Corbyn Investment Management Inc reported 25 positions worth $94.26M for the quarter ended Sep 30, 2026, down 4.8% on the prior quarter. It opened 0 new positions, added to 0, trimmed 20 and exited 0. Its largest holding is Republic Services, Inc. at 18.9% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
No positions were added to this quarter.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GOOG Alphabet Inc. | -1,122 | -2.9% | $382.31K | 13.52% |
| RSG Republic Services, Inc. | -1,234 | -1.4% | $258.98K | 18.87% |
| AMZN Amazon Com Inc | -685 | -3.4% | $170.67K | 5.1% |
| WRB Berkley W R Corp | -1,600 | -1.3% | $108.06K | 9.06% |
| PRMB Primo Brands Corp | -5,610 | -1.4% | $106.87K | 7.77% |
| CB Chubb Ltd | -306 | -2.4% | $99.53K | 4.31% |
| MDT Medtronic plc | -969 | -2.7% | $83.61K | 3.24% |
| NVT nVent Electric plc | -471 | -2.1% | $75.53K | 3.74% |
| ABT Abbott Laboratories | -648 | -2.1% | $64.04K | 3.2% |
| TMUS T-Mobile US, Inc. | -390 | -1.9% | $63.60K | 3.55% |
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | RSG Republic Services, Inc. | Industrials | 84.8K | $17.79M | 18.87% | -1,234 | -1.4% | Reduced | 0.03% |
| 2 | GOOG Alphabet Inc. | Technology | 37.4K | $12.75M | 13.52% | -1,122 | -2.9% | Reduced | 0% |
| 3 | WRB Berkley W R Corp | Financial Services | 126.4K | $8.54M | 9.06% | -1,600 | -1.3% | Reduced | 0.03% |
| 4 | PRMB Primo Brands Corp | Consumer Staples | 384.5K | $7.32M | 7.77% | -5,610 | -1.4% | Reduced | 0.11% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 19.3K | $4.80M | 5.1% | -685 | -3.4% | Reduced | 0% |
| 6 | USFD US Foods Holding Corp. | Consumer Staples | 48.0K | $4.42M | 4.69% | -524 | -1.1% | Reduced | 0.02% |
| 7 | CB Chubb Ltd | Financial Services | 12.5K | $4.06M | 4.31% | -306 | -2.4% | Reduced | 0% |
| 8 | EMR Emerson Electric Co | Industrials | 25.7K | $3.98M | 4.23% | -341 | -1.3% | Reduced | 0% |
| 9 | NVT nVent Electric plc | Industrials | 22.0K | $3.53M | 3.74% | -471 | -2.1% | Reduced | 0.01% |
| 10 | DOX Amdocs Ltd | Technology | 61.0K | $3.49M | 3.7% | -801 | -1.3% | Reduced | 0.05% |
| 11 | TMUS T-Mobile US, Inc. | Communication Services | 20.5K | $3.34M | 3.55% | -390 | -1.9% | Reduced | 0% |
| 12 | MDT Medtronic plc | Healthcare | 35.4K | $3.05M | 3.24% | -969 | -2.7% | Reduced | 0% |
| 13 | ABT Abbott Laboratories | Healthcare | 30.6K | $3.02M | 3.2% | -648 | -2.1% | Reduced | 0% |
| 14 | SHBI Shore Bancshares Inc | Financial Services | 111.7K | $2.50M | 2.65% | -860 | -0.8% | Reduced | 0.33% |
| 15 | MTX Minerals Technologies Inc | Basic Materials | 30.3K | $1.98M | 2.1% | 0 | 0.0% | Unchanged | 0.1% |
Tip. Select a row to see that position’s full history at Corbyn Investment Management.
As of its Q3 2026 13F filing, Corbyn Investment Management Inc’s five largest positions were Republic Services, Inc. (RSG) at 18.9%, Alphabet Inc. (GOOG) at 13.5%, Berkley W R Corp (WRB) at 9.1%, Primo Brands Corp (PRMB) at 7.8%, Amazon Com Inc (AMZN) at 5.1% of the reported portfolio.
Corbyn Investment Management Inc reported a 13F portfolio worth $94.26M across 25 positions for Q3 2026. That is down 4.8% from the previous quarter.
Its largest sales by value were Alphabet Inc. ($382.31K), Republic Services, Inc. ($258.98K), Amazon Com Inc ($170.67K). It exited 0 positions entirely.
From the Form 13F-HR reports Corbyn Investment Management Inc files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.