# PIONEER MERGER CORP (PACX)

> Institutional ownership reported to the SEC as of Q4 2022, from Form 13F filings. Source: https://holderbook.com/stocks/PACX/

- Reporting holders: 75
- Reported value: $359.3M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Alpha Wave Global, LP](https://holderbook.com/funds/1558858-alpha-wave-global-lp/) | $45.1M | 4,449,999 | 8.2% | 7 |
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $23.1M | 2,281,787 | 0.6% | 3 |
| [Bleichroeder LP](https://holderbook.com/funds/1781002-bleichroeder-lp/) | $21.5M | 2,125,000 | 4.7% | 7 |
| [BANK OF MONTREAL /CAN/](https://holderbook.com/funds/927971-bank-of-montreal-can/) | $18.4M | 1,809,998 | 0.0% | 7 |
| [Weiss Asset Management LP](https://holderbook.com/funds/1357550-weiss-asset-management-lp/) | $17.5M | 1,722,140 | 0.1% | 7 |
| [Sculptor Capital LP](https://holderbook.com/funds/1054587-sculptor-capital-lp/) | $17.2M | 1,695,754 | 0.3% | 8 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $16.9M | 1,669,148 | 0.0% | 7 |
| [HSBC HOLDINGS PLC](https://holderbook.com/funds/873630-hsbc-holdings-plc/) | $16.3M | 1,609,775 | 0.0% | 7 |
| [CHAI TRUST CO LLC](https://holderbook.com/funds/1250731-chai-trust-co-llc/) | $13.7M | 1,350,000 | 1.9% | 5 |
| [ARISTEIA CAPITAL LLC](https://holderbook.com/funds/1080171-aristeia-capital-llc/) | $11.1M | 1,099,228 | 0.2% | 7 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $10.6M | 1,046,364 | 0.3% | 7 |
| [NOMURA HOLDINGS INC](https://holderbook.com/funds/1163653-nomura-holdings-inc/) | $10.5M | 1,034,315 | 0.0% | 8 |
| [BANK OF AMERICA CORP /DE/](https://holderbook.com/funds/70858-bank-of-america-corp-de/) | $10.1M | 1,000,000 | 0.0% | 8 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $9.7M | 959,460 | 0.1% | 8 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $7.1M | 700,722 | 0.2% | 8 |
| [Taconic Capital Advisors LP](https://holderbook.com/funds/1390113-taconic-capital-advisors-lp/) | $7.1M | 699,432 | 0.2% | 8 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $7.0M | 688,213 | 0.2% | 8 |
| [KRYGER CAPITAL Ltd](https://holderbook.com/funds/1911807-kryger-capital-ltd/) | $6.3M | 625,469 | 1.0% | 5 |
| [COWEN AND COMPANY, LLC](https://holderbook.com/funds/48966-cowen-and-company-llc/) | $6.3M | 625,000 | 0.7% | 4 |
| [Balyasny Asset Management LLC](https://holderbook.com/funds/1218710-balyasny-asset-management-llc/) | $5.6M | 552,898 | 0.0% | 8 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $5.6M | 552,302 | 0.1% | 8 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $5.0M | 489,798 | 0.0% | 6 |
| [BANK OF NOVA SCOTIA](https://holderbook.com/funds/9631-bank-of-nova-scotia/) | $4.9M | 482,819 | 0.0% | 4 |
| [Bulldog Investors, LLP](https://holderbook.com/funds/1504304-bulldog-investors-llp/) | $4.7M | 461,643 | 1.4% | 1 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://holderbook.com/funds/1165408-adage-capital-partners-gp-l-l-c/) | $3.5M | 350,000 | 0.0% | 8 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2022 | 75 | $359.3M |
| Q3 2022 | 91 | $361.1M |
| Q2 2022 | 95 | $366.0M |
| Q1 2022 | 95 | $350.0M |
| Q4 2021 | 90 | $357.4M |
| Q3 2021 | 79 | $322.4M |
| Q2 2021 | 74 | $297.7M |
| Q1 2021 | 51 | $138.4M |