Boston Trust Walden Corp reported 349 positions worth $12.24B for the quarter ended Sep 30, 2026, down 5.3% on the prior quarter. It opened 11 new positions, added to 67, trimmed 238 and exited 8. Its largest holding is Microsoft Corp at 3.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MANH Manhattan Associates Inc | +438.4K | – | $87.12M | 0.712% |
| XOM ExxonMobil Holdings Corp | +468.7K | – | $76.28M | 0.623% |
| CVLT Commvault Systems Inc | +299.1K | +114.1% | $44.85M | 0.687% |
| TSCO Tractor Supply Co | +1.22M | – | $38.17M | 0.312% |
| UMBF Umb Financial Corp | +243.7K | +123.1% | $31.68M | 0.469% |
| LMAT Lemaitre Vascular Inc | +345.6K | – | $28.55M | 0.233% |
| KTB Kontoor Brands, Inc. | +432.0K | – | $27.23M | 0.222% |
| NVR Nvr Inc | +4,218 | – | $25.96M | 0.212% |
| DT Dynatrace, Inc. | +409.0K | +31.2% | $23.62M | 0.811% |
| POWI Power Integrations Inc | +407.5K | +46.2% | $21.11M | 0.546% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NTAP NetApp, Inc. | -456.9K | -74.3% | $95.98M | 0.271% |
| GOOGL Alphabet Inc. | -142.6K | -17.5% | $49.05M | 1.88% |
| QLYS Qualys, Inc. | -198.5K | -20.2% | $37.16M | 1.2% |
| AIT Applied Industrial Technologies Inc | -110.4K | -25.8% | $36.69M | 0.86% |
| MTDR Matador Resources Co | -706.0K | -100.0% | $35.14M | Exited |
| NVDA Nvidia Corp | -141.6K | -11.2% | $32.33M | 2.09% |
| AMAT Applied Materials Inc | -61.4K | -26.6% | $31.41M | 0.709% |
| GDDY GoDaddy Inc. | -317.2K | -100.0% | $26.92M | Exited |
| HRB H&R Block Inc | -673.8K | -100.0% | $25.66M | Exited |
| MSFT Microsoft Corp | -49.2K | -5.1% | $25.22M | 3.82% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| MANH Manhattan Associates Inc | +438.4K | $87.12M | 0.712% |
| XOM ExxonMobil Holdings Corp | +468.7K | $76.28M | 0.623% |
| TSCO Tractor Supply Co | +1.22M | $38.17M | 0.312% |
| LMAT Lemaitre Vascular Inc | +345.6K | $28.55M | 0.233% |
| KTB Kontoor Brands, Inc. | +432.0K | $27.23M | 0.222% |
| NVR Nvr Inc | +4,218 | $25.96M | 0.212% |
| QXO QXO, Inc. | +1.09M | $12.73M | 0.104% |
| VMRK Vivmark Residential | +105.7K | $6.42M | 0.052% |
| BBT Beacon Financial Corp | +7,980 | $223.36K | <0.01% |
| RGA Reinsurance Group Of America Inc | +903 | $222.36K | <0.01% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| MTDR Matador Resources Co | -706.0K | $35.14M | 0.272% |
| GDDY GoDaddy Inc. | -317.2K | $26.92M | 0.208% |
| HRB H&R Block Inc | -673.8K | $25.66M | 0.198% |
| DLB Dolby Laboratories, Inc. | -432.6K | $22.75M | 0.176% |
| MZTI Marzetti Co | -116.2K | $13.26M | 0.103% |
| MLM Martin Marietta Materials Inc | -363 | $209.34K | <0.01% |
| TFC Truist Financial Corp | -4,044 | $201.47K | <0.01% |
| SOLS Solstice Advanced Materials Inc. | -2,271 | $201.21K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MSFT Microsoft Corp | Technology | 912.1K | $467.83M | 3.82% | -49.2K | -5.1% | Reduced | 0.01% |
| 2 | AAPL Apple Inc. | Technology | 1.39M | $462.31M | 3.78% | -64.3K | -4.4% | Reduced | 0.01% |
| 3 | NVDA Nvidia Corp | Technology | 1.12M | $256.04M | 2.09% | -141.6K | -11.2% | Reduced | 0% |
| 4 | GOOG Alphabet Inc. | Technology | 727.5K | $247.87M | 2.02% | -14.6K | -2.0% | Reduced | 0.01% |
| 5 | GOOGL Alphabet Inc. | Technology | 669.9K | $230.49M | 1.88% | -142.6K | -17.5% | Reduced | 0.01% |
| 6 | JPM Jpmorgan Chase & Co | Financial Services | 677.8K | $224.23M | 1.83% | -48.8K | -6.7% | Reduced | 0.03% |
| 7 | V Visa Inc. | Financial Services | 431.5K | $155.06M | 1.27% | -35.1K | -7.5% | Reduced | 0.03% |
| 8 | QLYS Qualys, Inc. | Technology | 786.4K | $147.21M | 1.2% | -198.5K | -20.2% | Reduced | 2.25% |
| 9 | JNJ Johnson & Johnson | Healthcare | 538.4K | $142.53M | 1.16% | -42.5K | -7.3% | Reduced | 0.02% |
| 10 | ATR Aptargroup, Inc. | Industrials | 1.16M | $140.16M | 1.14% | -146.9K | -11.3% | Reduced | 1.82% |
| 11 | DCI DONALDSON Co INC | Industrials | 1.59M | $138.27M | 1.13% | -258.1K | -14.0% | Reduced | 1.37% |
| 12 | LFUS Littelfuse Inc | Technology | 316.8K | $134.26M | 1.1% | +18.5K | +6.2% | Added | 1.25% |
| 13 | HUBB Hubbell Inc | Industrials | 295.1K | $133.87M | 1.09% | -21.1K | -6.7% | Reduced | 0.56% |
| 14 | WTS Watts Water Technologies Inc | Industrials | 352.8K | $124.95M | 1.02% | -16.2K | -4.4% | Reduced | 1.28% |
| 15 | MTD Mettler Toledo International Inc/ | Industrials | 81.5K | $123.12M | 1.01% | -2,903 | -3.4% | Reduced | 0.38% |
Tip. Select a row to see that position’s full history at Boston Trust Walden.
As of its Q3 2026 13F filing, Boston Trust Walden Corp’s five largest positions were Microsoft Corp (MSFT) at 3.8%, Apple Inc. (AAPL) at 3.8%, Nvidia Corp (NVDA) at 2.1%, Alphabet Inc. (GOOG) at 2.0%, Alphabet Inc. (GOOGL) at 1.9% of the reported portfolio.
Boston Trust Walden Corp reported a 13F portfolio worth $12.24B across 349 positions for Q3 2026. That is down 5.3% from the previous quarter.
Its largest purchases by value were Manhattan Associates Inc ($87.12M), ExxonMobil Holdings Corp ($76.28M), Commvault Systems Inc ($44.85M). It opened 11 new positions.
Its largest sales by value were NetApp, Inc. ($95.98M), Alphabet Inc. ($49.05M), Qualys, Inc. ($37.16M). It exited 8 positions entirely.
From the Form 13F-HR reports Boston Trust Walden Corp files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.