PIONEER ACQUISITION I-CL A PACH
$10.26
+0.2% 52w: $9.94 – $10.26
Latest 13F among current holders filed 1 month ago (May 18, 2026)
Price — last 12 months
research preview data9.9410.1010.26
Aug 15, 2025 Jul 2, 2026
Institutional holders
61
+2 QoQ
13F value
$226.2M
+3.5% QoQ
Smart-money holders
14
signal tier ≥ 2
New smart buyers
3
Q1 2026
Institutional value by quarter
Number of holders
Who owns PACH?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Westchester Capital Management, LLC | Other | 1.3M | $12.8M | 0.6% | +208.0% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 1.3M | $12.7M | 0.0% | Held |
| GLAZER CAPITAL, LLC | Quant stat arb | 1.2M | $12.3M | 0.3% | +15.2% |
| Magnetar Financial LLC | Quant stat arb | 1.0M | $10.2M | 0.1% | Held |
| Linden Advisors LP | Other | 1.0M | $10.2M | 0.5% | Held |
| AQR Arbitrage LLC | Other | 948.4K | $9.6M | 0.2% | -3.7% |
| Wealthspring Capital LLC ★2 | Fundamental diversified | 841.5K | $8.5M | 2.0% | -1.0% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 797.5K | $8.1M | 0.0% | Held |
| MMCAP International Inc. SPC ★2 | Fundamental diversified | 750.0K | $7.6M | 0.7% | Held |
| WOLVERINE ASSET MANAGEMENT LLC | Market maker | 702.8K | $7.1M | 0.3% | +37.1% |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Diversified mechanical | 650.0K | $6.6M | 0.0% | Held |
| Radcliffe Capital Management, L.P. | Quant stat arb | 629.2K | $6.4M | 0.7% | Held |
| TENOR CAPITAL MANAGEMENT Co., L.P. | Other | 600.0K | $6.1M | 0.4% | Held |
| Verition Fund Management LLC | Multistrat pod | 525.6K | $5.3M | 0.1% | -3.4% |
| Karpus Management, Inc. | Other | 502.0K | $5.1M | 0.2% | +4.3% |
| Alberta Investment Management Corp | Other | 500.0K | $5.1M | 0.0% | Held |
| Jain Global LLC | Quant stat arb | 500.0K | $5.1M | 0.1% | 0.0% |
| Shaolin Capital Management LLC | Other | 500.0K | $5.1M | 0.4% | Held |
| First Trust Capital Management L.P. | Quant stat arb | 500.0K | $5.1M | 0.3% | Held |
| PICTON MAHONEY ASSET MANAGEMENT | Other | 500.0K | $5.1M | 0.1% | Held |
| MANGROVE PARTNERS IM, LLC | Quant stat arb | 450.0K | $4.6M | 0.4% | Held |
| OMERS ADMINISTRATION Corp | Other | 440.0K | $4.5M | 0.0% | Held |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | Diversified mechanical | 400.0K | $4.1M | 0.0% | Held |
| ARISTEIA CAPITAL, L.L.C. | Quant stat arb | 400.0K | $4.1M | 0.2% | Held |
| Polar Asset Management Partners Inc. | Quant stat arb | 400.0K | $4.1M | 0.1% | -20.0% |
| Mint Tower Capital Management B.V. ★2 | Fundamental diversified | 400.0K | $4.1M | 0.8% | Held |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 348.5K | $3.5M | 0.0% | +13.0% |
| Periscope Capital Inc. | Other | 300.0K | $3.0M | 0.5% | -25.0% |
| WHITEBOX ADVISORS LLC | Other | 300.0K | $3.0M | 0.2% | Held |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 287.7K | $2.9M | 0.0% | +6.8% |
| Ghisallo Capital Management LLC | Quant stat arb | 250.0K | $2.5M | 0.1% | Held |
| O'Connor Alternative Investments LLC ★2 | Fundamental diversified | 250.0K | $2.5M | 0.2% | — |
| MOORE CAPITAL MANAGEMENT, LP | Fundamental diversified | 250.0K | $2.5M | 0.1% | Held |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | Other | 249.8K | $2.5M | 0.1% | Held |
| Hudson Bay Capital Management LP | Multistrat pod | 246.0K | $2.5M | 0.0% | Held |
| CSS LLC/IL | Other | 211.0K | $2.1M | 0.3% | -0.7% |
| TORONTO DOMINION BANK | Bank broker | 168.9K | $1.7M | 0.0% | +16.5% |
| TIG Advisors, LLC ★2 | Fundamental concentrated | 150.0K | $1.5M | 0.1% | Held |
| Context Capital Management, LLC ★2 | Fundamental diversified | 150.0K | $1.5M | 0.3% | Held |
| Clear Street Group Inc. | Other | 149.5K | $1.5M | 0.0% | -53.1% |
| BERKLEY W R CORP ★2 | Fundamental diversified | 148.7K | $1.5M | 0.1% | Held |
| DLD Asset Management, LP | Quant stat arb | 127.7K | $1.3M | 0.4% | Held |
| SONA ASSET MANAGEMENT (US) LLC ★2 | Fundamental diversified | 111.1K | $1.1M | 0.1% | New |
| Lineage Point Capital LP | Other | 106.8K | $1.1M | 0.3% | Held |
| Dakota Wealth Management | Other | 104.1K | $1.1M | 0.0% | -4.5% |
| HEIGHTS CAPITAL MANAGEMENT, INC | Quant stat arb | 100.0K | $1.0M | 0.3% | Held |
| Governors Lane LP ★2 | Fundamental diversified | 100.0K | $1.0M | 0.1% | Held |
| Parallax Volatility Advisers, L.P. | Quant stat arb | 94.4K | $961K | 0.0% | New |
| BOOTHBAY FUND MANAGEMENT, LLC | Diversified mechanical | 83.4K | $845K | 0.0% | Held |
| GRITSTONE ASSET MANAGEMENT LLC ★2 | Fundamental diversified | 69.3K | $702K | 0.7% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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