Nitorum Capital, L.P.
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Nitorum Capital, L.P. reported 27 stock positions worth $569.3 million. Its top holding was Martin Marietta Materials (MLM) at 8.8% of the portfolio, followed by Churchill Downs (CHDN, 8.0%) and Mannkind (MNKD, 6.2%). Compared with Q2 2025, it sold out of 1, added to 3 and reduced 24. The biggest buy was Dell Technologies -C (DELL, shares +2%) and the biggest sale an exit from Lantheus (LNTH).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001630243
- Portfolio Value
- $569.3M (Q3 2025)
- SEC Filing
- 0001630243-25-000016 ↗ filed Nov 14, 2025
Holdings Value
Holdings 27 stocks · $569.3M
| MLM Martin Marietta Materials | 8.81% | 79,535 | $50.1M | Reduce -12.4% |
| CHDN Churchill Downs Inc. | 7.97% | 467,808 | $45.4M | Add +5.4% |
| MNKD Mannkind Corp. | 6.19% | 6,561,465 | $35.2M | Reduce -6.4% |
| DELL Dell Technologies -C | 5.86% | 235,470 | $33.4M | Add +2.2% |
| RBA RB Global Inc. | 5.57% | 292,885 | $31.7M | Reduce -3.7% |
| FISV Fiserv Inc. | 4.44% | 196,224 | $25.3M | Reduce -3.7% |
| CNNE Cannae Holdings Inc. | 4.34% | 1,350,675 | $24.7M | Reduce -24.6% |
| BYD Boyd Gaming Corp. | 4.21% | 277,041 | $24.0M | Reduce -29.0% |
| LAUR Laureate Education Inc. | 3.86% | 696,522 | $22.0M | Reduce -8.9% |
| ICUI Icu Medical Inc. | 3.86% | 183,129 | $22.0M | Add +8.8% |
| PSMT Pricesmart Inc. | 3.72% | 174,942 | $21.2M | Reduce -18.4% |
| GNRC Generac Holdings Inc. | 3.42% | 116,454 | $19.5M | Reduce -33.1% |
| VMI Valmont Industries | 3.37% | 49,490 | $19.2M | Reduce -1.3% |
| FUN Six Flags Entertainment Corp. | 3.28% | 821,782 | $18.7M | Reduce -21.4% |
| UTHR United Therapeutics Corp. | 3.20% | 43,433 | $18.2M | Reduce -35.7% |
| FIS Fidelity National Info Serv | 3.18% | 274,535 | $18.1M | Reduce -26.6% |
| OSW Onespaworld Holdings Ltd. | 3.16% | 850,053 | $18.0M | Reduce -1.6% |
| PRMB Primo Brands Corp. | 3.13% | 807,547 | $17.8M | Reduce -34.3% |
| FCN Fti Consulting Inc. | 2.67% | 94,069 | $15.2M | Reduce -3.7% |
| WBS Webster Financial Corp. | 2.51% | 240,621 | $14.3M | Reduce -29.4% |
| GNTX Gentex Corp. | 2.31% | 464,777 | $13.2M | Reduce -3.7% |
| QGEN Qiagen N.V. | 2.04% | 259,586 | $11.6M | Reduce -15.8% |
| BRK.B Berkshire Hathaway Inc. Class B | 2.01% | 22,724 | $11.4M | Reduce -20.5% |
| CPRT Copart Inc. | 1.88% | 237,415 | $10.7M | Reduce -3.7% |
| MA Mastercard Inc. Class A | 1.75% | 17,465 | $9.9M | Reduce -3.7% |
| EVR Evercore Inc. Class A | 1.67% | 28,188 | $9.5M | Reduce -31.1% |
| EBAY eBay Inc. | 1.58% | 99,099 | $9.0M | Reduce -51.1% |
Portfolio Sells Q2 2025 → Q3 2025
| LNTH Lantheus Holdings Inc. | Sold out | 0.00% | −4.18 |
| PRMB Primo Brands Corp. | Reduce -34.3% | 3.13% | −2.26 |
| FUN Six Flags Entertainment Corp. | Reduce -21.4% | 3.28% | −1.44 |
| FIS Fidelity National Info Serv | Reduce -26.6% | 3.18% | −1.34 |
| CNNE Cannae Holdings Inc. | Reduce -24.6% | 4.34% | −1.19 |
| FISV Fiserv Inc. | Reduce -3.7% | 4.44% | −0.77 |
| EBAY eBay Inc. | Reduce -51.1% | 1.58% | −0.66 |
| BYD Boyd Gaming Corp. | Reduce -29.0% | 4.21% | −0.32 |
| GNRC Generac Holdings Inc. | Reduce -33.1% | 3.42% | −0.27 |
| WBS Webster Financial Corp. | Reduce -29.4% | 2.51% | −0.25 |
| QGEN Qiagen N.V. | Reduce -15.8% | 2.04% | −0.16 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -20.5% | 2.01% | −0.05 |
| EVR Evercore Inc. Class A | Reduce -31.1% | 1.67% | +0.03 |
| CPRT Copart Inc. | Reduce -3.7% | 1.88% | +0.08 |
| MA Mastercard Inc. Class A | Reduce -3.7% | 1.75% | +0.23 |
| UTHR United Therapeutics Corp. | Reduce -35.7% | 3.20% | +0.32 |
| FCN Fti Consulting Inc. | Reduce -3.7% | 2.67% | +0.33 |
| PSMT Pricesmart Inc. | Reduce -18.4% | 3.72% | +0.39 |
| OSW Onespaworld Holdings Ltd. | Reduce -1.6% | 3.16% | +0.54 |
| GNTX Gentex Corp. | Reduce -3.7% | 2.31% | +0.74 |
| RBA RB Global Inc. | Reduce -3.7% | 5.57% | +0.79 |
| VMI Valmont Industries | Reduce -1.3% | 3.37% | +0.94 |
| LAUR Laureate Education Inc. | Reduce -8.9% | 3.86% | +1.21 |
| MLM Martin Marietta Materials | Reduce -12.4% | 8.81% | +1.41 |
| MNKD Mannkind Corp. | Reduce -6.4% | 6.19% | +2.30 |
Portfolio Buys Q2 2025 → Q3 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 23 | $146.8M | MDY, DELL, MLM, RBA, RSP |
| Q1 2026 | 20 | $113.9M | MDY, MLM, DELL, RBA, CHDN |
| Q4 2025 | 25 | $452.4M | CHDN, MLM, MNKD, RBA, DELL |
| Q3 2025 | 27 | $569.3M | MLM, CHDN, MNKD, DELL, RBA |
| Q2 2025 | 28 | $674.3M | MLM, CHDN, CNNE, PRMB, FISV |
| Q1 2025 | 28 | $711.7M | PRMB, CHDN, MLM, MNKD, FISV |
| Q4 2024 | 26 | $869.6M | PRMB, CHDN, MLM, MNKD, FUN |
| Q3 2024 | 28 | $993.5M | CHDN, PRMW, MLM, MNKD, FISV |
| Q2 2024 | 27 | $917.3M | CHDN, MLM, PRMW, MNKD, FISV |
| Q1 2024 | 28 | $982.2M | CHDN, MLM, FIS, CNNE, PRMW |