Greenhaven Road Investment Management, L.P. In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Greenhaven Road Investment Management, L.P. reported 15 stock positions worth $205.5 million . Its top holding was Par Technology (PAR) at 30.0% of the portfolio, followed by KKR (KKR, 16.4% ) and Cellebrite Di (CLBT, 14.3% ). Compared with Q1 2024, it opened 1 new position, sold out of 2, added to 6 and reduced 5. The biggest buy was Alta Equipment (ALTG, shares +88% ) and the biggest sale an exit from Barnes & Noble Education (BNED).
Location GREENWICH, CT
CIK 0001741129
Portfolio Value $205.5M (Q2 2024) Holdings 15 stocks · $205.5M 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 Q1 2024 PAR Par Technology Corp. 1,308,498 $61.6M Reduce -16.9% KKR KKR & Co. Inc. 320,700 $33.8M Reduce -9.8% CLBT Cellebrite Di Ltd. 2,465,045 $29.5M Reduce -6.5% BUR Burford Capital Ltd. 1,622,622 $21.2M No change ALTG Alta Equipment Group Inc. 1,663,453 $13.4M Add +88.0% HGTY Hagerty Inc. Class A 1,179,302 $12.3M No change LFCR Lifecore Biomedical Inc. 2,216,124 $11.4M Add +3.4% LPX Louisiana-Pacific Corp. 110,617 $9.1M Add +5.7% MKTW Marketwise Inc. 4,293,312 $5.0M Reduce -2.4% KWY Kingsway Corp. 503,395 $4.1M Add +24.8% APPS Digital Turbine Inc. 2,251,804 $3.7M Reduce -11.9% INVESCO QQQ TR 1,220 $271K No change MTRX Matrix Service Co. 15,983 $159K Add +1.5% RSSS Research Solutions Inc. 35,439 $90K Add +77.3% SNES Senestech Inc. 11,622 $7K New
Other holdings (3): bonds, preferreds, convertibles and warrants · $10.2M (not counted above) Security Class Shares / Principal Value Change CLBTW Cellebrite Di Ltd. -CW23 *W EXP 99/99/999 2,336,109 $6.8M Reduce -7.9% HAGERTY INC *W EXP 12/02/202 1,645,732 $3.4M Add +6.4% JWSWF Jaws Mustang Acq C -CW26 *W EXP 01/30/202 1,170,817 $117K No change
Total filed on the 13F, all lines: $215.8M.
Portfolio Sells Q1 2024 → Q2 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 Q1 2024 % Of Portfolio Change To Portfolio ▲ BNED Barnes & Noble Education Inc. Sold out 0.00% −1.67 PAR Par Technology Corp. Reduce -16.9% 29.98% −1.43 APPS Digital Turbine Inc. Reduce -11.9% 1.82% −1.13 MKTW Marketwise Inc. Reduce -2.4% 2.42% −0.92 MAMA Mama's Creations Inc. Sold out 0.00% −0.03 KKR KKR & Co. Inc. Reduce -9.8% 16.42% +0.69 CLBT Cellebrite Di Ltd. Reduce -6.5% 14.33% +1.49
Portfolio Buys Q1 2024 → Q2 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 Q1 2024 % Of Portfolio Change To Portfolio ▼ ALTG Alta Equipment Group Inc. Add +88.0% 6.51% +1.47 LPX Louisiana-Pacific Corp. Add +5.7% 4.43% +0.57 KWY Kingsway Corp. Add +24.8% 2.02% +0.54 LFCR Lifecore Biomedical Inc. Add +3.4% 5.53% +0.52 RSSS Research Solutions Inc. Add +77.3% 0.04% +0.02 SNES Senestech Inc. New 0.00% +0.00 MTRX Matrix Service Co. Add +1.5% 0.08% −0.01
Notes & Other Activity Q1 2024 → Q2 2024 Security Class Change vs Q1 2024 Shares / Principal Value ▼ CLBTW Cellebrite Di Ltd. -CW23 *W EXP 99/99/999 Reduce -7.9% 2,336,109 $6.8M HAGERTY INC *W EXP 12/02/202 Add +6.4% 1,645,732 $3.4M
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