Ipswich Investment Management Co., Inc.

Est. AUM

$425.9M

13F long equity, this entity only

Positions

185

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	MICROSOFT CORP	COM	$22.8M	61565	5.35%	SOLE
2	APPLE INC	COM	$21.3M	84074	5.01%	SOLE
3	ALPHABET INC	CAP STK CL A	$16.0M	55554	3.75%	SOLE
4	EXXON MOBIL CORP	COM	$14.5M	85509	3.41%	SOLE
5	COSTCO WHOLESALE CORPORATION	COM	$14.0M	14090	3.30%	SOLE
6	ISHARES TR	RUSSELL 3000 ETF	$13.7M	36841	3.21%	SOLE
7	JPMORGAN CHASE & CO	COM	$13.2M	44866	3.10%	SOLE
8	NVIDIA CORPORATION	COM	$12.4M	71345	2.92%	SOLE
9	CATERPILLAR INC	COM	$11.2M	15769	2.62%	SOLE
10	AMAZON COM INC	COM	$10.1M	48331	2.36%	SOLE
11	JOHNSON & JOHNSON	COM	$9.0M	36911	2.12%	SOLE
12	VISA INC	COM CL A	$8.1M	26690	1.89%	SOLE
13	CHEVRON CORPORATION	COM	$7.6M	36629	1.78%	SOLE
14	ASML HLDG NV	N Y REGISTRY SHS	$7.5M	5713	1.77%	SOLE
15	TJX COS INC NEW	COM	$7.5M	46699	1.75%	SOLE
16	TEXAS INSTRS INC	COM	$7.1M	36779	1.68%	SOLE
17	PROGRESSIVE CORP	COM	$6.4M	32164	1.50%	SOLE
18	LINDE PLC	SHS	$6.2M	12537	1.46%	SOLE
19	MARSH & MCLENNAN COS INC	COM	$6.2M	35727	1.46%	SOLE
20	TEXAS PACIFIC LAND CORPORATI	COM	$6.0M	12575	1.40%	SOLE
21	WATSCO INC	COM	$5.9M	16292	1.39%	SOLE
22	ELI LILLY & CO	COM	$5.8M	6297	1.36%	SOLE
23	MERCK & CO INC	COM	$5.6M	46912	1.33%	SOLE
24	AMGEN INC	COM	$5.6M	15820	1.31%	SOLE
25	PALO ALTO NETWORKS INC	COM	$5.5M	34456	1.30%	SOLE
26	ONEOK INC NEW	COM	$5.4M	59426	1.26%	SOLE
27	CHUBB LTD SWITZ	COM	$5.4M	16426	1.26%	SOLE
28	PROCTER & GAMBLE CO	COM	$5.2M	36252	1.23%	SOLE
29	CAMECO CORP	COM	$4.5M	41748	1.06%	SOLE
30	ALPHABET INC	CAP STK CL C	$4.4M	15332	1.03%	SOLE
31	AMRIZE LTD	SHS	$4.4M	77806	1.02%	SOLE
32	ACCENTURE PLC IRELAND	SHS CLASS A	$3.8M	19006	0.88%	SOLE
33	ISHARES TR	CORE S&P500 ETF	$3.7M	5731	0.88%	SOLE
34	NETFLIX INC.	COM	$3.3M	34404	0.78%	SOLE
35	BROOKFIELD INFRASTRUCTURE CO	COM SUB VTG A	$3.2M	79815	0.74%	SOLE
36	PEPSICO INC	COM	$3.0M	19477	0.71%	SOLE
37	COCA COLA CO	COM	$2.9M	38158	0.68%	SOLE
38	RTX CORPORATION	COM	$2.6M	13512	0.61%	SOLE
39	INTERNATIONAL BUSINESS MACHS	COM	$2.6M	10733	0.61%	SOLE
40	STERIS PLC	SHS USD	$2.6M	11681	0.61%	SOLE
41	ABBVIE INC	COM	$2.5M	11696	0.60%	SOLE
42	APPLIED MATLS INC	COM	$2.5M	7366	0.59%	SOLE
43	CUMMINS INC	COM	$2.5M	4622	0.58%	SOLE
44	GE AEROSPACE	COM NEW	$2.4M	8583	0.57%	SOLE
45	EMERSON ELEC CO	COM	$2.3M	17349	0.53%	SOLE
46	HONEYWELL INTL INC	COM	$2.3M	10007	0.53%	SOLE
47	DUKE ENERGY CORP NEW	COM NEW	$2.2M	16750	0.51%	SOLE
48	UNION PAC CORP	COM	$2.2M	9025	0.51%	SOLE
49	NOVARTIS AG	SPONSORED ADR	$2.1M	13835	0.50%	SOLE
50	LANDBRIDGE COMPANY LLC	CL A	$2.1M	30379	0.49%	SOLE

1–50 of 185

1 / 4

Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.