Q2 2026 13F · SEC CIK 1697790
Wittenberg Investment Management, Inc.
Wealth managerFiled 2026-08-12 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $292.5M
- Reported positions
- 78
- Top holdings a year, 3 yrs
- +19.6%
- Assets under management
- $385.2M
Wittenberg Investment Management, Inc. is a wealth manager that reported 78 positions worth $292.5M in its Q2 2026 13F, filed 2026-08-12. Its largest holdings were Berkshire Hathaway Inc Del (BRK-B, 17.4%), Apple Inc (AAPL, 9.9%), Siriusxm Holdings Inc (SIRI, 9.4%). A portfolio copying its top holdings returned 19.6% a year over the last 3 years, against 18.8% for the S&P 500.
Wittenberg Investment Management, Inc. holdings largest 50 of 78 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
What Wittenberg Investment Management, Inc. bought and sold in Q2 2026, against Q1 2026.
New positions
Q1 2026's filing was too long to tell new positions apart.
Added to
- LBRDA Liberty Broadband Corp+108.3% shares
- NN Nextnav Inc+37.8% shares
- FPH Five Point Holdings LLC+35.8% shares
- LBRDK Liberty Broadband Corp+19.1% shares
- CTGO Contango Silver and Gold Inc+18.8% shares
- TRIP Tripadvisor Inc+17.5% shares
- SSP Scripps E W Co Ohio+12.1% shares
- PAR Par Technology Corp+7.3% shares
Reduced
- AMZN Amazon Com Inc-97.4% shares
- VSNTV Versant Media Group Inc-31.8% shares
- PDLB Ponce Financial Group Inc-28.7% shares
- LILAK Liberty Latin America Ltd-19.1% shares
- SIRI Siriusxm Holdings Inc-15.6% shares
- CABO Cable One Inc-14.9% shares
- PHIN Phinia Inc-11.1% shares
- GS Goldman Sachs Group Inc-9.7% shares
Left the top 50
- GLRE Greenlight Cap Re Ltdwas 0.2%
- HGV Hilton Grand Vacations Incwas 0.2%
- GLBKV Liberty Cap Corpwas 0.2%
Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.
How the holdings did against the S&P 500.
- 1 year
- +29.4% /yr
- S&P 500 +20.1%
- 3 years
- +19.6% /yr
- S&P 500 +18.8%
- 5 years
- +10.0% /yr
- S&P 500 +8.5%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $292.5M | 78 |
| Q1 2026 | $269.0M | 74 |
| Q4 2025 | $260.7M | 72 |
| Q3 2025 | $252.0M | 75 |
| Q2 2025 | $229.0M | 76 |
| Q1 2025 | $221.8M | 74 |
| Q4 2024 | $254.7M | 74 |
| Q3 2024 | $311.5M | 80 |
| Q2 2024 | $293.5M | 81 |
| Q1 2024 | $293.4M | 82 |
| Q4 2023 | $287.8M | 80 |
| Q3 2023 | $272.9M | 83 |
Questions about Wittenberg Investment Management, Inc.'s portfolio
What stocks does Wittenberg Investment Management, Inc. own?
Wittenberg Investment Management, Inc.'s latest 13F, for Q2 2026 and filed Aug 12, 2026, lists 78 positions worth $292.5M. The largest are Berkshire Hathaway Inc Del (BRK-B) at 17.4%, Apple Inc (AAPL) at 9.9%, Siriusxm Holdings Inc (SIRI) at 9.4%, Alphabet Inc (GOOG) at 9.4% and Alphabet Inc (GOOGL) at 7.9%.
What did Wittenberg Investment Management, Inc. buy last quarter?
In Q2 2026, Wittenberg Investment Management, Inc. added Liberty Broadband Corp (LBRDA) (+108.3% shares), Nextnav Inc (NN) (+37.8% shares) and Five Point Holdings LLC (FPH) (+35.8% shares), compared with its Q1 2026 filing.
What did Wittenberg Investment Management, Inc. sell last quarter?
In Q2 2026, Wittenberg Investment Management, Inc. cut from its top 50 Greenlight Cap Re Ltd (GLRE), cut from its top 50 Hilton Grand Vacations Inc (HGV), cut from its top 50 Liberty Cap Corp (GLBKV), Amazon Com Inc (AMZN) (-97.4% shares), Versant Media Group Inc (VSNTV) (-31.8% shares) and Ponce Financial Group Inc (PDLB) (-28.7% shares), compared with its Q1 2026 filing.
How has Wittenberg Investment Management, Inc.'s portfolio performed?
A portfolio copying Wittenberg Investment Management, Inc.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +19.6% a year over the last 3 years, against +18.8% for the S&P 500. Over 1 year: +29.4% against +20.1%. Over 5 years: +10.0% a year against +8.5%.
When is Wittenberg Investment Management, Inc.'s next 13F filing due?
13F filings are due 45 days after each quarter ends. Wittenberg Investment Management, Inc.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Wittenberg Investment Management, Inc. manage?
Wittenberg Investment Management, Inc. reported $385.2M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $292.5M.