Greenhaven Road Investment Management, L.P. In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 13, 2024), Greenhaven Road Investment Management, L.P. reported 14 stock positions worth $235.0 million . Its top holding was Par Technology (PAR) at 26.6% of the portfolio, followed by KKR (KKR, 15.5% ) and Cellebrite Di (CLBT, 14.9% ). Compared with Q2 2024, it opened 1 new position, sold out of 2, added to 7 and reduced 5. The biggest buy was a new position in Sable Offshore (SOC) and the biggest sale Par Technology (PAR, shares −8% ).
Location GREENWICH, CT
CIK 0001741129
Portfolio Value $235.0M (Q3 2024) Holdings 14 stocks · $235.0M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q2 2024 PAR Par Technology Corp. 1,200,374 $62.5M Reduce -8.3% KKR KKR & Co. Inc. 278,700 $36.4M Reduce -13.1% CLBT Cellebrite Di Ltd. 2,086,411 $35.1M Reduce -15.4% BUR Burford Capital Ltd. 1,622,622 $21.5M No change HGTY Hagerty Inc. Class A 1,508,448 $15.3M Add +27.9% LPX Louisiana-Pacific Corp. 141,117 $15.2M Add +27.6% ALTG Alta Equipment Group Inc. 1,794,066 $12.1M Add +7.8% SOC Sable Offshore Corp. 501,613 $11.9M New LFCR Lifecore Biomedical Inc. 2,228,784 $11.0M Add +0.6% APPS Digital Turbine Inc. 2,338,053 $7.2M Add +3.8% KWY Kingsway Corp. 509,291 $4.2M Add +1.2% MKTW Marketwise Inc. 3,522,682 $2.4M Reduce -17.9% MTRX Matrix Service Co. 15,685 $181K Reduce -1.9% RSSS Research Solutions Inc. 36,326 $99K Add +2.5%
Other holdings (1): bonds, preferreds, convertibles and warrants · $27K (not counted above) Security Class Shares / Principal Value Change JWSWF Jaws Mustang Acq C -CW26 *W EXP 01/30/202 1,170,817 $27K No change
Total filed on the 13F, all lines: $235.1M.
Portfolio Sells Q2 2024 → Q3 2024 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q2 2024 % Of Portfolio Change To Portfolio ▲ PAR Par Technology Corp. Reduce -8.3% 26.60% −3.38 MKTW Marketwise Inc. Reduce -17.9% 1.00% −1.42 KKR KKR & Co. Inc. Reduce -13.1% 15.48% −0.94 INVESCO QQQ TR Sold out 0.00% −0.13 SNES Senestech Inc. Sold out 0.00% −0.00 MTRX Matrix Service Co. Reduce -1.9% 0.08% −0.00 CLBT Cellebrite Di Ltd. Reduce -15.4% 14.95% +0.62
Portfolio Buys Q2 2024 → Q3 2024 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q2 2024 % Of Portfolio Change To Portfolio ▼ SOC Sable Offshore Corp. New 5.04% +5.04 LPX Louisiana-Pacific Corp. Add +27.6% 6.45% +2.02 APPS Digital Turbine Inc. Add +3.8% 3.05% +1.24 HGTY Hagerty Inc. Class A Add +27.9% 6.53% +0.56 RSSS Research Solutions Inc. Add +2.5% 0.04% −0.00 KWY Kingsway Corp. Add +1.2% 1.79% −0.22 LFCR Lifecore Biomedical Inc. Add +0.6% 4.68% −0.86 ALTG Alta Equipment Group Inc. Add +7.8% 5.14% −1.36
Notes & Other Activity Q2 2024 → Q3 2024 Security Class Change vs Q2 2024 Shares / Principal Value ▼ CLBTW Cellebrite Di Ltd. -CW23 *W EXP 99/99/999 Sold out 2,336,109 $6.8Mbefore exit HAGERTY INC *W EXP 12/02/202 Sold out 1,645,732 $3.4Mbefore exit
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 17 $154.0M HGTY, CLBT, KWY, LFCR, PAR Q1 2026 17 $145.4M HGTY, CLBT, KWY, ASTS, LFCR Q4 2025 15 $230.8M HGTY, PAR, LFCR, CLBT, KWY Q3 2025 Amended 15 $242.3M PAR, HGTY, CLBT, KKR, LFCR Q2 2025 18 $284.8M PAR, KKR, LFCR, CLBT, BUR Q1 2025 17 $243.2M PAR, CLBT, KKR, LFCR, BUR Q4 2024 16 $258.7M PAR, CLBT, KKR, LFCR, BUR Q3 2024 14 $235.0M PAR, KKR, CLBT, BUR, HGTY Q2 2024 15 $205.5M PAR, KKR, CLBT, BUR, ALTG Q1 2024 16 $227.4M PAR, KKR, CLBT, BUR, ALTG