Aristotle Capital Boston, LLC
Long book
$1.61B
Q1 2026
Positions
122
Top-10 weight
22%
concentration
Last quarter
+13.3%
SPY +14.8%
Turnover
4%
of book per quarter
Strategy in plain words
auto-generated from filingsAristotle Capital Boston, LLC is an institutional manager, running a $1.61B US long book across 122 positions.
The portfolio is broadly diversified across 122 positions (top 10 only 22%). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: ADVANCED ENERGY INDUSTRIES, MACOM TECHNOLOGY SOLUTIONS H, HA SUSTAINABLE INFRASTRUCTUR, AERCAP HOLDINGS NV, ALAMOS GOLD INC-CLASS A.
Over the last 9 quarters its long book ran on average 1.9pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-1.7%
Q2 2024
+8.2%
Q3 2024
-0.8%
Q4 2024
-7.0%
Q1 2025
+3.6%
Q2 2025
+3.5%
Q3 2025
+2.7%
Q4 2025
+1.8%
Q1 2026
+13.3%
Sector allocation
Financials 21%
Industrials 17%
Technology 15%
Services media 15%
Healthcare 11%
Other 7%
Materials 5%
Energy 4%
Long book by quarter
What does Aristotle Capital own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| AEIS ADVANCED ENERGY INDUSTRIES | Technology | 151.4K | $48.9M | 3.0% | -19.4% |
| MTSI MACOM TECHNOLOGY SOLUTIONS H | Technology | 206.1K | $45.8M | 2.8% | -19.6% |
| HASI HA SUSTAINABLE INFRASTRUCTUR | Financials | 1.0M | $37.7M | 2.3% | -13.8% |
| AER AERCAP HOLDINGS NV | Services media | 251.6K | $34.5M | 2.1% | -15.6% |
| AGI ALAMOS GOLD INC-CLASS A | Materials | 759.0K | $33.9M | 2.1% | -21.5% |
| HQY HEALTHEQUITY INC | Services media | 397.2K | $33.2M | 2.1% | -8.2% |
| HURN HURON CONSULTING GROUP INC | Services media | 249.9K | $31.9M | 2.0% | -13.9% |
| LFUS LITTELFUSE INC | Industrials | 87.0K | $29.5M | 1.8% | -12.9% |
| ACIW ACI WORLDWIDE INC | Technology | 660.8K | $27.1M | 1.7% | -13.8% |
| ITRI ITRON INC | Technology | 292.8K | $26.3M | 1.6% | -0.9% |
| MMSI MERIT MEDICAL SYSTEMS INC | Healthcare | 377.6K | $26.1M | 1.6% | -0.1% |
| KN KNOWLES CORP | Industrials | 1.0M | $25.8M | 1.6% | -14.0% |
| SMG SCOTTS MIRACLE-GRO CO | Other | 374.4K | $22.8M | 1.4% | -12.9% |
| NBHC NATIONAL BANK HOLD-CL A | Financials | 581.2K | $22.8M | 1.4% | -13.7% |
| PWP PERELLA WEINBERG PARTNERS | Financials | 1.2M | $22.4M | 1.4% | +153.0% |
| BDC BELDEN INC | Industrials | 191.0K | $22.0M | 1.4% | -13.3% |
| TKO TKO GROUP HOLDINGS INC | Services media | 107.5K | $21.7M | 1.3% | -13.0% |
| BY BYLINE BANCORP INC | Financials | 674.8K | $21.3M | 1.3% | -15.8% |
| SLGN SILGAN HOLDINGS INC | Industrials | 537.0K | $20.9M | 1.3% | -7.5% |
| HXL HEXCEL CORP | Materials | 251.2K | $20.4M | 1.3% | -13.6% |
| CHE CHEMED CORP | Healthcare | 52.8K | $20.0M | 1.2% | -12.9% |
| CUBI CUSTOMERS BANCORP INC | Financials | 284.4K | $19.7M | 1.2% | +5.3% |
| NOVT NOVANTA INC | Technology | 165.9K | $19.6M | 1.2% | -6.1% |
| HAE HAEMONETICS CORP/MASS | Healthcare | 346.4K | $19.5M | 1.2% | -6.5% |
| MRCY MERCURY SYSTEMS INC | Technology | 266.4K | $19.5M | 1.2% | -4.6% |
| AUB ATLANTIC UNION BANKSHARES CO | Financials | 541.9K | $19.4M | 1.2% | -13.7% |
| GRDN GUARDIAN PHRMCY SERVICES-A | Healthcare | 495.9K | $18.7M | 1.2% | -15.8% |
| VVV VALVOLINE INC | Energy | 549.0K | $18.5M | 1.1% | -12.6% |
| BKU BANKUNITED INC | Financials | 407.4K | $18.4M | 1.1% | -12.0% |
| CRL CHARLES RIVER LABORATORIES | Healthcare | 97.4K | $16.8M | 1.0% | +13.0% |
| PRSU PURSUIT ATTRACTIONS AND HOSP | Services media | 457.2K | $16.7M | 1.0% | -15.8% |
| VOYA VOYA FINANCIAL INC | Financials | 244.2K | $16.7M | 1.0% | -13.8% |
| LQDT LIQUIDITY SERVICES INC | Services media | 539.5K | $16.5M | 1.0% | -15.8% |
| ATR APTARGROUP INC | Other | 130.5K | $16.5M | 1.0% | -12.8% |
| KNX KNIGHT-SWIFT TRANSPORTATION | Industrials | 285.5K | $16.5M | 1.0% | -12.5% |
| BOX BOX INC - CLASS A | Technology | 695.5K | $16.4M | 1.0% | -13.7% |
| EEFT EURONET WORLDWIDE INC | Financials | 247.2K | $16.4M | 1.0% | -13.7% |
| RRC RANGE RESOURCES CORP | Energy | 358.3K | $16.2M | 1.0% | -3.8% |
| JHX JAMES HARDIE IND PLC | Industrials | 847.5K | $16.1M | 1.0% | -1.9% |
| KBR KBR INC | Industrials | 424.5K | $15.7M | 1.0% | -9.4% |
| CWST CASELLA WASTE SYSTEMS INC-A | Utilities | 196.0K | $15.5M | 1.0% | +13.9% |
| PBH PRESTIGE CONSUMER HEALTHCARE | Healthcare | 253.1K | $15.0M | 0.9% | -14.2% |
| BWIN BALDWIN INSURANCE GROUP INC/ | Financials | 682.1K | $15.0M | 0.9% | -7.6% |
| GXO GXO LOGISTICS INC | Industrials | 287.0K | $14.9M | 0.9% | -5.8% |
| BHE BENCHMARK ELECTRONICS INC | Technology | 265.4K | $14.9M | 0.9% | -15.8% |
| WWW WOLVERINE WORLD WIDE INC | Other | 888.6K | $14.5M | 0.9% | +26.6% |
| ASC ARDMORE SHIPPING CORP | Industrials | 938.7K | $14.3M | 0.9% | -7.9% |
| LKQ LKQ CORP | Consumer discretionary | 485.0K | $14.3M | 0.9% | -12.8% |
| FIBK FIRST INTERSTATE BANCSYS-A | Financials | 418.3K | $14.0M | 0.9% | -13.4% |
| COLB COLUMBIA BANKING SYSTEM INC | Financials | 504.5K | $13.8M | 0.9% | -13.6% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 122 | $1.61B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 125 | $1.82B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 127 | $1.94B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 127 | $1.96B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 125 | $2.00B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 127 | $2.70B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 127 | $3.02B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 126 | $2.97B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 128 | $3.29B | canonical | SEC ↗ |
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