Filed: 11/13/2025ACC: 0001062993-25-016732
📋 What this filing means
WITTENBERG INVESTMENT MANAGEMENT, INC. filed this quarterly 13F‑HR report disclosing 75 equity positions with a total reported market value of $252.03M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
75
Positions
$252.03M
Total AUM (reported)
8.07M
Total Shares
Allocation by class
COM$77.77M30.9%
CL B NEW$54.11M21.5%
COMMON STOCK$29.47M11.7%
CAP STK CL C$20.94M8.3%
COM SER A$17.22M6.8%
CAP STK CL A$16.74M6.6%
COM CL A$6.38M2.5%
Portfolio Concentration
Top 3$107.17M42.5%
4–10$72.82M28.9%
11–25$39.70M15.8%
Rest$32.34M12.8%
Top 3 weight
42.5%
Top 10 weight
71.4%
Voting Authority Distribution
Total shares with voting rights: 8.07M
Sole
Full voting authority
8.05M
shares
% of voting shares99.8%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
19.02K
shares
% of voting shares0.2%
Investment Discretion (by position count)
Sole75
Shared0
Other0
Dominant voting typeSole · 99.8% of voting shares
Institutional Holdings75
Rows:
BERKSHIRE HATHAWAY INC DEL
SOLEShares107.63K
TypeSH
Market value$54.11M
21.47%
Sole
107K
Shared
0.00
None
628.00
APPLE INC
SOLEShares106.49K
TypeSH
Market value$27.11M
10.76%
Sole
106.29K
Shared
0.00
None
200.00
SIRIUSXM HOLDINGS INC
SOLEShares1.11M
TypeSH
Market value$25.95M
10.29%
Sole
1.11M
Shared
0.00
None
1.05K
ALPHABET INC
SOLEShares85.99K
TypeSH
Market value$20.94M
8.31%
Sole
85.49K
Shared
0.00
None
500.00
ALPHABET INC
SOLEShares68.87K
TypeSH
Market value$16.74M
6.64%
Sole
68.57K
Shared
0.00
None
300.00
WARNER BROS DISCOVERY INC
SOLEShares540.43K
TypeSH
Market value$10.55M
4.19%
Sole
540.43K
Shared
0.00
None
0.00
JPMORGAN CHASE & CO.
SOLEShares21.22K
TypeSH
Market value$6.69M
2.66%
Sole
21.22K
Shared
0.00
None
0.00
LIBERTY BROADBAND CORP
SOLEShares100.72K
TypeSH
Market value$6.38M
2.53%
Sole
100.72K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares11.70K
TypeSH
Market value$6.06M
2.40%
Sole
11.62K
Shared
0.00
None
75.00
SCRIPPS E W CO OHIO
SOLEShares2.22M
TypeSH
Market value$5.45M
2.16%
Sole
2.21M
Shared
0.00
None
7K
LIBERTY MEDIA CORP DEL
SOLEShares46.66K
TypeSH
Market value$4.40M
1.75%
Sole
46.66K
Shared
0.00
None
0.00
TIDEWATER INC NEW
SOLEShares79.71K
TypeSH
Market value$4.25M
1.69%
Sole
79.71K
Shared
0.00
None
0.00
LIBERTY LATIN AMERICA LTD
SOLEShares505.78K
TypeSH
Market value$4.19M
1.66%
Sole
503.08K
Shared
0.00
None
2.70K
LIVE NATION ENTERTAINMENT IN
SOLEShares19.18K
TypeSH
Market value$3.13M
1.24%
Sole
19.18K
Shared
0.00
None
0.00
LIBERTY LATIN AMERICA LTD
SOLEShares299.91K
TypeSH
Market value$2.53M
1.00%
Sole
299.64K
Shared
0.00
None
269.00
BANK AMERICA CORP
SOLEShares47.66K
TypeSH
Market value$2.46M
0.98%
Sole
47.66K
Shared
0.00
None
0.00
JEFFERIES FINL GROUP INC
SOLEShares37.27K
TypeSH
Market value$2.44M
0.97%
Sole
37.27K
Shared
0.00
None
0.00
GREAT LAKES DREDGE & DOCK CO
SOLEShares191.80K
TypeSH
Market value$2.30M
0.91%
Sole
191.80K
Shared
0.00
None
0.00
CABLE ONE INC
SOLEShares12.70K
TypeSH
Market value$2.25M
0.89%
Sole
12.70K
Shared
0.00
None
0.00
LIBERTY GLOBAL LTD
SOLEShares190.72K
TypeSH
Market value$2.19M
0.87%
Sole
190.72K
Shared
0.00
None
0.00
TRIPADVISOR INC
SOLEShares126K
TypeSH
Market value$2.05M
0.81%
Sole
126K
Shared
0.00
None
0.00
PHINIA INC
SOLEShares35.51K
TypeSH
Market value$2.04M
0.81%
Sole
35.51K
Shared
0.00
None
0.00
LIBERTY BROADBAND CORP
SOLEShares30.61K
TypeSH
Market value$1.95M
0.77%
Sole
30.61K
Shared
0.00
None
0.00
SPOTIFY TECHNOLOGY S A
SOLEShares2.52K
TypeSH
Market value$1.76M
0.70%
Sole
2.52K
Shared
0.00
None
0.00
NETFLIX INC
SOLEShares1.47K
TypeSH
Market value$1.76M
0.70%
Sole
1.47K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 107.63K | SH | $54.11M 21.47% | 107K | 0.00 | 628.00 |
APPLE INCSOLE | COM | 106.49K | SH | $27.11M 10.76% | 106.29K | 0.00 | 200.00 |
SIRIUSXM HOLDINGS INCSOLE | COMMON STOCK | 1.11M | SH | $25.95M 10.29% | 1.11M | 0.00 | 1.05K |
ALPHABET INCSOLE | CAP STK CL C | 85.99K | SH | $20.94M 8.31% | 85.49K | 0.00 | 500.00 |
ALPHABET INCSOLE | CAP STK CL A | 68.87K | SH | $16.74M 6.64% | 68.57K | 0.00 | 300.00 |
WARNER BROS DISCOVERY INCSOLE | COM SER A | 540.43K | SH | $10.55M 4.19% | 540.43K | 0.00 | 0.00 |
JPMORGAN CHASE & CO.SOLE | COM | 21.22K | SH | $6.69M 2.66% | 21.22K | 0.00 | 0.00 |
LIBERTY BROADBAND CORPSOLE | COM SER A | 100.72K | SH | $6.38M 2.53% | 100.72K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 11.70K | SH | $6.06M 2.40% | 11.62K | 0.00 | 75.00 |
SCRIPPS E W CO OHIOSOLE | CL A NEW | 2.22M | SH | $5.45M 2.16% | 2.21M | 0.00 | 7K |
LIBERTY MEDIA CORP DELSOLE | COM LBTY LIV S A | 46.66K | SH | $4.40M 1.75% | 46.66K | 0.00 | 0.00 |
TIDEWATER INC NEWSOLE | COM | 79.71K | SH | $4.25M 1.69% | 79.71K | 0.00 | 0.00 |
LIBERTY LATIN AMERICA LTDSOLE | COM CL A | 505.78K | SH | $4.19M 1.66% | 503.08K | 0.00 | 2.70K |
LIVE NATION ENTERTAINMENT INSOLE | COM | 19.18K | SH | $3.13M 1.24% | 19.18K | 0.00 | 0.00 |
LIBERTY LATIN AMERICA LTDSOLE | COM CL C | 299.91K | SH | $2.53M 1.00% | 299.64K | 0.00 | 269.00 |
BANK AMERICA CORPSOLE | COM | 47.66K | SH | $2.46M 0.98% | 47.66K | 0.00 | 0.00 |
JEFFERIES FINL GROUP INCSOLE | COM | 37.27K | SH | $2.44M 0.97% | 37.27K | 0.00 | 0.00 |
GREAT LAKES DREDGE & DOCK COSOLE | COM | 191.80K | SH | $2.30M 0.91% | 191.80K | 0.00 | 0.00 |
CABLE ONE INCSOLE | COM | 12.70K | SH | $2.25M 0.89% | 12.70K | 0.00 | 0.00 |
LIBERTY GLOBAL LTDSOLE | COM CL A | 190.72K | SH | $2.19M 0.87% | 190.72K | 0.00 | 0.00 |
TRIPADVISOR INCSOLE | COM | 126K | SH | $2.05M 0.81% | 126K | 0.00 | 0.00 |
PHINIA INCSOLE | COMMON STOCK | 35.51K | SH | $2.04M 0.81% | 35.51K | 0.00 | 0.00 |
LIBERTY BROADBAND CORPSOLE | COM SER C | 30.61K | SH | $1.95M 0.77% | 30.61K | 0.00 | 0.00 |
SPOTIFY TECHNOLOGY S ASOLE | SHS | 2.52K | SH | $1.76M 0.70% | 2.52K | 0.00 | 0.00 |
NETFLIX INCSOLE | COM | 1.47K | SH | $1.76M 0.70% | 1.47K | 0.00 | 0.00 |
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