Wittenberg Investment Management, Inc.

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 13, 2025), Wittenberg Investment Management, Inc. reported 74 stock positions worth $250.5 million. Its top holding was Berkshire Hathaway Class B (BRK.B) at 21.6% of the portfolio, followed by Apple (AAPL, 10.8%) and Sirius XM (SIRI, 10.4%). Compared with Q2 2025, it sold out of 3, added to 6 and reduced 28. The biggest buy was Liberty Broadband-A (LBRDA, shares +126%) and the biggest sale Berkshire Hathaway Class B (BRK.B, shares −1%).

Most Recent 13F
Q2 2026
Location
CARLISLE, MA
CIK
0001697790
Portfolio Value
$250.5M (Q3 2025)
SEC Filing
0001062993-25-016732 ↗ filed Nov 13, 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 Q2 2025 Q3 2025: $250.5M $250.5M Q3 2025 Q4 2025: $259.3M Q4 2025 Q1 2026: $267.7M Q1 2026 Q2 2026: $291.1M Q2 2026

Holdings 74 stocks · $250.5M
BRK.B Berkshire Hathaway Inc. Class B 21.60% 107,628 $54.1M Reduce -0.8%
AAPL Apple Inc. 10.83% 106,487 $27.1M Reduce -1.2%
SIRI Sirius XM Holdings Inc. 10.36% 1,114,795 $25.9M Add +1.0%
GOOG Alphabet Inc. Class C 8.36% 85,986 $20.9M Reduce -7.0%
GOOGL Alphabet Inc. Class A 6.68% 68,872 $16.7M Reduce -12.7%
WBD Warner Bros Discovery Inc. 4.21% 540,434 $10.6M Reduce -6.7%
JPM JPMorgan Chase & Co. 2.67% 21,220 $6.7M No change
LBRDA Liberty Broadband-A 2.55% 100,721 $6.4M Add +125.7%
MSFT Microsoft Corp. 2.42% 11,695 $6.1M Reduce -10.0%
SSP Ew Scripps Co./the-A filed as SCRIPPS E W CO OHIO 2.18% 2,216,949 $5.5M Add +6.2%
LLYVA Liberty Media Corp.-Liberty-A 1.76% 46,660 $4.4M No change
TDW Tidewater Inc. 1.70% 79,712 $4.3M No change
LILA Liberty Latin Americ Class A 1.67% 505,777 $4.2M Reduce -15.0%
LYV Live Nation Entertainment Inc. 1.25% 19,176 $3.1M No change
LILAK Liberty Latin Americ Class C 1.01% 299,913 $2.5M Reduce -0.3%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.98% 47,664 $2.5M Reduce -2.0%
JEF Jefferies Financial Group Inc. 0.97% 37,274 $2.4M Reduce -0.8%
GLDD Great Lakes Dredge & Dock Co. 0.92% 191,800 $2.3M Reduce -2.5%
CABO Cable One Inc. 0.90% 12,700 $2.2M Reduce -8.8%
LBTYA Liberty Global Ltd. Class A 0.87% 190,722 $2.2M Add +1.1%
TRIP Tripadvisor Inc. 0.82% 126,000 $2.0M No change
PHIN Phinia Inc. 0.81% 35,507 $2.0M No change
LBRDK Liberty Broadband-C 0.78% 30,613 $1.9M Reduce -10.5%
SPOT Spotify Technology SA 0.70% 2,525 $1.8M No change
NFLX Netflix Inc. 0.70% 1,468 $1.8M Reduce -3.9%
OXY Occidental Petroleum Corp. 0.65% 34,700 $1.6M No change
PSMT Pricesmart Inc. 0.65% 13,464 $1.6M No change
RDI Reading International Inc. Class A 0.65% 1,108,002 $1.6M Reduce -2.4%
FWONA Liberty Media Corp. Class A 0.63% 16,448 $1.6M No change
APA Apa Corp. 0.58% 60,000 $1.5M No change
GS Goldman Sachs Group Inc. 0.57% 1,796 $1.4M No change
LMB Limbach Holdings Inc. 0.57% 14,597 $1.4M No change
LLYVK Liberty Media Corp.-Liberty-C 0.51% 13,203 $1.3M No change
BATRK Atlanta Braves Holdings in-C 0.45% 26,871 $1.1M No change
THRY Thryv Holdings Inc. 0.44% 91,684 $1.1M Reduce -10.3%
QVCAQ QVC Group Inc. 0.44% 80,962 $1.1M Reduce -6.0%
WFC Wells Fargo & Co. 0.38% 11,420 $957K Reduce -3.0%
PDLB Ponce Financial Group Inc. 0.38% 64,217 $944K No change
CTGO Contango Silver & Gold Inc. 0.37% 37,380 $932K No change
FWONK Liberty Media Corp. Class C 0.36% 8,705 $909K No change
AXP American Express Co. 0.25% 1,900 $631K No change
GTX Garrett Motion Inc. 0.24% 43,420 $591K Reduce -68.3%
AMZN Amazon.com Inc. 0.24% 2,691 $591K No change
HGV Hilton Grand Vacations Inc. 0.23% 14,000 $585K No change
LEE Lee Enterprises 0.21% 97,257 $529K Add +14.4%
BP BP PLC-Spons ADR 0.21% 15,300 $527K No change
CAR Avis Budget Group Inc. 0.21% 3,228 $518K No change
MCY Mercury General Corp. 0.19% 5,759 $488K Reduce -3.0%
IWS iShares Russell Mid-Cap Valu 0.19% 3,478 $486K No change
GLRE Greenlight Capital Re Ltd. Class A 0.19% 38,000 $483K Reduce -1.3%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.18% 3,978 $455K No change
BYFC Broadway Financial Corp. 0.16% 55,835 $400K No change
CMG Chipotle Mexican Grill Inc. 0.16% 10,100 $396K No change
NN Nextnav Inc. 0.14% 25,000 $358K No change
WH Wyndham Hotels & Resorts Inc. 0.14% 4,467 $357K No change
TNL Travel + Leisure Co. 0.13% 5,573 $332K No change
COOP Mr Cooper Group Inc. 0.13% 1,500 $316K No change
JNJ Johnson & Johnson 0.12% 1,674 $310K No change
GLIBK Liberty Capital Corp. Class C filed as GCI LIBERTY INC 0.11% 7,626 $284K Add +11.4%
GLIBA Liberty Capital Corp. filed as GCI LIBERTY INC 0.11% 7,511 $282K Reduce -15.8%
CET Central Securities Corp. 0.11% 5,186 $266K No change
MCD McDonald's Corp. 0.10% 800 $243K No change
COST Costco Wholesale Corp. 0.09% 250 $231K No change
T AT&T Inc. 0.09% 7,885 $223K No change
PNRG Primeenergy Resources Corp. 0.09% 1,300 $217K Reduce -56.7%
ZTS Zoetis Inc. 0.09% 1,455 $213K No change
CMCSA Comcast Corp. Class A 0.08% 6,750 $212K Reduce -1.5%
EML The Eastern Co. 0.08% 9,034 $212K No change
SNREY Sunrise Communicat Class A 0.08% 3,580 $210K Reduce -8.7%
BLFY Blue Foundry Bancorp 0.07% 20,313 $185K Reduce -5.6%
CLST Catalyst Bancorp Inc. 0.07% 13,669 $180K No change
LBTYK Liberty Global Ltd. Class C 0.05% 10,856 $128K Reduce -15.6%
LFCR Lifecore Biomedical Inc. 0.05% 17,223 $127K No change
AWX Avalon Holdings Corp. Class A 0.04% 36,784 $96K Reduce -0.1%
Other holdings (1): bonds, preferreds, convertibles and warrants · $1.6M (not counted above)
SecurityClassShares / PrincipalValueChange
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A 1,274$1.6MReduce -1.6%

Total filed on the 13F, all lines: $252.0M.

Portfolio Sells Q2 2025 → Q3 2025
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.8% 21.60% −1.55
LBRDK Liberty Broadband-C Reduce -10.5% 0.78% −0.70
MSFT Microsoft Corp. Reduce -10.0% 2.42% −0.42
GTX Garrett Motion Inc. Reduce -68.3% 0.24% −0.40
NFLX Netflix Inc. Reduce -3.9% 0.70% −0.20
WBA Walgreens Boots Alliance Inc. Sold out 0.00% −0.16
GLDD Great Lakes Dredge & Dock Co. Reduce -2.5% 0.92% −0.14
PNRG Primeenergy Resources Corp. Reduce -56.7% 0.09% −0.11
THRY Thryv Holdings Inc. Reduce -10.3% 0.44% −0.10
FSEA First Seacoast Bancorp Inc. Sold out 0.00% −0.07
GLRE Greenlight Capital Re Ltd. Class A Reduce -1.3% 0.19% −0.05
GLIBA Liberty Capital Corp. Reduce -15.8% 0.11% −0.03
WFC Wells Fargo & Co. Reduce -3.0% 0.38% −0.03
BAC Bank of America Corp. Reduce -2.0% 0.98% −0.03
CMCSA Comcast Corp. Class A Reduce -1.5% 0.08% −0.02
SSY Sunlink Health Systems Inc. Sold out 0.00% −0.02
RDI Reading International Inc. Class A Reduce -2.4% 0.65% −0.02
BLFY Blue Foundry Bancorp Reduce -5.6% 0.07% −0.02
SNREY Sunrise Communicat Class A Reduce -8.7% 0.08% −0.01
LBTYK Liberty Global Ltd. Class C Reduce -15.6% 0.05% −0.01
AWX Avalon Holdings Corp. Class A Reduce -0.1% 0.04% −0.00
MCY Mercury General Corp. Reduce -3.0% 0.19% +0.02
CABO Cable One Inc. Reduce -8.8% 0.90% +0.07
JEF Jefferies Financial Group Inc. Reduce -0.8% 0.97% +0.07
LILA Liberty Latin Americ Class A Reduce -15.0% 1.67% +0.08
LILAK Liberty Latin Americ Class C Reduce -0.3% 1.01% +0.19
QVCAQ QVC Group Inc. Reduce -6.0% 0.44% +0.33
GOOGL Alphabet Inc. Class A Reduce -12.7% 6.68% +0.57
AAPL Apple Inc. Reduce -1.2% 10.83% +1.10
GOOG Alphabet Inc. Class C Reduce -7.0% 8.36% +1.15
WBD Warner Bros Discovery Inc. Reduce -6.7% 4.21% +1.30

Portfolio Buys Q2 2025 → Q3 2025
LBRDA Liberty Broadband-A Add +125.7% 2.55% +0.63
LBTYA Liberty Global Ltd. Class A Add +1.1% 0.87% +0.04
GLIBK Liberty Capital Corp. Class C Add +11.4% 0.11% +0.00
LEE Lee Enterprises Add +14.4% 0.21% −0.03
SSP Ew Scripps Co./the-A Add +6.2% 2.18% −0.52
SIRI Sirius XM Holdings Inc. Add +1.0% 10.36% −0.78

Notes & Other Activity Q2 2025 → Q3 2025
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A Reduce -1.6% 1,274 $1.6M

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

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