Boston Trust Walden Corp
Long book
$12.16B
Q1 2026
Positions
388
Top-10 weight
19%
concentration
Last quarter
+13.0%
SPY +14.8%
Turnover
7%
of book per quarter
Strategy in plain words
auto-generated from filingsBoston Trust Walden Corp is an institutional manager, running a $12.16B US long book across 388 positions.
The portfolio is broadly diversified across 388 positions (top 10 only 19%). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: APPLE INC, MICROSOFT CORP, ALPHABET INC-CL A, ALPHABET INC-CL C, JPMORGAN CHASE & CO.
Over the last 9 quarters its long book ran on average 2pp 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
-1.9%
Q2 2024
+8.5%
Q3 2024
-0.3%
Q4 2024
-3.1%
Q1 2025
+2.8%
Q2 2025
+4.1%
Q3 2025
+1.4%
Q4 2025
-2.2%
Q1 2026
+13.0%
Sector allocation
Technology 26%
Industrials 15%
Financials 14%
Healthcare 12%
Consumer discretionary 10%
Other 7%
Services media 5%
Utilities 5%
Long book by quarter
What does Boston Trust own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| AAPL APPLE INC | Technology | 1.5M | $378.3M | 3.1% | -3.9% |
| MSFT MICROSOFT CORP | Technology | 969.2K | $358.8M | 2.9% | -3.2% |
| GOOGL ALPHABET INC-CL A | Technology | 859.2K | $247.1M | 2.0% | -9.0% |
| GOOG ALPHABET INC-CL C | Technology | 773.2K | $221.8M | 1.8% | -6.0% |
| JPM JPMORGAN CHASE & CO | Financials | 739.7K | $217.6M | 1.8% | -5.4% |
| NVDA NVIDIA CORP | Technology | 1.1M | $192.3M | 1.6% | -1.2% |
| ATR APTARGROUP INC | Other | 1.3M | $170.1M | 1.4% | -4.6% |
| DCI DONALDSON CO INC | Industrials | 1.9M | $161.3M | 1.3% | -20.6% |
| HUBB HUBBELL INC | Technology | 328.0K | $160.9M | 1.3% | -4.2% |
| JNJ JOHNSON & JOHNSON | Healthcare | 594.1K | $145.2M | 1.2% | -11.2% |
| V VISA INC-CLASS A SHARES | Services media | 476.3K | $143.9M | 1.2% | -3.5% |
| CFR CULLEN/FROST BANKERS INC | Financials | 967.8K | $132.7M | 1.1% | -7.3% |
| CINF CINCINNATI FINANCIAL CORP | Financials | 755.8K | $118.9M | 1.0% | -2.5% |
| AIT APPLIED INDUSTRIAL TECH INC | Consumer discretionary | 439.4K | $116.6M | 1.0% | -9.2% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 112.8K | $112.4M | 0.9% | -2.6% |
| WTS WATTS WATER TECHNOLOGIES-A | Industrials | 379.0K | $110.0M | 0.9% | -13.4% |
| GMED GLOBUS MEDICAL INC - A | Healthcare | 1.3M | $108.1M | 0.9% | -8.3% |
| ROST ROSS STORES INC | Consumer discretionary | 481.7K | $104.3M | 0.9% | -12.6% |
| XOM EXXON MOBIL CORP | Energy | 606.4K | $102.9M | 0.8% | -7.7% |
| MGY MAGNOLIA OIL & GAS CORP - A | Energy | 3.2M | $101.9M | 0.8% | -22.6% |
| WTRG ESSENTIAL UTILITIES INC | Utilities | 2.5M | $99.9M | 0.8% | -3.0% |
| CB CHUBB LTD | Financials | 305.4K | $99.5M | 0.8% | -6.7% |
| LFUS LITTELFUSE INC | Industrials | 291.4K | $98.9M | 0.8% | +14.6% |
| CSCO CISCO SYSTEMS INC | Technology | 1.3M | $98.6M | 0.8% | -4.1% |
| AMAT APPLIED MATERIALS INC | Technology | 284.6K | $97.3M | 0.8% | -29.1% |
| CHH CHOICE HOTELS INTL INC | Services media | 930.8K | $96.3M | 0.8% | -6.1% |
| CBSH COMMERCE BANCSHARES INC | Financials | 1.9M | $95.2M | 0.8% | -7.2% |
| OGS ONE GAS INC | Utilities | 1.1M | $93.6M | 0.8% | -1.6% |
| JAZZ JAZZ PHARMACEUTICALS PLC | Healthcare | 488.7K | $92.4M | 0.8% | +24.1% |
| SYK STRYKER CORP | Healthcare | 280.0K | $92.0M | 0.8% | -0.6% |
| BJ BJ'S WHOLESALE CLUB HOLDINGS | Consumer discretionary | 912.4K | $89.8M | 0.7% | -1.3% |
| QLYS QUALYS INC | Technology | 1.0M | $88.8M | 0.7% | -8.5% |
| DE DEERE & CO | Industrials | 155.4K | $87.5M | 0.7% | -4.6% |
| IEX IDEX CORP | Industrials | 452.7K | $85.8M | 0.7% | -2.2% |
| ADP AUTOMATIC DATA PROCESSING | Technology | 409.2K | $83.1M | 0.7% | -2.1% |
| COO COOPER COS INC/THE | Healthcare | 1.2M | $82.9M | 0.7% | -6.3% |
| ALLE ALLEGION PLC | Services media | 566.8K | $82.3M | 0.7% | +8.1% |
| SNA SNAP-ON INC | Industrials | 226.0K | $82.1M | 0.7% | +3.8% |
| JLL JONES LANG LASALLE INC | Real estate | 268.5K | $81.7M | 0.7% | -2.8% |
| SEIC SEI INVESTMENTS COMPANY | Financials | 1.0M | $81.6M | 0.7% | -4.2% |
| BMI BADGER METER INC | Technology | 530.2K | $80.8M | 0.7% | +4.4% |
| PEP PEPSICO INC | Consumer staples | 518.1K | $80.5M | 0.7% | -6.1% |
| NDSN NORDSON CORP | Industrials | 301.8K | $80.3M | 0.7% | -13.6% |
| ACN ACCENTURE PLC-CL A | Services media | 401.1K | $79.5M | 0.7% | -4.7% |
| SFM SPROUTS FARMERS MARKET INC | Consumer discretionary | 1.0M | $79.1M | 0.7% | +20.8% |
| AM ANTERO MIDSTREAM CORP | Utilities | 3.4M | $78.2M | 0.6% | -7.4% |
| CHE CHEMED CORP | Healthcare | 205.2K | $77.5M | 0.6% | -7.3% |
| LECO LINCOLN ELECTRIC HOLDINGS | Industrials | 305.9K | $76.2M | 0.6% | +0.7% |
| UNP UNION PACIFIC CORP | Industrials | 309.9K | $75.2M | 0.6% | -3.8% |
| IBOC INTERNATIONAL BANCSHARES CRP | Financials | 1.1M | $73.2M | 0.6% | -8.7% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 24, 2026 | 613 | $12.16B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 28, 2026 | 594 | $13.25B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 17, 2025 | 603 | $13.63B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 28, 2025 | 583 | $14.02B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 21, 2025 | 587 | $13.69B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 24, 2025 | 594 | $14.25B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 24, 2024 | 600 | $14.37B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 19, 2024 | 594 | $13.48B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 22, 2024 | 585 | $14.02B | canonical | SEC ↗ |
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