Aristotle Capital Boston, LLC — 13F Holdings & Portfolio
CIK 1633911 · latest 13F-HR filed 2026-05-15
Aristotle Capital Boston, LLC manages $1.61B in 13F-reported U.S. long-equity assets across 122 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AEIS (3.04%), MTSI (2.85%), HASI (2.34%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 4, added to 21, and trimmed 81.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$1.61B
Long-equity book
122
Distinct positions
2026-03-31
Filed 2026-05-15
+1 / −4 / ↑21 / ↓81
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- PERELLA WEINBERG PARTNERS$14.0M +165.7%
- ADVANCED ENERGY INDS$9.5M +24.3%
- LITTELFUSE INC$4.3M +16.9%
- ACADIA HEALTHCARE COMPANY IN$3.7M +42.9%
- ARDMORE SHIPPING CORP$3.5M +32.7%
Top Trims
- DYCOM INDS INC-$30.2M -72.8%
- HURON CONSULTING GROUP INC-$18.3M -36.4%
- HAEMONETICS CORP MASS-$10.1M -34.1%
- ACI WORLDWIDE INC-$9.6M -26.1%
- AERCAP HOLDINGS NV-$8.3M -19.4%
Exited Positions
- ALIGHT INC$5.7M
- TITAN MACHY INC$2.3M
- NU SKIN ENTERPRISES INC$2.1M
- TREEHOUSE FOODS INC$699.7K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ADVANCED ENERGY INDS | AEIS | 007973100 | $48.9M | 3.04% | 151,391 | SH |
| 2 | MACOM TECH SOLUTIONS HLDGS I | MTSI | 55405Y100 | $45.8M | 2.85% | 206,116 | SH |
| 3 | HA SUSTAINABLE INFRA CAP INC | HASI | 41068X100 | $37.7M | 2.34% | 1,026,245 | SH |
| 4 | AERCAP HOLDINGS NV | AER | N00985106 | $34.5M | 2.14% | 251,561 | SH |
| 5 | ALAMOS GOLD INC | AGI | 011532108 | $33.9M | 2.10% | 759,020 | SH |
| 6 | HEALTHEQUITY INC | HQY | 42226A107 | $33.2M | 2.06% | 397,229 | SH |
| 7 | HURON CONSULTING GROUP INC | HURN | 447462102 | $31.9M | 1.98% | 249,912 | SH |
| 8 | LITTELFUSE INC | LFUS | 537008104 | $29.5M | 1.83% | 86,993 | SH |
| 9 | ACI WORLDWIDE INC | ACIW | 004498101 | $27.1M | 1.68% | 660,819 | SH |
| 10 | ITRON INC | ITRI | 465741106 | $26.3M | 1.63% | 292,844 | SH |
| 11 | MERIT MED SYS INC | MMSI | 589889104 | $26.1M | 1.62% | 377,580 | SH |
| 12 | KNOWLES CORP | KN | 49926D109 | $25.8M | 1.60% | 1,004,205 | SH |
| 13 | SCOTTS MIRACLE-GRO CO | SMG | 810186106 | $22.8M | 1.42% | 374,428 | SH |
| 14 | NATIONAL BK HLDGS CORP | NBHC | 633707104 | $22.8M | 1.41% | 581,191 | SH |
| 15 | PERELLA WEINBERG PARTNERS | PWP | 71367G102 | $22.4M | 1.39% | 1,233,458 | SH |
| 16 | BELDEN INC | BDC | 077454106 | $22.0M | 1.37% | 191,038 | SH |
| 17 | TKO GROUP HOLDINGS INC | TKO | 87256C101 | $21.7M | 1.35% | 107,470 | SH |
| 18 | BYLINE BANCORP INC | BY | 124411109 | $21.3M | 1.32% | 674,784 | SH |
| 19 | SILGAN HLDGS INC | SLGN | 827048109 | $20.9M | 1.30% | 536,977 | SH |
| 20 | STAG INDUSTRIAL INC | STAG | 85254J102 | $20.8M | 1.29% | 577,706 | SH |
| 21 | HEXCEL CORP NEW | HXL | 428291108 | $20.4M | 1.26% | 251,159 | SH |
| 22 | CHEMED CORP NEW | CHE | 16359R103 | $20.0M | 1.24% | 52,811 | SH |
| 23 | CUSTOMERS BANCORP INC | CUBI | 23204G100 | $19.7M | 1.23% | 284,407 | SH |
| 24 | NOVANTA INC | NOVT | 67000B104 | $19.6M | 1.22% | 165,939 | SH |
| 25 | HAEMONETICS CORP MASS | HAE | 405024100 | $19.5M | 1.21% | 346,386 | SH |
| 26 | MERCURY SYS INC | MRCY | 589378108 | $19.5M | 1.21% | 266,417 | SH |
| 27 | ATLANTIC UN BANKSHARES CORP | AUB | 04911A107 | $19.4M | 1.20% | 541,900 | SH |
| 28 | GUARDIAN PHARMACY SVCS INC | GRDN | 40145W101 | $18.7M | 1.16% | 495,856 | SH |
| 29 | VALVOLINE INC | VVV | 92047W101 | $18.5M | 1.15% | 548,983 | SH |
| 30 | BANKUNITED INC | BKU | 06652K103 | $18.4M | 1.14% | 407,414 | SH |
| 31 | CHARLES RIV LABS INTL INC | CRL | 159864107 | $16.8M | 1.04% | 97,434 | SH |
| 32 | PURSUIT ATTRACTIONS AND HOSP | PRSU | 92552R406 | $16.7M | 1.04% | 457,170 | SH |
| 33 | VOYA FINANCIAL INC | VOYA | 929089100 | $16.7M | 1.04% | 244,219 | SH |
| 34 | LIQUIDITY SVCS INC | LQDT | 53635B107 | $16.5M | 1.02% | 539,539 | SH |
| 35 | APTARGROUP INC | ATR | 038336103 | $16.5M | 1.02% | 130,508 | SH |
| 36 | KNIGHT-SWIFT TRANSN HLDGS IN | KNX | 499049104 | $16.5M | 1.02% | 285,525 | SH |
| 37 | BOX INC | BOX | 10316T104 | $16.4M | 1.02% | 695,549 | SH |
| 38 | EURONET WORLDWIDE INC | EEFT | 298736109 | $16.4M | 1.02% | 247,230 | SH |
| 39 | RANGE RES CORP | RRC | 75281A109 | $16.2M | 1.00% | 358,281 | SH |
| 40 | JAMES HARDIE INDS PLC | JHX | G4253H101 | $16.1M | 1.00% | 847,492 | SH |
| 41 | KBR INC | KBR | 48242W106 | $15.7M | 0.97% | 424,483 | SH |
| 42 | CASELLA WASTE SYS INC | CWST | 147448104 | $15.5M | 0.97% | 195,954 | SH |
| 43 | PRESTIGE CONSMR HEALTHCARE I | PBH | 74112D101 | $15.0M | 0.93% | 253,119 | SH |
| 44 | THE BALDWIN INSURANCE GRP IN | BWIN | 05589G102 | $15.0M | 0.93% | 682,060 | SH |
| 45 | GXO LOGISTICS INCORPORATED | GXO | 36262G101 | $14.9M | 0.93% | 287,018 | SH |
| 46 | BENCHMARK ELECTRS INC | BHE | 08160H101 | $14.9M | 0.92% | 265,417 | SH |
| 47 | WOLVERINE WORLD WIDE INC | WWW | 978097103 | $14.5M | 0.90% | 888,626 | SH |
| 48 | AGREE RLTY CORP | ADC | 008492100 | $14.4M | 0.90% | 191,357 | SH |
| 49 | ARDMORE SHIPPING CORP | ASC | Y0207T100 | $14.3M | 0.89% | 938,662 | SH |
| 50 | LKQ CORP | LKQ | 501889208 | $14.3M | 0.89% | 484,993 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $1.61B | 122 | 0001398344-26-009206 |
| 2025-12-31 | 2026-02-17 | $1.82B | 125 | 0001398344-26-003238 |
| 2025-09-30 | 2025-11-14 | $1.94B | 127 | 0001398344-25-020922 |