,658 | $446K | 0.4% | 2026-Q1 |
| ABC ARBITRAGE SA new | 40,000 | $400K | 0.3% | 2026-Q1 |
| Virtu Financial LLC new | 38,801 | $387K | 0.3% | 2026-Q1 |
| Quarry LP new | 37,500 | $375K | 0.3% | 2026-Q1 |
| Tuttle Capital Management, LLC new | 15,000 | $150K | 0.1% | 2026-Q1 |
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.