WI
Wittenberg Investment Management, Inc.
13F filer · CIK 0001697790Reported Aug 12, 2026
Net seller this quarter
13F portfolio value$292MU.S. long equity reported on 13F
Positions778 new · 4 closed
Net flow last quarter-$27.8MBuys minus sells
Top 10 positions weight69.9%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 12, 202677 positions | |||||
| $50.8M | 17.37% | Not reported | Not reported | Q4 2016 | |
| $28.9M | 9.87% | 0.00% | -3.0% | Q4 2016 | |
| $27.6M | 9.44% | 0.28% | -15.6% | Q4 2016 | |
| $27.3M | 9.35% | Not reported | -5.7% | Q4 2016 | |
| $23.2M | 7.94% | 0.00% | -2.5% | Q4 2016 | |
| $14.4M | 4.93% | 0.02% | Not reported | Q2 2022 | |
| $9.43M | 3.22% | 0.59% | +17.5% | Q2 2023 | |
| LBLBRDALiberty Broadband Corp | $8.64M | 2.95% | Not reported | +108.3% | Q4 2016 |
| $7.3M | 2.50% | Not reported | +12.1% | Q4 2020 | |
| $6.69M | 2.29% | 0.00% | -0.1% | Q4 2016 | |
| $6.39M | 2.19% | 0.89% | +7.3% | Q1 2026 | |
| $4.71M | 1.61% | Not reported | Not reported | Q3 2023 | |
| $4.38M | 1.50% | 2.50% | +0.8% | Q3 2022 | |
| $4.36M | 1.49% | 0.00% | Not reported | Q4 2016 | |
| $3.6M | 1.23% | 0.11% | -3.4% | Q2 2019 | |
| $3.58M | 1.23% | Not reported | -37.9% | Q4 2016 | |
| $3.43M | 1.17% | 0.01% | Not reported | Q4 2016 | |
| $3.34M | 1.14% | Not reported | -31.8% | Q1 2026 | |
| $3.15M | 1.08% | 0.11% | +37.8% | Q3 2024 | |
| $2.57M | 0.88% | 0.00% | Not reported | Q4 2016 | |
| $2.46M | 0.84% | Not reported | -5.7% | Q4 2016 | |
| $2.34M | 0.80% | 0.04% | -5.9% | Q4 2016 | |
| $2.28M | 0.78% | 0.01% | -3.0% | Q4 2025 | |
| $1.95M | 0.67% | 0.02% | Not reported | Q1 2024 | |
| $1.85M | 0.63% | Not reported | -45.1% | Q4 2016 | |
| $1.84M | 0.63% | 0.02% | -0.5% | Q2 2018 | |
| $1.69M | 0.58% | 0.00% | Not reported | Q2 2025 | |
| $1.69M | 0.58% | 0.06% | -11.1% | Q3 2023 | |
| $1.65M | 0.56% | 0.83% | +4.0% | Q2 2024 | |
| $1.64M | 0.56% | 0.00% | -9.7% | Q4 2016 | |
| $1.43M | 0.49% | Not reported | Not reported | Q3 2023 | |
| $1.38M | 0.47% | Not reported | Not reported | Q3 2023 | |
| $1.32M | 0.45% | Not reported | -2.7% | Q3 2023 | |
| $1.24M | 0.43% | Not reported | -1.5% | Q4 2016 | |
| LBLBRDKLiberty Broadband Corp | $1.16M | 0.40% | Not reported | +19.1% | Q4 2016 |
| $1.16M | 0.40% | 0.00% | Not reported | Q2 2022 | |
| $1.13M | 0.38% | Not reported | New | Q2 2026 | |
| $1.12M | 0.38% | 0.12% | Not reported | Q3 2018 | |
| $1.06M | 0.36% | 0.35% | -14.9% | Q2 2025 | |
| $1.02M | 0.35% | 0.00% | Not reported | Q2 2022 | |
| $990K | 0.34% | 0.19% | +18.8% | Q3 2022 | |
| $935K | 0.32% | 0.00% | Not reported | Q4 2018 | |
| $913K | 0.31% | 0.19% | -28.7% | Q1 2023 | |
| $809K | 0.28% | Not reported | Not reported | Q4 2016 | |
| $769K | 0.26% | Not reported | +35.8% | Q4 2025 | |
| NBNFBKNorthfield Bancorp, Inc. | $740K | 0.25% | 0.12% | New | Q2 2026 |
| $643K | 0.22% | 0.00% | Not reported | Q4 2016 | |
| $641K | 0.22% | 0.00% | -97.4% | Q4 2022 | |
| $572K | 0.20% | Not reported | Not reported | Q3 2021 | |
| $563K | 0.19% | 0.21% | +62.7% | Q2 2025 | |
| Q1 2026Reported May 14, 202673 positions | |||||
| $48.6M | 18.08% | Not reported | -0.6% | Q4 2016 | |
| $26.1M | 9.70% | 0.00% | -1.8% | Q4 2016 | |
| $25.6M | 9.50% | 0.33% | +1.4% | Q4 2016 | |
| $23.5M | 8.75% | Not reported | -3.7% | Q4 2016 | |
| $19.2M | 7.12% | 0.00% | -2.1% | Q4 2016 | |
| $14.8M | 5.52% | 0.02% | Not reported | Q2 2022 | |
| $8.75M | 3.25% | Not reported | +1.8% | Q4 2020 | |
| LBLBRDALiberty Broadband Corp | $6.26M | 2.33% | Not reported | +38.4% | Q4 2016 |
| $6.24M | 2.32% | 0.50% | +243.8% | Q2 2023 | |
| $6.05M | 2.25% | 0.00% | -0.5% | Q4 2016 | |
| $5.03M | 1.87% | Not reported | New | Q1 2026 | |
| $4.68M | 1.74% | 0.11% | -15.5% | Q2 2019 | |
| $4.56M | 1.69% | 0.83% | New | Q1 2026 | |
| $4.33M | 1.61% | 0.00% | Not reported | Q4 2016 | |
| $4.32M | 1.61% | Not reported | +0.1% | Q4 2016 | |
| $4.26M | 1.58% | Not reported | -0.2% | Q3 2023 | |
| $3.02M | 1.12% | 2.49% | +178.9% | Q3 2022 | |
| $2.86M | 1.06% | 0.01% | Not reported | Q4 2016 | |
| $2.59M | 0.96% | Not reported | -2.0% | Q4 2016 | |
| $2.55M | 0.95% | 0.02% | Not reported | Q1 2024 | |
| $2.46M | 0.91% | Not reported | +7.0% | Q4 2016 | |
| $2.26M | 0.84% | 0.00% | Not reported | Q2 2025 | |
| $2.2M | 0.82% | 0.00% | -5.3% | Q4 2016 | |
| $2.14M | 0.80% | 0.41% | +45.1% | Q2 2025 | |
| $2.06M | 0.76% | 0.09% | +6.0% | Q3 2024 | |
| $1.91M | 0.71% | 0.04% | -4.9% | Q4 2016 | |
| $1.7M | 0.63% | 0.01% | Not reported | Q4 2025 | |
| $1.57M | 0.59% | 0.06% | -2.1% | Q3 2023 | |
| $1.53M | 0.57% | 0.02% | Not reported | Q2 2018 | |
| $1.52M | 0.56% | 0.00% | Not reported | Q4 2016 | |
| LBLBRDKLiberty Broadband Corp | $1.47M | 0.55% | Not reported | -0.6% | Q4 2016 |
| $1.37M | 0.51% | 0.00% | -1.7% | Q2 2022 | |
| $1.27M | 0.47% | Not reported | -0.5% | Q3 2023 | |
| $1.22M | 0.46% | 0.00% | Not reported | Q2 2022 | |
| $1.21M | 0.45% | Not reported | -1.5% | Q3 2023 | |
| $1.14M | 0.42% | 0.12% | Not reported | Q3 2018 | |
| $1.14M | 0.42% | Not reported | -0.5% | Q3 2023 | |
| $1.12M | 0.42% | 0.81% | +1289.4% | Q2 2024 | |
| $1.11M | 0.41% | Not reported | -0.6% | Q4 2016 | |
| $1.07M | 0.40% | 0.27% | Not reported | Q1 2023 | |
| $990K | 0.37% | 0.17% | +41.2% | Q3 2022 | |
| $901K | 0.33% | 0.00% | -0.9% | Q4 2018 | |
| $723K | 0.27% | Not reported | -0.6% | Q4 2016 | |
| $595K | 0.22% | 0.10% | -9.5% | Q4 2018 | |
| $575K | 0.21% | 0.00% | Not reported | Q4 2016 | |
| $560K | 0.21% | 0.00% | +3719.3% | Q4 2022 | |
| $548K | 0.20% | 0.02% | Not reported | Q3 2024 | |
| $534K | 0.20% | Not reported | -0.2% | Q3 2025 | |
| $520K | 0.19% | Not reported | +44.5% | Q4 2025 | |
| $507K | 0.19% | Not reported | Not reported | Q3 2021 | |
| Q4 2025Reported Feb 13, 202671 positions | |||||
| $51.4M | 19.70% | Not reported | -5.1% | Q4 2016 | |
| $28.5M | 10.91% | 0.00% | -1.7% | Q4 2016 | |
| $26.7M | 10.25% | Not reported | -0.9% | Q4 2016 | |
| $21.8M | 8.38% | 0.33% | -2.0% | Q4 2016 | |
| $21.3M | 8.17% | 0.00% | -1.2% | Q4 2016 | |
| $15.6M | 5.97% | 0.02% | Not reported | Q2 2022 | |
| $9.22M | 3.54% | Not reported | +4.2% | Q4 2020 | |
| $6.66M | 2.55% | 0.00% | -2.6% | Q4 2016 | |
| $5.66M | 2.17% | 0.00% | Not reported | Q4 2016 | |
| LBLBRDALiberty Broadband Corp | $4.35M | 1.67% | Not reported | -10.6% | Q4 2016 |
| $3.8M | 1.46% | Not reported | -0.1% | Q3 2023 | |
| $3.69M | 1.42% | Not reported | -1.2% | Q4 2016 | |
| $3.34M | 1.28% | 0.13% | -16.9% | Q2 2019 | |
| $2.67M | 1.02% | 0.01% | -2.4% | Q4 2016 | |
| $2.62M | 1.01% | 0.00% | Not reported | Q4 2016 | |
| $2.48M | 0.95% | 0.15% | +35.1% | Q2 2023 | |
| GLGLDDGreat Lakes Dredge & Dock Corporation | $2.4M | 0.92% | 0.27% | -4.5% | Q4 2022 |
| $2.39M | 0.92% | 0.90% | +331.1% | Q3 2022 | |
| $2.3M | 0.88% | 0.02% | -0.5% | Q2 2018 | |
| $2.24M | 0.86% | Not reported | -0.1% | Q4 2016 | |
| $2.12M | 0.81% | Not reported | -0.3% | Q4 2016 | |
| $2.01M | 0.77% | 0.09% | +384.2% | Q3 2024 | |
| $1.83M | 0.70% | 0.29% | +27.6% | Q2 2025 | |
| $1.64M | 0.63% | 0.04% | -0.7% | Q4 2016 | |
| $1.58M | 0.61% | 0.00% | Not reported | Q4 2016 | |
| $1.47M | 0.57% | 0.06% | -33.8% | Q3 2023 | |
| $1.47M | 0.56% | 0.02% | Not reported | Q1 2024 | |
| $1.47M | 0.56% | 0.00% | Not reported | Q2 2022 | |
| $1.47M | 0.56% | Not reported | -0.3% | Q3 2023 | |
| LBLBRDKLiberty Broadband Corp | $1.43M | 0.55% | Not reported | -3.7% | Q4 2016 |
| $1.43M | 0.55% | 0.00% | Not reported | Q2 2025 | |
| $1.36M | 0.52% | 0.00% | -1.0% | Q2 2022 | |
| OQQVCGAOld QVC Group, Inc. | $1.19M | 0.46% | Not reported | +41.1% | Q2 2018 |
| $1.14M | 0.44% | 0.13% | Not reported | Q3 2018 | |
| $1.08M | 0.42% | Not reported | -1.1% | Q3 2023 | |
| $1.06M | 0.41% | 0.00% | Not reported | Q4 2018 | |
| $1.06M | 0.41% | Not reported | -0.4% | Q3 2023 | |
| $1.05M | 0.40% | 0.27% | Not reported | Q1 2023 | |
| $1.04M | 0.40% | Not reported | -10.4% | Q4 2016 | |
| $988K | 0.38% | 0.01% | New | Q4 2025 | |
| $987K | 0.38% | 0.25% | Not reported | Q3 2022 | |
| $843K | 0.32% | Not reported | -1.7% | Q4 2016 | |
| $703K | 0.27% | 0.00% | Not reported | Q4 2016 | |
| $627K | 0.24% | 0.02% | Not reported | Q3 2024 | |
| $621K | 0.24% | 0.00% | Not reported | Q4 2022 | |
| $558K | 0.21% | 0.02% | -26.3% | Q3 2021 | |
| $554K | 0.21% | 0.11% | Not reported | Q4 2018 | |
| $535K | 0.21% | Not reported | +88.7% | Q3 2025 | |
| $491K | 0.19% | Not reported | Not reported | Q3 2021 | |
| $447K | 0.17% | 0.00% | -1.3% | Q4 2016 | |
| Q3 2025Reported Nov 13, 202573 positions | |||||
| $54.1M | 21.47% | Not reported | -0.8% | Q4 2016 | |
| $27.1M | 10.76% | 0.00% | -1.2% | Q4 2016 | |
| $25.9M | 10.29% | 0.33% | +1.0% | Q4 2016 | |
| $20.9M | 8.31% | Not reported | -7.0% | Q4 2016 | |
| $16.7M | 6.64% | 0.00% | -12.7% | Q4 2016 | |
| $10.6M | 4.19% | 0.02% | -6.7% | Q2 2022 | |
| $6.69M | 2.66% | 0.00% | Not reported | Q4 2016 | |
| LBLBRDALiberty Broadband Corp | $6.38M | 2.53% | Not reported | +125.7% | Q4 2016 |
| $6.06M | 2.40% | 0.00% | -10.0% | Q4 2016 | |
| $5.45M | 2.16% | Not reported | +6.2% | Q4 2020 | |
| $4.4M | 1.75% | Not reported | Not reported | Q3 2023 | |
| $4.25M | 1.69% | 0.16% | Not reported | Q2 2019 | |
| $4.19M | 1.66% | Not reported | -15.0% | Q4 2016 | |
| $3.13M | 1.24% | 0.01% | Not reported | Q4 2016 | |
| $2.53M | 1.00% | Not reported | -0.4% | Q4 2016 | |
| $2.46M | 0.98% | 0.00% | -2.1% | Q4 2016 | |
| $2.44M | 0.97% | 0.02% | -0.8% | Q2 2018 | |
| GLGLDDGreat Lakes Dredge & Dock Corporation | $2.3M | 0.91% | 0.29% | -2.5% | Q4 2022 |
| $2.25M | 0.89% | 0.23% | -8.8% | Q2 2025 | |
| $2.19M | 0.87% | Not reported | +1.1% | Q4 2016 | |
| $2.05M | 0.81% | 0.11% | Not reported | Q2 2023 | |
| $2.04M | 0.81% | 0.09% | Not reported | Q3 2023 | |
| LBLBRDKLiberty Broadband Corp | $1.95M | 0.77% | Not reported | -10.5% | Q4 2016 |
| $1.76M | 0.70% | 0.00% | Not reported | Q2 2022 | |
| $1.76M | 0.70% | 0.00% | -3.9% | Q2 2022 | |
| $1.64M | 0.65% | 0.00% | Not reported | Q2 2025 | |
| $1.63M | 0.65% | 0.04% | Not reported | Q4 2016 | |
| $1.63M | 0.65% | Not reported | -2.4% | Q4 2016 | |
| $1.57M | 0.62% | Not reported | Not reported | Q3 2023 | |
| $1.46M | 0.58% | 0.02% | Not reported | Q1 2024 | |
| $1.43M | 0.57% | 0.00% | Not reported | Q4 2016 | |
| $1.42M | 0.56% | 0.13% | Not reported | Q3 2018 | |
| $1.28M | 0.51% | Not reported | Not reported | Q3 2023 | |
| $1.12M | 0.44% | Not reported | Not reported | Q3 2023 | |
| $1.11M | 0.44% | 0.21% | -10.3% | Q3 2022 | |
| OQQVCGAOld QVC Group, Inc. | $1.09M | 0.43% | Not reported | -6.0% | Q2 2018 |
| $957K | 0.38% | 0.00% | -3.0% | Q4 2018 | |
| $944K | 0.37% | 0.27% | Not reported | Q1 2023 | |
| $932K | 0.37% | 0.25% | Not reported | Q3 2022 | |
| $909K | 0.36% | Not reported | Not reported | Q4 2016 | |
| $631K | 0.25% | 0.00% | Not reported | Q4 2016 | |
| $591K | 0.23% | 0.02% | -68.3% | Q3 2021 | |
| $591K | 0.23% | 0.00% | Not reported | Q4 2022 | |
| $585K | 0.23% | 0.02% | Not reported | Q3 2024 | |
| $529K | 0.21% | 1.57% | +14.4% | Q2 2020 | |
| $527K | 0.21% | Not reported | Not reported | Q4 2016 | |
| $518K | 0.21% | 0.01% | Not reported | Q4 2016 | |
| $488K | 0.19% | 0.01% | -3.0% | Q4 2016 | |
| $486K | 0.19% | Not reported | Not reported | Q3 2021 | |
| $483K | 0.19% | 0.11% | -1.3% | Q4 2018 | |
Premium opens every quarter this fund has filed