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O'Brien Greene & Co. Inc — 13F Holdings & Portfolio

CIK 1768635 · latest 13F-HR filed 2026-08-06

Backtest portfolio

O'Brien Greene & Co. Inc manages $362.4M in 13F-reported U.S. long-equity assets across 199 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are IBKR (5.67%), PHYS (4.88%), AAPL (3.52%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 16 new positions and exited 8; 53 existing positions rose in reported value and 42 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$362.4M

Long-equity book

Holdings
199

Distinct positions

Period
2026-06-30

Filed 2026-08-06

Q/Q Activity
+16 / −8 / ↑53 / ↓42

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
IBKR5.9% · -3%PHYS4.9% · +2%AAPL4.4% · -0%BRK.B3.8% · +0%FLBR3.6% · +1%VLO3.5% · -4%WMB3.2% · +1%WMT3.2% · -1%UNP3.1% · +1%EOG3.0% · +0%AMGN3.0% · +1%FNV2.8% · -0%CW2.7% · +0%CSCO2.7% · -37%ABBNY2.7% · newCBOE2.6% · +1%NTR2.3% · +1%MSFT2.3% · -0%NEE2.2% · -0%DHR2.1% · +0%SPGI1.9% · -1%F1.8% · newVLTO1.7% · +0%HONA1.6% · newSONY1.4% · +8%BSX1.2% · +19%GLNG1.1% · 0%SNEX0.9% · -3%COST0.9% · -1%CMI0.9% · -3%CVX0.7% · -0%JPM0.7% · -11%EMR0.6% · -2%GWW0.6% · 0%ABBV0.6% · -0%ADP0.6% · -6%IJR0.5% · -5%KO0.5% · -1%WM0.5% · 0%WSE0.5% · newEBAY0.5% · 0%JNJ0.4% · -2%RIO0.4% · +8%GLW0.4% · +172%SII0.4% · +133%GOOGL0.3% · -22%AXON0.3% · +5%VIRT0.3% · +33%EC0.3% · +30%SKY0.3% · -4%LLY0.3% · +3%BRFS0.3% · newEVC0.3% · newTLN0.3% · -42%TECK0.3% · 0%BTI0.3% · 0%RGR0.3% · +8%BSM0.3% · -30%BG0.3% · 0%CCJ0.3% · 0%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 38.7%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

O'Brien Greene & Co. Inc Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 Interactive Brokers Group Inc IBKR 45841N107 $20.5M 5.67% 236,047 SH
2 Sprott Physical Gold Trust PHYS 85207H104 $17.7M 4.88% 586,338 SH
3 Apple Computer Inc Com AAPL 037833100 $12.7M 3.52% 44,058 SH
4 Franklin Ftse Brazil Etf FLBR 35473P835 $12.6M 3.47% 586,724 SH
5 Valero Energy Corp New Com VLO 91913Y100 $12.5M 3.46% 48,126 SH
6 Williams Cos WMB 969457100 $11.6M 3.19% 155,564 SH
7 Wal-Mart Stores WMT 931142103 $11.2M 3.09% 98,736 SH
8 Eog Res Inc Com EOG 26875P101 $10.8M 2.99% 83,482 SH
9 Berkshire Hathaway Inc Cl B BRK.B 084670702 $10.6M 2.93% 21,245 SH
10 Amgen Inc AMGN 031162100 $10.4M 2.86% 28,628 SH
11 Union Pacific Corp UNP 907818108 $9.9M 2.74% 36,470 SH
12 Curtiss Wright Corp CW 231561101 $9.8M 2.71% 12,967 SH
13 Franco-Nevada Corp FNV 351858105 $9.7M 2.69% 46,741 SH
14 Abb Ltd Sponsored Adr ABLZF 000375204 $9.2M 2.54% 84,591 SH
15 Cboe Global Markets Inc CBOE 12503M108 $9.2M 2.53% 37,713 SH
16 Cisco Sys Inc Com CSCO 17275R102 $8.8M 2.42% 74,703 SH
17 Nutrien Ltd NTR 67077M108 $8.3M 2.29% 131,837 SH
18 Microsoft Corp MSFT 594918104 $7.6M 2.09% 20,305 SH
19 Nextera Energy Inc NEE 65339F101 $7.5M 2.07% 85,655 SH
20 Danaher Corp Del Com DHR 235851102 $7.1M 1.96% 37,370 SH
21 Constellation Software Ord Shs — 21037X100 $6.4M 1.76% 3,376 SH
22 S&P Global Inc Com SPGI 78409V104 $6.2M 1.70% 15,114 SH
23 Veralto Ord Shs VLTO 92338C103 $5.8M 1.59% 65,036 SH
24 Honeywell Aerospace Inc HONA 43849R105 $5.8M 1.59% 26,060 SH
25 Sony Group Corporation Sponsor SONY 835699307 $5.1M 1.41% 253,868 SH
26 Boston Scientific BSX 101137107 $4.0M 1.11% 94,472 SH
27 Golar Lng Ltd GLNG G9456A100 $3.9M 1.08% 78,200 SH
28 Stonex Group SNEX 861896108 $3.4M 0.93% 28,474 SH
29 Berkshire Hathaway Inc Cl B BRK.B 084670702 $3.3M 0.91% 6,611 SH
30 Apple Computer Inc Com AAPL 037833100 $3.2M 0.90% 11,230 SH
31 Cummins Inc Com CMI 231021106 $3.0M 0.82% 4,173 SH
32 Costco Whsl Corp New Com COST 22160K105 $2.6M 0.71% 2,754 SH
33 J P Morgan Chase & Co Com JPM 46625H100 $2.3M 0.65% 7,168 SH
34 Chevrontexaco Corp CVX 166764100 $2.1M 0.57% 12,457 SH
35 Automatic Data Process Com ADP 053015103 $1.9M 0.54% 8,685 SH
36 Ishares Core S&P Small Cap Etf IJR 464287804 $1.9M 0.53% 13,006 SH
37 Abbvie Inc Com ABBV 00287Y109 $1.9M 0.51% 7,355 SH
38 Emerson Elec Co EMR 291011104 $1.8M 0.50% 12,644 SH
39 Wise Group Plc Class A WSE G9723Y105 $1.7M 0.48% 145,000 SH
40 Rio Tinto Plc RIO 767204100 $1.5M 0.43% 16,320 SH
41 Waste Mgmt Inc Del Com WM 94106L109 $1.5M 0.41% 6,700 SH
42 Johnson & Johnson JNJ 478160104 $1.5M 0.40% 5,746 SH
43 Grainger W W Inc Com GWW 384802104 $1.5M 0.40% 1,070 SH
44 Corning Inc GLW 219350105 $1.4M 0.38% 5,401 SH
45 Sprott Inc SII 852066208 $1.3M 0.37% 12,015 SH
46 Coca Cola Co KO 191216100 $1.3M 0.35% 15,821 SH
47 Union Pacific Corp UNP 907818108 $1.2M 0.34% 4,595 SH
48 Ebay Inc Com EBAY 278642103 $1.2M 0.34% 11,078 SH
49 Axon Enterprise Ord Shs AXON 05464C101 $1.2M 0.33% 2,140 SH
50 Virtu Financial Inc Cl A VIRT 928254101 $1.2M 0.33% 20,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-06 $362.4M 199 0001768635-26-000009
2026-03-31 2026-05-06 $353.3M 192 0001768635-26-000002
2025-12-31 2026-02-05 $336.8M 198 0001768635-26-000001
Filer Information
Address
218 WEST STATE ST
MEDIA, PA 19063
Phone
(610) 891-7880
Filing Manager
O'Brien Greene & Co. Inc
MEDIA, PA
Signatory
JAMES R FOGGO
Chief Compliance Officer