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Super Investors GRITSTONE ASSET MANAGEMENT LLC
GA

GRITSTONE ASSET MANAGEMENT LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$103M
Positions
195
Quarter ended
September 30, 2026
Filed
October 26, 2026

Reported portfolio value by quarter (12 quarters reported)

$105M $78.6M
Q4 22 Q3 23 Q2 25 Q1 26 Q3 26

$78.6M in Q4 2022 → $103M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Ares Capital Corp 8.3% Added 0.0% 447,203 $8.54M
AF Aldel Finl Ii Inc 4.1% Unchanged 394,214 $4.27M
AA Ares Acquisition Corp Iii 2.5% New 250,000 $2.53M
OA Oaktree Acquisition Corp Iii 2.0% Trimmed 51% 194,908 $2.1M
Rithm Acquisition Corp 2.0% Unchanged 197,598 $2.08M
RV Rre Ventures Acquisition Cor 1.9% Unchanged 200,000 $1.98M
SE Samos Energy Acquisition Cor 1.9% New 200,000 $1.97M
NA New Amer Acquisition I Corp 1.9% Unchanged 195,000 $1.96M
LD Lafayette Digital Acquisitio 1.7% Unchanged 175,000 $1.76M
KG K&F Growth Acquisition Corp 1.5% Unchanged 148,743 $1.59M
TC Talon Cap Corp 1.5% Unchanged 150,000 $1.53M
Leapfrog Acquisition Corp 1.5% Unchanged 150,000 $1.51M
LO Live Oak Acquisition Corp Vi 1.5% New 150,000 $1.5M
SV Stellar V Cap Corp 1.4% Unchanged 133,770 $1.43M
Highview Merger Corp 1.3% Unchanged 127,021 $1.3M
SC Solarius Capital Acqu Corp 1.3% Unchanged 125,000 $1.29M
OB Oxley Bridge Acq Ltd 1.2% Unchanged 124,293 $1.29M
Otg Acquisition Corp. I 1.2% Unchanged 125,000 $1.28M
IE Infinite Eagle Acquisition C 1.2% Trimmed 29% 125,000 $1.28M
CA Colombier Acquisition Corp I 1.2% Unchanged 125,000 $1.28M
AE Alussa Energy Acquisit Corp 1.2% Unchanged 125,000 $1.27M
Bluerock Acquisition Corp 1.2% Unchanged 125,000 $1.27M
SV Silicon Vy Acquisition Corp 1.2% Unchanged 125,000 $1.27M
LC Launchpad Cadenza Acqu Corp 1.2% Unchanged 125,000 $1.26M
GH Gores Holdings Xi Inc 1.2% New 125,000 $1.25M
AA Ampercap Acquisition Co 1.2% New 124,988 $1.24M
Kpet Ultra Paceline Corp 1.2% New 121,280 $1.21M
A4 Aldabra 4 Lqdty Opp Veh Inc 1.2% Unchanged 118,214 $1.19M
Galata Acquisition Corp Ii 1.1% Unchanged 106,256 $1.08M
GA Gesher Acquisition Corp. Ii 1.0% Unchanged 98,832 $1.04M
Titan Acquisition Corp 1.0% Unchanged 98,764 $1.04M
Sizzle Acquisition Corp. Ii 1.0% Unchanged 98,992 $1.04M
Berto Acquisition Corp 1.0% Unchanged 98,853 $1.03M
Republic Digital Acquisition 1.0% Unchanged 98,850 $1.03M
JA Jena Acquisition Corp Ii 1.0% Unchanged 98,857 $1.03M
Wen Acquisition Corp 1.0% Unchanged 98,857 $1.03M
EV Eqv Ventures Ac Corp. Ii 1.0% Unchanged 98,865 $1.02M
DS Daedalus Spl Acquisition Cor 1.0% Unchanged 100,000 $1.01M
AE Activate Energy Acquisit Cor 1.0% Unchanged 100,000 $1.01M
VH Vine Hill Cap Invts Corp Ii 1.0% Unchanged 100,000 $1.01M
AH Acp Holdings Acquisition Cor 1.0% New 100,000 $1.01M
Cambridge Acquisition Corp 1.0% Unchanged 100,000 $1M
PA Pinnacle Acquisition Corp 1.0% New 100,000 $1M
Krakacquisition Corporation 1.0% Unchanged 100,000 $1M
KC Kensington Cap Acquisition 1.0% Trimmed 0.3% 99,716 $1M
BA Bluerock Acquisition Corp Ii 1.0% New 100,000 $999K
HC Hennessy Cap Invts Corp Viii 1.0% Unchanged 100,000 $998K
ET Energy Transition Spl Opport 1.0% New 100,000 $996K
LA Leaders Advantage Acquisitio 1.0% New 100,000 $996K
Patriot Acquisition Corp 1.0% New 100,000 $996K
Irenic Acquisition Corp 1.0% New 100,000 $995K
Rmg Ml Sports Holdings 1.0% New 100,000 $986K
SR Snow Rothschild Acquisition 1.0% New 100,000 $983K
CG Cartesian Growth Corp Iv 1.0% New 100,000 $981K
BT B&R Technology Merger Corp 1.0% New 100,000 $981K
Long Table Growth Corp 0.9% New 90,000 $899K
BA Burtech Acquisition Corp Ii 0.8% New 87,208 $875K
CH Crane Hbr Acquisition Corp I 0.7% Unchanged 75,000 $758K
Safeguard Acquisition Corp 0.7% Unchanged 75,000 $758K
GP General Purp Acquisition Cor 0.7% Unchanged 75,000 $756K

Showing top 60 of 195 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 26, 2026

Company Action Shares changed Value of change % of portfolio
AA Ares Acquisition Corp Iii New +250,000 +$2.53M 2.5%
AA Ares Acquisition Corp Iii Exited −250,000 −$2.51M —
OA Oaktree Acquisition Corp Iii Trimmed −200,000 −$2.16M 2.0%
Bold Eagle Acquisition Corp Exited −194,488 −$2.08M —
Artius Ii Acquisition Inc Exited −197,656 −$2.07M —
HC Hennessy Cap Invt Corp Vii Exited −197,899 −$2.07M —
SE Samos Energy Acquisition Cor New +200,000 +$1.97M 1.9%
LT Launch Two Acquisition Corp. Exited −146,820 −$1.57M —
LO Live Oak Acquisition Corp Vi New +150,000 +$1.5M 1.5%
NI Newhold Invt Corp Iii Exited −123,541 −$1.35M —

Showing the 10 largest of 89 changes.

Q2 2026

quarter ended June 30, 2026 · filed August 06, 2026

Company Action Shares changed Value of change % of portfolio
Ares Capital Corp New +447,088 +$8.28M 8.0%
Lionheart Holdings Exited −291,012 −$3.13M —
Centurion Acquisition Corp Exited −290,988 −$3.13M —
IE Infinite Eagle Acquisition C Exited −300,000 −$3.05M —
AA Ares Acquisition Corp Iii New +250,000 +$2.51M 2.4%
RV Rre Ventures Acquisition Cor New +200,000 +$1.97M 1.9%
Graf Global Corp Exited −174,665 −$1.87M —
IE Infinite Eagle Acquisition C New +175,000 +$1.77M 1.7%
LD Lafayette Digital Acquisitio New +175,000 +$1.74M 1.7%
LD Lafayette Digital Acquisitio Exited −175,000 −$1.74M —

Showing the 10 largest of 91 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 05, 2026

Company Action Shares changed Value of change % of portfolio
Ares Capital Corp Exited −446,855 −$9.04M —
EV Eqv Ventures Acquisition Cor Exited −402,722 −$4.22M —
IE Infinite Eagle Acquisition C New +300,000 +$3.05M 3.3%
VH Vine Hill Cap Invt Corp. Exited −196,935 −$2.12M —
IP Inflection Point Acquisition Exited −196,794 −$2.11M —
NA New Amer Acquisition I Corp Exited −195,000 −$2.03M —
CC Churchill Capital Corp Ix Exited −186,560 −$1.98M —
NA New Amer Acquisition I Corp New +195,000 +$1.95M 2.1%
LD Lafayette Digital Acquisitio New +175,000 +$1.74M 1.9%
CH Crane Hbr Acquisition Corp Exited −149,140 −$1.61M —

Showing the 10 largest of 87 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 23, 2026

Company Action Shares changed Value of change % of portfolio
CC Churchill Capital Corp Ix Trimmed −260,000 −$2.76M 1.9%
Andretti Acquisition Corp Ii Exited −238,790 −$2.5M —
Silverbox Corp Iv Exited −209,806 −$2.2M —
NA New Amer Acquisition I Corp New +195,000 +$2.03M 1.9%
ML Mountain Lake Acquisition Co Exited −166,867 −$1.72M —
TC Talon Cap Corp New +150,000 +$1.52M 1.4%
TC Talon Cap Corp Exited −150,000 −$1.51M —
Leapfrog Acquisition Corp New +150,000 +$1.5M 1.4%
Highview Merger Corp Exited −127,021 −$1.29M —
Highview Merger Corp New +127,021 +$1.27M 1.2%

Showing the 10 largest of 67 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 04, 2025

Company Action Shares changed Value of change % of portfolio
MA M3brigade Acquisition V Corp Exited −406,203 −$4.59M —
Dynamix Corp Exited −250,000 −$2.55M —
Willow Lane Acquisition Corp Exited −199,327 −$2.04M —
HI Hcm Ii Acquisition Corp Exited −173,847 −$1.93M —
TC Talon Cap Corp New +150,000 +$1.51M 1.6%
DB D. Boral Arc Acq I Corp. New +150,000 +$1.49M 1.5%
Highview Merger Corp New +127,021 +$1.29M 1.3%
Otg Acquisition Corp. I New +125,000 +$1.26M 1.3%
SC Solarius Capital Acqu Corp New +125,000 +$1.25M 1.3%
OB Oxley Bridge Acq Ltd New +124,293 +$1.24M 1.3%

Showing the 10 largest of 154 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 25, 2025

Company Action Shares changed Value of change % of portfolio
Gp-act Iii Acquisition Corp Exited −439,911 −$4.53M —
Dynamix Corp New +250,000 +$2.55M 2.5%
Dynamix Corp Exited −250,000 −$2.52M —
Gsr Iii Acquisition Corp Exited −199,330 −$2.05M —
Rithm Acquisition Corp New +200,000 +$2.04M 2.0%
HC Hennessy Cap Invt Corp Vii New +200,000 +$2.03M 2.0%
Artius Ii Acquisition Inc New +200,000 +$2.02M 2.0%
Rithm Acquisition Corp Exited −200,000 −$2.02M —
HC Hennessy Cap Invt Corp Vii Exited −200,000 −$2.01M —
Artius Ii Acquisition Inc Exited −200,000 −$2.01M —

Showing the 10 largest of 87 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
AA Ares Acquisition Corp Ii Exited −577,668 −$6.34M —
AF Aldel Finl Ii Inc New +399,094 +$4.03M 4.2%
AF Aldel Finl Ii Inc Exited −400,468 −$4.03M —
NE Nabors Energy Transition Cor Exited −335,170 −$3.62M —
Bold Eagle Acquisition Corp Added +323,525 +$3.28M 4.2%
Bold Eagle Acquisition Corp Exited −324,863 −$3.27M —
Rithm Acquisition Corp New +200,000 +$2.02M 2.1%
HC Hennessy Cap Invt Corp Vii New +200,000 +$2.01M 2.1%
Artius Ii Acquisition Inc New +200,000 +$2.01M 2.1%
Willow Lane Acquisition Corp New +199,327 +$2M 2.1%

Showing the 10 largest of 104 changes.

Q4 2024

quarter ended December 31, 2024 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Ares Capital Corp New +446,479 +$9.77M 10.3%
CC Churchill Capital Corp Ix New +640,443 +$6.6M 7.0%
AA Ares Acquisition Corp Ii Trimmed −417,374 −$4.58M 6.7%
Gp-act Iii Acquisition Corp New +441,403 +$4.48M 4.7%
MA M3brigade Acquisition V Corp New +407,572 +$4.1M 4.3%
EV Eqv Ventures Acquisition Cor New +408,918 +$4.08M 4.3%
AF Aldel Finl Ii Inc New +400,468 +$4.03M 4.3%
OA Oaktree Acquisition Corp Iii New +400,000 +$3.98M 4.2%
Bold Eagle Acquisition Corp New +324,863 +$3.27M 3.5%
Israel Acquisitions Corp Exited −298,524 −$3.15M —

Showing the 10 largest of 193 changes.

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