Boston Trust Walden Corp holds a diversified book of 388 stocks worth $12.2B as of Q1 2026 (disclosed Apr 24, 2026, a ~45-day 13F lag). This quarter they opened Esab Corp and trimmed Apple Inc. Their largest long position is Apple Inc at 3% of the equity book.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1534866/holdings"
Use Arkolith to show Boston Trust Walden Corp's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
99% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Apple Inc COMMON STOCK | $378.3M | 1.49M | 3.1% | ▼−3.9% Reduced · −61K sh | |
| 2 | Microsoft Corp COMMON STOCK | $358.8M | 969.2K | 2.9% | ▼−3.1% Reduced · −32K sh | |
| 3 | Alphabet Inc-A COMMON STOCK | $247.1M | 859.2K | 2.0% | ▼−9.0% Reduced · −85K sh | |
| 4 | Alphabet Inc-CL C COMMON STOCK | $221.8M | 773.2K | 1.8% | ▼−6.0% Reduced · −50K sh | |
| 5 | JPMorgan Chase & Co COMMON STOCK | $217.6M | 739.7K | 1.8% | ▼−5.4% Reduced · −43K sh | |
| 6 | Nvidia Corp COMMON STOCK | $192.3M | 1.10M | 1.6% | ▼−1.2% Reduced · −14K sh | |
| 7 | Aptargroup Inc COMMON STOCK | $170.1M | 1.35M | 1.4% | ▼−4.6% Reduced · −65K sh | |
| 8 | Donaldson Co Inc COMMON STOCK | $161.3M | 1.90M | 1.3% | ▼−21% Reduced · −492K sh | |
| 9 | Hubbell Inc COMMON STOCK | $160.9M | 328.0K | 1.3% | ▼−4.2% Reduced · −14K sh | |
| 10 | Johnson & Johnson COMMON STOCK | $145.2M | 594.1K | 1.2% | ▼−11% Reduced · −75K sh | |
| 11 | Visa Inc COMMON STOCK | $143.9M | 476.3K | 1.2% | ▼−3.5% Reduced · −17K sh | |
| 12 | Cullen/frost Bankers Inc COMMON STOCK | $132.7M | 967.8K | 1.1% | ▼−7.3% Reduced · −76K sh | |
| 13 | Cincinnati Financial Corp COMMON STOCK | $118.9M | 755.8K | 1.0% | ▼−2.5% Reduced · −19K sh | |
| 14 | Applied Industrial Tech Inc COMMON STOCK | $116.6M | 439.4K | 1.0% | ▼−9.2% Reduced · −45K sh | |
| 15 | Costco Wholesale Corp COMMON STOCK | $112.4M | 112.8K | 0.9% | ▼−2.6% Reduced · −3K sh | |
| 16 | Watts Water Technologies-A COMMON STOCK | $110.0M | 379.0K | 0.9% | ▼−13% Reduced · −59K sh | |
| 17 | Globus Medical Inc-A COMMON STOCK | $108.1M | 1.25M | 0.9% | ▼−8.3% Reduced · −113K sh | |
| 18 | Ross Stores Inc COMMON STOCK | $104.3M | 481.7K | 0.9% | ▼−13% Reduced · −69K sh | |
| 19 | Exxon Mobil Corporation COMMON STOCK | $102.9M | 606.4K | 0.8% | ▼−7.7% Reduced · −51K sh | |
| 20 | Magnolia Oil & Gas Corp COMMON STOCK | $101.9M | 3.23M | 0.8% | ▼−23% Reduced · −940K sh | |
| 21 | Essential Utils Inc COMMON STOCK | $99.9M | 2.48M | 0.8% | ▼−3.0% Reduced · −77K sh | |
| 22 | Chubb Ltd COMMON STOCK | $99.5M | 305.4K | 0.8% | ▼−6.7% Reduced · −22K sh | |
| 23 | Littelfuse Inc COMMON STOCK | $98.9M | 291.4K | 0.8% | ▲+15% Added · +37K sh | |
| 24 | Cisco Systems Inc COMMON STOCK | $98.6M | 1.27M | 0.8% | ▼−4.0% Reduced · −54K sh | |
| 25 | Applied Materials, Inc. COMMON STOCK | $97.3M | 284.6K | 0.8% | ▼−29% Reduced · −117K sh | |
| 26 | Choice Hotels Intl Inc COMMON STOCK | $96.3M | 930.8K | 0.8% | ▼−6.1% Reduced · −61K sh | |
| 27 | Commerce Bancshares Inc COMMON STOCK | $95.2M | 1.93M | 0.8% | ▼−7.2% Reduced · −150K sh | |
| 28 | One Gas Inc COMMON STOCK | $93.6M | 1.09M | 0.8% | ▼−1.6% Reduced · −17K sh | |
| 29 | Jazz Pharmaceuticals PLC COMMON STOCK | $92.4M | 488.7K | 0.8% | ▲+24% Added · +95K sh | |
| 30 | Stryker Corp COMMON STOCK | $92.0M | 280.0K | 0.8% | ▼−0.6% Reduced · −2K sh | |
| 31 | Stag Industrial Inc COMMON STOCK | $92.0M | 2.55M | 0.8% | ▼−9.3% Reduced · −263K sh | |
| 32 | BJ'S Wholesale Club Holdings COMMON STOCK | $89.8M | 912.4K | 0.7% | ▼−1.3% Reduced · −12K sh | |
| 33 | Qualys Inc COMMON STOCK | $88.8M | 1.01M | 0.7% | ▼−8.5% Reduced · −94K sh | |
| 34 | Deere & Co COMMON STOCK | $87.5M | 155.4K | 0.7% | ▼−4.6% Reduced · −7K sh | |
| 35 | Idex Corp Com COMMON STOCK | $85.8M | 452.7K | 0.7% | ▼−2.1% Reduced · −10K sh | |
| 36 | Automatic Data Processing COMMON STOCK | $83.1M | 409.2K | 0.7% | ▼−2.1% Reduced · −9K sh | |
| 37 | Cooper Cos Inc COMMON STOCK | $82.9M | 1.16M | 0.7% | ▼−6.3% Reduced · −78K sh | |
| 38 | Allegion PLC COMMON STOCK | $82.3M | 566.8K | 0.7% | ▲+8.1% Added · +43K sh | |
| 39 | Snap On Inc COMMON STOCK | $82.1M | 226.0K | 0.7% | ▲+3.8% Added · +8K sh | |
| 40 | Jones Lang Lasalle Inc COMMON STOCK | $81.7M | 268.5K | 0.7% | ▼−2.8% Reduced · −8K sh | |
| 41 | Sei Investments Company COMMON STOCK | $81.6M | 1.04M | 0.7% | ▼−4.2% Reduced · −45K sh | |
| 42 | Badger Meter Inc COMMON STOCK | $80.8M | 530.2K | 0.7% | ▲+4.4% Added · +22K sh | |
| 43 | Pepsico Inc COMMON STOCK | $80.5M | 518.1K | 0.7% | ▼−6.1% Reduced · −33K sh | |
| 44 | Nordson Corporation COMMON STOCK | $80.3M | 301.8K | 0.7% | ▼−14% Reduced · −47K sh | |
| 45 | Accenture PLC-CL A COMMON STOCK | $79.5M | 401.1K | 0.7% | ▼−4.7% Reduced · −20K sh | |
| 46 | Sprouts Farmers Market Inc COMMON STOCK | $79.1M | 1.03M | 0.7% | ▲+21% Added · +177K sh | |
| 47 | Antero Midstream Corp COMMON STOCK | $78.2M | 3.43M | 0.6% | ▼−7.4% Reduced · −274K sh | |
| 48 | Chemed Corp COMMON STOCK | $77.5M | 205.2K | 0.6% | ▼−7.3% Reduced · −16K sh | |
| 49 | Lincoln Electric Holdings COMMON STOCK | $76.2M | 305.9K | 0.6% | ▲+0.7% Added · +2K sh | |
| 50 | Union Pacific Corp COMMON STOCK | $75.2M | 309.9K | 0.6% | ▼−3.8% Reduced · −12K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | Apr 24, 2026 | 613 | $12.2B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 28, 2026 | 594 | $13.2B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Oct 17, 2025 | 603 | $13.6B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Jul 28, 2025 | 583 | $14.0B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 21, 2025 | 587 | $13.7B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 24, 2025 | 594 | $14.3B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Oct 24, 2024 | 600 | $14.4B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Jul 19, 2024 | 594 | $13.5B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | Apr 22, 2024 | 585 | $14.0B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Jan 24, 2024 | 585 | $13.3B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Oct 18, 2023 | 576 | $11.9B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Jul 24, 2023 | 583 | $12.2B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | Apr 19, 2023 | 584 | $11.6B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Jan 20, 2023 | 584 | $11.4B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Oct 19, 2022 | 579 | $10.1B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Jul 22, 2022 | 593 | $10.6B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | Apr 20, 2022 | 619 | $12.1B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Jan 21, 2022 | 624 | $12.5B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Oct 25, 2021 | 620 | $11.3B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Jul 22, 2021 | 624 | $11.2B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | Apr 21, 2021 | 606 | $10.3B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Jan 15, 2021 | 611 | $9.4B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Oct 14, 2020 | 608 | $8.0B | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Jul 23, 2020 | 602 | $7.4B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.