Boston Trust Walden Corp

CIK

1534866

City

BOSTON

State / Country

Stock

AOS — Smith A O Corp

Top Portfolio Positions

342 positions · $11,794,748,413 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
AAPL	Apple Inc. Technology	1,490,524	$378,280,085	3.21%
MSFT	Microsoft Corp Technology	969,161	$358,754,327	3.04%
GOOGL	Alphabet Inc. Communication Services	859,244	$247,084,204	2.09%
JPM	Jpmorgan Chase & Co Financial Services	739,677	$217,583,385	1.84%
NVDA	Nvidia Corp Technology	1,102,397	$192,258,036	1.63%
ATR	Aptargroup, Inc. Healthcare	1,349,489	$170,062,602	1.44%
DCI	DONALDSON Co INC Industrials	1,900,416	$161,288,305	1.37%
HUBB	Hubbell Inc Industrials	327,969	$160,947,506	1.36%
JNJ	Johnson & Johnson Healthcare	594,061	$145,212,270	1.23%
V	Visa Inc. Financial Services	476,259	$143,944,519	1.22%

Portfolio Trend

25 quarters · across all stocks

Holdings in AOS

Compact Export CSV

Shares Held

Position Value (USD)

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$69,298,324	1,050,930	-2.4%	Shares	Defined	2026-04-24
2025-12-31	$72,015,313	1,076,784	+13.7%	Shares	Defined	2026-01-28
2025-09-30	$69,491,740	946,625	+15.1%	Shares	Defined	2025-10-17
2025-06-30	$53,949,290	822,774	+4.5%	Shares	Defined	2025-07-28
2025-03-31	$51,472,175	787,518	+1.3%	Shares	Defined	2025-04-21
2024-12-31	$53,016,494	777,254	+2.8%	Shares	Defined	2025-01-24
2024-09-30	$67,889,112	755,751	+0.1%	Shares	Defined	2024-10-24
2024-06-30	$61,727,789	754,803	+4.0%	Shares	Defined	2024-07-19
2024-03-31	$64,921,927	725,709	+1.5%	Shares	Defined	2024-04-22
2023-12-31	$58,919,125	714,691	+2.5%	Shares	Defined	2024-01-24
2023-09-30	$46,128,517	697,543	+0.3%	Shares	Defined	2023-10-18
2023-06-30	$50,624,602	695,584	+5.6%	Shares	Defined	2023-07-24
2023-03-31	$45,553,875	658,769	-0.6%	Shares	Defined	2023-04-19
2022-12-31	$37,931,402	662,673	+5.8%	Shares	Defined	2023-01-20
2022-09-30	$30,419,047	626,164	+3.8%	Shares	Defined	2022-10-19
2022-06-30	$33,000,144	603,514	+4.4%	Shares	Defined	2022-07-22
2022-03-31	$36,936,597	578,128	+10.6%	Shares	Defined	2022-04-20
2021-12-31	$44,870,360	522,660	+6.2%	Shares	Defined	2022-01-21
2021-09-30	$30,064,944	492,303	-0.8%	Shares	Defined	2021-10-25
2021-06-30	$35,758,333	496,230	+2.4%	Shares	Defined	2021-07-22
2021-03-31	$32,770,836	484,704	+13.6%	Shares	Defined	2021-04-21
2020-12-31	$23,395,092	426,762	+0.1%	Shares	Defined	2021-01-15
2020-09-30	$22,507,636	426,281	+0.9%	Shares	Defined	2020-10-14
2020-06-30	$19,904,524	422,422	+3.8%	Shares	Defined	2020-07-23
2020-03-31	$15,381,901	406,821	—	Shares	Defined	2020-04-24
No 13F history on record for this holder in this stock.