Davidson Kempner Capital Management LP
Position in ONCH — 1RT Acquisition Corp.
CIK 1595082
New York, NY
Position in ONCH
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$256,250
+$2,750 QoQ
Shares Held
31,249
0.0% QoQ
Ownership
0.145%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#60
of 71 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ONCH Over Time
Shares Held
Position Value (USD)
Position in Shell Companies
Financial Services · as of Jun 30, 2026Davidson Kempner Capital Management LP holds $83,685,619 across 18 Shell Companies names. ONCH ranks #16 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BCSS |
Bain Capital GSS Investment Corp.
|
1,400,000 | $14,378,000 | |
| 2 | PCAP |
ProCap Acquisition Corp
|
1,324,576 | $10,212,480 | |
| 3 | DMII |
Drugs Made In America Acquisition II Corp.
|
2,000,000 | $10,060,000 | |
| 4 | MCGA |
Yorkville Acquisition Corp.
|
850,000 | $8,678,500 | |
| 5 | CEPF |
Cantor Equity Partners IV, Inc.
|
750,000 | $7,800,000 | |
| 6 | KBON |
Karbon Capital Partners Corp.
|
937,500 | $7,575,000 | |
| 7 | DSAC |
Daedalus Special Acquisition Corp.
|
625,000 | $5,045,000 | |
| 8 | BACC |
Blue Acquisition Corp/Cayman
|
459,832 | $4,874,219 |
All Filings in ONCH
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 ONCHW | — | 6,249 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $256,250 | 25,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 ONCHW | — | 6,249 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $253,500 | 25,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 ONCHW | — | 6,249 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $255,000 | 25,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 ONCHW | — | 6,249 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $261,250 | 25,000 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||