Institutional Manager · CIK 0001697790
WITTENBERG INVESTMENT MANAGEMENT, INC.
CARLISLE, MA · File #028-17731
Latest AUM
$260.7M
Positions
72
Top-10 Concentration
75.2%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 202572 pos · $260.7M
- 13F HOLDINGS REPORTQ/E Sep 202575 pos · $252.0M
- 13F HOLDINGS REPORTQ/E Jun 202576 pos · $229.0M
- 13F HOLDINGS REPORTQ/E Mar 202574 pos · $221.8M
- 13F HOLDINGS REPORTQ/E Dec 202474 pos · $254.7M
- 13F HOLDINGS REPORTQ/E Sep 202480 pos · $311.5M
- 13F HOLDINGS REPORTQ/E Jun 202481 pos · $293.5M
- 13F HOLDINGS REPORTQ/E Mar 202482 pos · $293.4M
- 13F HOLDINGS REPORTQ/E Dec 202383 pos · $272,924
- 13F HOLDINGS REPORTQ/E Sep 202387 pos · $276,351
- 13F HOLDINGS REPORTQ/E Jun 202388 pos · $268,626
- 13F HOLDINGS REPORTQ/E Mar 202383 pos · $245,641
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 102,163 | $51.4M | 20.19% |
| 2 | APPLE INC | AAPL | 104,668 | $28.5M | 11.19% |
| 3 | ALPHABET INC | GOOG | 85,186 | $26.7M | 10.51% |
| 4 | SIRIUSXM HOLDINGS INC | 829933100 | 1,092,331 | $21.8M | 8.59% |
| 5 | ALPHABET INC | GOOG | 68,052 | $21.3M | 8.38% |
| 6 | WARNER BROS DISCOVERY INC | WBD | 540,434 | $15.6M | 6.13% |
| 7 | SCRIPPS E W CO OHIO | 811054402 | 2,310,061 | $9.2M | 3.62% |
| 8 | JPMORGAN CHASE & CO. | VYLD | 20,670 | $6.7M | 2.62% |
| 9 | MICROSOFT CORP | MSFT | 11,695 | $5.7M | 2.22% |
| 10 | LIBERTY BROADBAND CORP | LBRDP | 90,079 | $4.3M | 1.71% |
| 11 | LIBERTY MEDIA CORP DEL | FWONB | 46,614 | $3.8M | 1.49% |
| 12 | LIBERTY LATIN AMERICA LTD | LILAB | 499,977 | $3.7M | 1.45% |
| 13 | TIDEWATER INC NEW | TDGMW | 66,212 | $3.3M | 1.32% |
| 14 | LIVE NATION ENTERTAINMENT IN | LYV | 18,726 | $2.7M | 1.05% |
| 15 | BANK AMERICA CORP | 060505104 | 47,664 | $2.6M | 1.03% |
| 16 | TRIPADVISOR INC | TRIP | 170,259 | $2.5M | 0.97% |
| 17 | GREAT LAKES DREDGE & DOCK CO | GLDD | 183,100 | $2.4M | 0.94% |
| 18 | THRYV HLDGS INC | THRY | 395,234 | $2.4M | 0.94% |
| 19 | JEFFERIES FINL GROUP INC | 47233W109 | 37,074 | $2.3M | 0.90% |
| 20 | LIBERTY LATIN AMERICA LTD | LILAB | 299,697 | $2.2M | 0.88% |