Institutional Manager · CIK 0001768635
O'Brien Greene & Co. Inc
MEDIA, PA · File #028-19431
Latest AUM
$336.8M
Positions
198
Top-10 Concentration
42.3%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | Curtiss Wright Corp | CW | -11,876 | -$6.5M | +$99,254 |
| REDUCE | Sony Group Corporation Sponsor | SNEJF | -189,428 | -$4.8M | -$605,870 |
| REDUCE | Olin Corp | OLN | -43,600 | -$908,188 | -$247,936 |
| REDUCE | Talen Energy Corp | TLN | -1,869 | -$700,576 | -$654,240 |
| NEW | Ivanhoe Electric Ord Shs | IE | +41,906 | +$669,658 | $0 |
| NEW | Games Workshop Group Gbp | G3715N102 | +2,361 | +$590,250 | $0 |
| NEW | Hikari Tsushin Inc Npv | J1949F108 | +2,100 | +$586,411 | $0 |
| EXITED | Joint Corp | 47973J102 | -61,454 | -$586,271 | $0 |
| NEW | Amrize Ltd | AMRZ | +10,581 | +$572,220 | $0 |
| NEW | Alphamin Resources Corp | V0195Q103 | +630,000 | +$541,800 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025198 pos · $336.8M
- 13F HOLDINGS REPORTQ/E Sep 2025186 pos · $325.2M
- 13F HOLDINGS REPORTQ/E Jun 2025198 pos · $305.7M
- 13F HOLDINGS REPORTQ/E Mar 2025197 pos · $298.1M
- 13F HOLDINGS REPORTQ/E Dec 2024203 pos · $308.0M
- 13F HOLDINGS REPORTQ/E Sep 2024211 pos · $321.1M
- 13F HOLDINGS REPORTQ/E Jun 2024214 pos · $315.8M
- 13F HOLDINGS REPORTQ/E Mar 2024207 pos · $304.1M
- 13F HOLDINGS REPORTQ/E Dec 2023207 pos · $273.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Sprott Physical Gold Trust | SII | 562,616 | $18.6M | 6.65% |
| 2 | Interactive Brokers Group Inc | 45841N107 | 250,303 | $16.1M | 5.76% |
| 3 | Apple Computer Inc Com | AAPL | 43,522 | $11.8M | 4.24% |
| 4 | Franklin Ftse Brazil Etf | FGDL | 607,891 | $11.6M | 4.15% |
| 5 | Wal-Mart Stores | WMT | 101,356 | $11.3M | 4.04% |
| 6 | Berkshire Hathaway Inc Cl B | BRK-A | 21,009 | $10.6M | 3.78% |
| 7 | Franco-Nevada Corp | FNV | 46,788 | $9.7M | 3.47% |
| 8 | Cisco Sys Inc Com | CSCO | 125,766 | $9.7M | 3.47% |
| 9 | Microsoft Corp | MSFT | 19,543 | $9.5M | 3.38% |
| 10 | Amgen Inc | AMGN | 28,358 | $9.3M | 3.32% |
| 11 | Williams Cos | 969457100 | 154,030 | $9.3M | 3.31% |
| 12 | Cboe Global Markets Inc | 12503M108 | 36,711 | $9.2M | 3.30% |
| 13 | Eog Res Inc Com | EOG | 81,369 | $8.5M | 3.06% |
| 14 | Union Pacific Corp | UNP | 35,188 | $8.1M | 2.91% |
| 15 | Danaher Corp Del Com | 235851102 | 35,287 | $8.1M | 2.89% |
| 16 | Valero Energy Corp New Com | VLO | 48,890 | $8.0M | 2.85% |
| 17 | Nutrien Ltd | NTR | 125,013 | $7.7M | 2.76% |
| 18 | S&P Global Inc Com | SPGI | 14,639 | $7.7M | 2.74% |
| 19 | Medpace Holdings Inc | MEDP | 12,693 | $7.1M | 2.55% |
| 20 | Curtiss Wright Corp | CW | 12,583 | $6.9M | 2.48% |