O'Brien Greene & Co. Inc

Est. AUM

$79.9M

13F long equity, this entity only

Positions

133

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	Golar Lng Ltd	COM	$4.2M	78200	5.30%	SOLE
2	Berkshire Hathaway Inc Cl B	COM	$3.2M	6691	4.01%	OTR
3	Apple Computer Inc Com	COM	$2.9M	11280	3.58%	OTR
4	Costco Whsl Corp New Com	COM	$2.8M	2774	3.46%	OTR
5	Wise Plc	COM	$2.7M	230000	3.40%	SOLE
6	Stonex Group	COM	$2.4M	29474	2.98%	SOLE
7	Waste Mgmt Inc Del Com	COM	$1.5M	6700	1.93%	OTR
8	Black Stone Minerals	COM	$1.5M	100000	1.89%	SOLE
9	Talen Energy Corp	COM	$1.5M	4546	1.82%	SOLE
10	Rio Tinto Plc	COM	$1.4M	15120	1.77%	SOLE
11	B3 Sa Brasil Bolsa Balcao	COM	$1.3M	117900	1.59%	SOLE
12	Grainger W W Inc Com	COM	$1.2M	1070	1.46%	OTR
13	Bunge Global Sa	COM	$1.1M	8833	1.41%	SOLE
14	Union Pacific Corp	COM	$1.1M	4595	1.40%	OTR
15	Abbott Laboratories	COM	$1.1M	10274	1.32%	SOLE
16	Champion Homes Inc	COM	$1.0M	13776	1.28%	SOLE
17	Cameco Corp Com	COM	$999K	9200	1.25%	SOLE
18	Sturm Ruger & Co Inc	COM	$962K	24000	1.20%	SOLE
19	Ecopetrol Sa Sp Ads	COM	$959K	64000	1.20%	SOLE
20	British American Tobacco Adr R	COM	$932K	15943	1.17%	SOLE
21	Broadcom Ord Shs	COM	$894K	2889	1.12%	SOLE
22	Sprott Physical Uranium Trust	COM	$887K	43916	1.11%	SOLE
23	Axon Enterprise Ord Shs	COM	$866K	2040	1.08%	SOLE
24	Teck Resources Ltd Cl B	COM	$864K	16700	1.08%	SOLE
25	Lilly Eli & Co	COM	$828K	900	1.04%	SOLE
26	Quaker Houghton	COM	$780K	6277	0.98%	SOLE
27	Amrize Ltd	COM	$768K	13711	0.96%	SOLE
28	Exxon Mobil Corp	COM	$768K	4529	0.96%	SOLE
29	Nvidia Corp Com	COM	$767K	4400	0.96%	OTR
30	S&P Global Inc Com	COM	$766K	1800	0.96%	OTR
31	Vaneck Junior Gold Miners Etf	COM	$756K	6300	0.95%	SOLE
32	Alphabet Inc Class A	COM	$748K	2600	0.94%	OTR
33	Sprott Inc	COM	$738K	5165	0.92%	SOLE
34	Sprott Physical Silver Trust	COM	$724K	29688	0.91%	SOLE
35	Cf Industries Holdings Inc	COM	$722K	5564	0.90%	SOLE
36	Grupo Aeroportuario	COM	$712K	6207	0.89%	SOLE
37	Fomento Economico	COM	$702K	6317	0.88%	SOLE
38	Martin Marietta Mat	COM	$688K	1168	0.86%	SOLE
39	Ecolab Inc Com	COM	$663K	2494	0.83%	OTR
40	Subsea 7 S.A.	COM	$661K	21400	0.83%	SOLE
41	Virtu Financial Inc Cl A	COM	$660K	15000	0.83%	SOLE
42	Core Natural Resources Inc	COM	$659K	6296	0.82%	SOLE
43	Nextera Energy Inc	COM	$643K	6924	0.80%	OTR
44	Franklin Ftse Brazil Etf	COM	$638K	26700	0.80%	OTR
45	Yellow Cake Plc	COM	$608K	75000	0.76%	SOLE
46	Cisco Sys Inc Com	COM	$607K	7820	0.76%	OTR
47	Interactive Brokers Group Inc	COM	$604K	9000	0.76%	OTR
48	Microsoft Corp	COM	$602K	1625	0.75%	OTR
49	Nintendo	COM	$581K	40650	0.73%	SOLE
50	Danaher Corp Del Com	COM	$577K	3043	0.72%	OTR

1–50 of 133

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