Wittenberg Investment Management, Inc.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 11, 2025), Wittenberg Investment Management, Inc. reported 75 stock positions worth $227.5 million. Its top holding was Berkshire Hathaway Class B (BRK.B) at 23.2% of the portfolio, followed by Sirius XM (SIRI, 11.1%) and Apple (AAPL, 9.7%). Compared with Q1 2025, it opened 6 new positions, sold out of 4, added to 13 and reduced 30. The biggest buy was Tidewater (TDW, shares +156%) and the biggest sale Berkshire Hathaway Class B (BRK.B, shares −2%).

Most Recent 13F
Q2 2026
Location
CARLISLE, MA
CIK
0001697790
Portfolio Value
$227.5M (Q2 2025)
SEC Filing
0001062993-25-014036 ↗ filed Aug 11, 2025

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $290.2M Q1 2024 Q2 2024: $290.7M Q2 2024 Q3 2024: $308.5M Q3 2024 Q4 2024: $253.1M Q4 2024 Q1 2025: $220.2M Q1 2025 Q2 2025: $227.5M $227.5M Q2 2025 Q3 2025: $250.5M Q3 2025 Q4 2025: $259.3M Q4 2025 Q1 2026: $267.7M Q1 2026 Q2 2026: $291.1M Q2 2026

Holdings 75 stocks · $227.5M

BRK.B Berkshire Hathaway Inc. Class B 23.16% 108,448 $52.7M Reduce -2.0%
SIRI Sirius XM Holdings Inc. 11.14% 1,103,310 $25.3M Reduce -0.2%
AAPL Apple Inc. 9.72% 107,797 $22.1M Reduce -0.4%
GOOG Alphabet Inc. Class C 7.21% 92,486 $16.4M Reduce -0.6%
GOOGL Alphabet Inc. Class A 6.11% 78,872 $13.9M Reduce -1.4%
WBD Warner Bros Discovery Inc. 2.92% 578,954 $6.6M Add +0.1%
MSFT Microsoft Corp. 2.84% 12,995 $6.5M Reduce -3.0%
JPM JPMorgan Chase & Co. 2.70% 21,220 $6.2M Reduce -3.2%
SSP Ew Scripps Co./the-A filed as SCRIPPS E W CO OHIO 2.70% 2,087,724 $6.1M Add +2.5%
LBRDA Liberty Broadband-A 1.92% 44,621 $4.4M Reduce -45.3%
LLYVA Liberty Media Corp.-Liberty-A 1.63% 46,660 $3.7M Reduce -4.7%
TDW Tidewater Inc. 1.62% 79,712 $3.7M Add +155.9%
LILA Liberty Latin Americ Class A 1.60% 595,207 $3.6M Add +1.1%
LBRDK Liberty Broadband-C 1.48% 34,213 $3.4M Reduce -0.7%
LYV Live Nation Entertainment Inc. 1.28% 19,176 $2.9M No change
GLDD Great Lakes Dredge & Dock Co. 1.05% 196,800 $2.4M Reduce -13.8%
BAC Bank of America Corp. filed as BANK AMERICA CORP 1.01% 48,664 $2.3M No change
JEF Jefferies Financial Group Inc. 0.90% 37,574 $2.1M Reduce -1.6%
NFLX Netflix Inc. 0.90% 1,528 $2.0M Reduce -0.7%
LMB Limbach Holdings Inc. 0.90% 14,597 $2.0M No change
SPOT Spotify Technology SA 0.85% 2,525 $1.9M No change
CABO Cable One Inc. 0.83% 13,930 $1.9M New
LBTYA Liberty Global Ltd. Class A 0.83% 188,722 $1.9M Add +15.2%
LILAK Liberty Latin Americ Class C 0.82% 300,966 $1.9M Add +2.6%
TRIP Tripadvisor Inc. 0.72% 126,000 $1.6M No change
PHIN Phinia Inc. 0.69% 35,507 $1.6M No change
FWONA Liberty Media Corp. Class A 0.69% 16,448 $1.6M Reduce -0.7%
RDI Reading International Inc. Class A 0.67% 1,135,446 $1.5M Reduce -7.4%
OXY Occidental Petroleum Corp. 0.64% 34,700 $1.5M New
GTX Garrett Motion Inc. 0.63% 136,957 $1.4M Reduce -1.6%
PSMT Pricesmart Inc. 0.62% 13,464 $1.4M Reduce -0.7%
GS Goldman Sachs Group Inc. 0.56% 1,796 $1.3M Reduce -6.9%
BATRK Atlanta Braves Holdings in-C 0.55% 26,871 $1.3M Reduce -0.7%
THRY Thryv Holdings Inc. 0.55% 102,184 $1.2M Add +26.3%
APA Apa Corp. 0.48% 60,000 $1.1M No change
LLYVK Liberty Media Corp.-Liberty-C 0.47% 13,203 $1.1M Reduce -1.9%
WFC Wells Fargo & Co. 0.41% 11,778 $944K Reduce -1.3%
FWONK Liberty Media Corp. Class C 0.40% 8,705 $910K Reduce -2.8%
PDLB Ponce Financial Group Inc. 0.39% 64,217 $889K No change
CTGO Contango Silver & Gold Inc. 0.32% 37,380 $728K Reduce -21.3%
AXP American Express Co. 0.27% 1,900 $606K No change
AMZN Amazon.com Inc. 0.26% 2,691 $590K No change
HGV Hilton Grand Vacations Inc. 0.26% 14,000 $581K New
CMG Chipotle Mexican Grill Inc. 0.25% 10,100 $567K No change
GLRE Greenlight Capital Re Ltd. Class A 0.24% 38,500 $553K No change
CAR Avis Budget Group Inc. 0.24% 3,228 $546K No change
LEE Lee Enterprises 0.24% 85,043 $544K Add +20.1%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.22% 3,978 $493K Reduce -1.2%
IWS iShares Russell Mid-Cap Valu 0.20% 3,478 $460K New
BP BP PLC-Spons ADR 0.20% 15,300 $458K No change
PNRG Primeenergy Resources Corp. 0.19% 3,000 $439K New
BYFC Broadway Financial Corp. 0.18% 55,835 $405K Add +3.6%
MCY Mercury General Corp. 0.18% 5,938 $400K Reduce -3.3%
NN Nextnav Inc. 0.17% 25,000 $380K No change
WH Wyndham Hotels & Resorts Inc. 0.16% 4,467 $363K No change
WBA Walgreens Boots Alliance Inc. 0.16% 31,000 $356K Add +24.0%
TNL Travel + Leisure Co. 0.13% 5,573 $288K No change
JNJ Johnson & Johnson 0.11% 1,674 $256K No change
CET Central Securities Corp. 0.11% 5,186 $248K No change
COST Costco Wholesale Corp. 0.11% 250 $247K No change
CMCSA Comcast Corp. Class A 0.11% 6,850 $244K Reduce -5.5%
QVCAQ QVC Group Inc. 0.10% 86,153 $237K Add +12.8%
MCD McDonald's Corp. 0.10% 800 $234K No change
T AT&T Inc. 0.10% 7,885 $228K Reduce -4.0%
ZTS Zoetis Inc. 0.10% 1,455 $227K No change
COOP Mr Cooper Group Inc. 0.10% 1,500 $224K New
SNREY Sunrise Communicat Class A 0.10% 3,920 $222K Reduce -62.8%
EML The Eastern Co. 0.09% 9,034 $206K No change
BLFY Blue Foundry Bancorp 0.09% 21,513 $206K Add +16.2%
CLST Catalyst Bancorp Inc. 0.07% 13,669 $169K No change
FSEA First Seacoast Bancorp Inc. 0.07% 13,116 $149K Reduce -12.8%
LFCR Lifecore Biomedical Inc. 0.06% 17,223 $140K Add +40.9%
LBTYK Liberty Global Ltd. Class C 0.06% 12,856 $133K No change
AWX Avalon Holdings Corp. Class A 0.04% 36,811 $92K No change
SSY Sunlink Health Systems Inc. 0.02% 51,592 $45K Reduce -11.3%
Other holdings (1): bonds, preferreds, convertibles and warrants · $1.5M (not counted above)
SecurityClassShares / PrincipalValueChange
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A 1,294$1.5MNo change

Total filed on the 13F, all lines: $229.0M.

Portfolio Sells Q1 2025 → Q2 2025

BRK.B Berkshire Hathaway Inc. Class B Reduce -2.0% 23.16% −3.61
LBRDA Liberty Broadband-A Reduce -45.3% 1.92% −1.23
AAPL Apple Inc. Reduce -0.4% 9.72% −1.20
SGOV iShares 0-3 Month Treasury B Sold out 0.00% −0.30
SHV iShares 0-1 Year Treasury Bo Sold out 0.00% −0.19
SIRI Sirius XM Holdings Inc. Reduce -0.2% 11.14% −0.17
SNREY Sunrise Communicat Class A Reduce -62.8% 0.10% −0.13
RDI Reading International Inc. Class A Reduce -7.4% 0.67% −0.10
WMPN William Penn Bancorp Sold out 0.00% −0.06
ENZB Enzo Biochem Inc. Sold out 0.00% −0.05
JEF Jefferies Financial Group Inc. Reduce -1.6% 0.90% −0.03
CMCSA Comcast Corp. Class A Reduce -5.5% 0.11% −0.01
FSEA First Seacoast Bancorp Inc. Reduce -12.8% 0.07% −0.01
SSY Sunlink Health Systems Inc. Reduce -11.3% 0.02% −0.01
T AT&T Inc. Reduce -4.0% 0.10% −0.01
MCY Mercury General Corp. Reduce -3.3% 0.18% +0.02
WFC Wells Fargo & Co. Reduce -1.3% 0.41% +0.03
FWONK Liberty Media Corp. Class C Reduce -2.8% 0.40% +0.03
DIS The Walt Disney Co. Reduce -1.2% 0.22% +0.04
LLYVK Liberty Media Corp.-Liberty-C Reduce -1.9% 0.47% +0.05
BATRK Atlanta Braves Holdings in-C Reduce -0.7% 0.55% +0.06
FWONA Liberty Media Corp. Class A Reduce -0.7% 0.69% +0.07
GS Goldman Sachs Group Inc. Reduce -6.9% 0.56% +0.08
PSMT Pricesmart Inc. Reduce -0.7% 0.62% +0.08
CTGO Contango Silver & Gold Inc. Reduce -21.3% 0.32% +0.10
GTX Garrett Motion Inc. Reduce -1.6% 0.63% +0.10
LLYVA Liberty Media Corp.-Liberty-A Reduce -4.7% 1.63% +0.14
LBRDK Liberty Broadband-C Reduce -0.7% 1.48% +0.15
GLDD Great Lakes Dredge & Dock Co. Reduce -13.8% 1.05% +0.15
NFLX Netflix Inc. Reduce -0.7% 0.90% +0.25
JPM JPMorgan Chase & Co. Reduce -3.2% 2.70% +0.26
GOOGL Alphabet Inc. Class A Reduce -1.4% 6.11% +0.50
MSFT Microsoft Corp. Reduce -3.0% 2.84% +0.56
GOOG Alphabet Inc. Class C Reduce -0.6% 7.21% +0.61

Portfolio Buys Q1 2025 → Q2 2025

TDW Tidewater Inc. Add +155.9% 1.62% +1.02
CABO Cable One Inc. New 0.83% +0.83
OXY Occidental Petroleum Corp. New 0.64% +0.64
HGV Hilton Grand Vacations Inc. New 0.26% +0.26
IWS iShares Russell Mid-Cap Valu New 0.20% +0.20
PNRG Primeenergy Resources Corp. New 0.19% +0.19
WBD Warner Bros Discovery Inc. Add +0.1% 2.92% +0.10
COOP Mr Cooper Group Inc. New 0.10% +0.10
THRY Thryv Holdings Inc. Add +26.3% 0.55% +0.08
WBA Walgreens Boots Alliance Inc. Add +24.0% 0.16% +0.03
LFCR Lifecore Biomedical Inc. Add +40.9% 0.06% +0.02
BLFY Blue Foundry Bancorp Add +16.2% 0.09% +0.01
BYFC Broadway Financial Corp. Add +3.6% 0.18% +0.00
LILAK Liberty Latin Americ Class C Add +2.6% 0.82% −0.00
LBTYA Liberty Global Ltd. Class A Add +15.2% 0.83% −0.03
SSP Ew Scripps Co./the-A Add +2.5% 2.70% −0.04
LEE Lee Enterprises Add +20.1% 0.24% −0.09
LILA Liberty Latin Americ Class A Add +1.1% 1.60% −0.10
QVCAQ QVC Group Inc. Add +12.8% 0.10% −0.24

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 77$291.1MBRK.B, AAPL, SIRI, GOOG, GOOGL
Q1 2026 73$267.7MBRK.B, AAPL, SIRI, GOOG, GOOGL
Q4 2025 71$259.3MBRK.B, AAPL, GOOG, SIRI, GOOGL
Q3 2025 74$250.5MBRK.B, AAPL, SIRI, GOOG, GOOGL
Q2 2025 75$227.5MBRK.B, SIRI, AAPL, GOOG, GOOGL
Q1 2025 73$220.2MBRK.B, SIRI, AAPL, GOOG, GOOGL
Q4 2024 73$253.1MBRK.B, AAPL, SIRI, GOOG, GOOGL
Q3 2024 79$308.5MBRK.B, AAPL, SIRI, GOOGL, GOOG
Q2 2024 80$290.7MBRK.B, AAPL, GOOGL, GOOG, LSXMA
Q1 2024 81$290.2MBRK.B, AAPL, GOOGL, GOOG, LSXMA