Institutional Manager · CIK 0001964236
GRITSTONE ASSET MANAGEMENT LLC
Bethesda, MD · File #028-22852
Latest AUM
$104.8M
Positions
148
Top-10 Concentration
42.5%
Filings
6
Portfolio Value Over Time
2023-12
2025-03
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | CHURCHILL CAPITAL CORP IX | CCIXW | -260,000 | -$2.8M | +$66,984 |
| EXITED | ANDRETTI ACQUISITION CORP II | G26745102 | -238,790 | -$2.5M | $0 |
| EXITED | SILVERBOX CORP IV | G81354105 | -209,806 | -$2.2M | $0 |
| NEW | NEW AMER ACQUISITION I CORP | 023634207 | +195,000 | +$2.0M | $0 |
| EXITED | MOUNTAIN LAKE ACQUISITION CO | G6301B101 | -166,867 | -$1.7M | $0 |
| NEW | TALON CAP CORP | TLNCW | +150,000 | +$1.5M | $0 |
| EXITED | TALON CAP CORP | G86652115 | -150,000 | -$1.5M | $0 |
| NEW | LEAPFROG ACQUISITION CORP | LFACW | +150,000 | +$1.5M | $0 |
| EXITED | HIGHVIEW MERGER CORP | G4569C127 | -127,021 | -$1.3M | $0 |
| NEW | HIGHVIEW MERGER CORP | HVMCW | +127,021 | +$1.3M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025148 pos · $104.8M
- 13F HOLDINGS REPORTQ/E Sep 2025124 pos · $97.2M
- 13F HOLDINGS REPORTQ/E Jun 2025120 pos · $101.1M
- 13F HOLDINGS REPORTQ/E Mar 202587 pos · $94.4M
- 13F HOLDINGS REPORTQ/E Mar 202589 pos · $95.3M
- 13F HOLDINGS REPORTQ/E Dec 2023121 pos · $79.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ARES CAPITAL CORP | ARCC | 446,855 | $9.0M | 10.20% |
| 2 | EQV VENTURES ACQUISITION COR | G3106N109 | 402,722 | $4.2M | 4.77% |
| 3 | OAKTREE ACQUISITION CORP III | OACCW | 394,908 | $4.2M | 4.71% |
| 4 | ALDEL FINL II INC | G01558108 | 394,214 | $4.1M | 4.67% |
| 5 | BOLD EAGLE ACQUISITION CORP | BEAGU | 344,488 | $3.6M | 4.11% |
| 6 | CENTURION ACQUISITION CORP | ALFUW | 290,988 | $3.1M | 3.50% |
| 7 | LIONHEART HOLDINGS | CUBWW | 291,012 | $3.1M | 3.49% |
| 8 | VINE HILL CAP INVT CORP. | G93Y09107 | 196,935 | $2.1M | 2.39% |
| 9 | INFLECTION POINT ACQUISITION | G1169T104 | 196,794 | $2.1M | 2.38% |
| 10 | RITHM ACQUISITION CORP | RAC-WT | 197,598 | $2.1M | 2.32% |
| 11 | HENNESSY CAP INVT CORP VII | G4405D107 | 197,899 | $2.0M | 2.31% |
| 12 | ARTIUS II ACQUISITION INC | AACBU | 197,656 | $2.0M | 2.30% |
| 13 | NEW AMER ACQUISITION I CORP | 023634207 | 195,000 | $2.0M | 2.29% |
| 14 | CHURCHILL CAPITAL CORP IX | CCIXW | 186,560 | $2.0M | 2.24% |
| 15 | GRAF GLOBAL CORP | GRAF-WT | 174,665 | $1.9M | 2.12% |
| 16 | CRANE HBR ACQUISITION CORP | CR | 149,140 | $1.6M | 1.81% |
| 17 | LAUNCH TWO ACQUISITION CORP. | LPBBW | 146,820 | $1.5M | 1.74% |
| 18 | K&F GROWTH ACQUISITION CORP | KFIIU | 148,743 | $1.5M | 1.74% |
| 19 | TALON CAP CORP | TLNCW | 150,000 | $1.5M | 1.71% |
| 20 | D. BORAL ARC ACQ I CORP. | G2616F101 | 150,000 | $1.5M | 1.70% |