Filed: 8/11/2025ACC: 0001062993-25-014036
📋 What this filing means
WITTENBERG INVESTMENT MANAGEMENT, INC. filed this quarterly 13F‑HR report disclosing 76 equity positions with a total reported market value of $229.01M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
76
Positions
$229.01M
Total AUM (reported)
8.24M
Total Shares
Allocation by class
COM$72.00M31.4%
CL B NEW$52.68M23.0%
COMMON STOCK$28.36M12.4%
CAP STK CL C$16.41M7.2%
CAP STK CL A$13.90M6.1%
COM SER A$11.00M4.8%
CL A NEW$6.54M2.9%
Portfolio Concentration
Top 3$100.14M43.7%
4–10$60.06M26.2%
11–25$37.37M16.3%
Rest$31.44M13.7%
Top 3 weight
43.7%
Top 10 weight
70.0%
Voting Authority Distribution
Total shares with voting rights: 8.24M
Sole
Full voting authority
8.22M
shares
% of voting shares99.8%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
18.60K
shares
% of voting shares0.2%
Investment Discretion (by position count)
Sole76
Shared0
Other0
Dominant voting typeSole · 99.8% of voting shares
Institutional Holdings76
Rows:
BERKSHIRE HATHAWAY INC DEL
SOLEShares108.45K
TypeSH
Market value$52.68M
23.00%
Sole
107.82K
Shared
0.00
None
628.00
SIRIUSXM HOLDINGS INC
SOLEShares1.10M
TypeSH
Market value$25.34M
11.07%
Sole
1.10M
Shared
0.00
None
1.05K
APPLE INC
SOLEShares107.80K
TypeSH
Market value$22.12M
9.66%
Sole
107.60K
Shared
0.00
None
200.00
ALPHABET INC
SOLEShares92.49K
TypeSH
Market value$16.41M
7.16%
Sole
91.99K
Shared
0.00
None
500.00
ALPHABET INC
SOLEShares78.87K
TypeSH
Market value$13.90M
6.07%
Sole
78.57K
Shared
0.00
None
300.00
WARNER BROS DISCOVERY INC
SOLEShares578.95K
TypeSH
Market value$6.63M
2.90%
Sole
578.95K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares12.99K
TypeSH
Market value$6.46M
2.82%
Sole
12.92K
Shared
0.00
None
75.00
JPMORGAN CHASE & CO.
SOLEShares21.22K
TypeSH
Market value$6.15M
2.69%
Sole
21.22K
Shared
0.00
None
0.00
SCRIPPS E W CO OHIO
SOLEShares2.09M
TypeSH
Market value$6.14M
2.68%
Sole
2.08M
Shared
0.00
None
7K
LIBERTY BROADBAND CORP
SOLEShares44.62K
TypeSH
Market value$4.36M
1.91%
Sole
44.62K
Shared
0.00
None
0.00
LIBERTY MEDIA CORP DEL
SOLEShares46.66K
TypeSH
Market value$3.71M
1.62%
Sole
46.66K
Shared
0.00
None
0.00
TIDEWATER INC NEW
SOLEShares79.71K
TypeSH
Market value$3.68M
1.61%
Sole
79.71K
Shared
0.00
None
0.00
LIBERTY LATIN AMERICA LTD
SOLEShares595.21K
TypeSH
Market value$3.63M
1.59%
Sole
592.51K
Shared
0.00
None
2.70K
LIBERTY BROADBAND CORP
SOLEShares34.21K
TypeSH
Market value$3.37M
1.47%
Sole
34.21K
Shared
0.00
None
0.00
LIVE NATION ENTERTAINMENT IN
SOLEShares19.18K
TypeSH
Market value$2.90M
1.27%
Sole
19.18K
Shared
0.00
None
0.00
GREAT LAKES DREDGE & DOCK CO
SOLEShares196.80K
TypeSH
Market value$2.40M
1.05%
Sole
196.80K
Shared
0.00
None
0.00
BANK AMERICA CORP
SOLEShares48.66K
TypeSH
Market value$2.30M
1.01%
Sole
48.66K
Shared
0.00
None
0.00
JEFFERIES FINL GROUP INC
SOLEShares37.57K
TypeSH
Market value$2.05M
0.90%
Sole
37.57K
Shared
0.00
None
0.00
NETFLIX INC
SOLEShares1.53K
TypeSH
Market value$2.05M
0.89%
Sole
1.53K
Shared
0.00
None
0.00
LIMBACH HLDGS INC
SOLEShares14.60K
TypeSH
Market value$2.05M
0.89%
Sole
14.60K
Shared
0.00
None
0.00
SPOTIFY TECHNOLOGY S A
SOLEShares2.52K
TypeSH
Market value$1.94M
0.85%
Sole
2.52K
Shared
0.00
None
0.00
CABLE ONE INC
SOLEShares13.93K
TypeSH
Market value$1.89M
0.83%
Sole
13.93K
Shared
0.00
None
0.00
LIBERTY GLOBAL LTD
SOLEShares188.72K
TypeSH
Market value$1.89M
0.82%
Sole
188.72K
Shared
0.00
None
0.00
LIBERTY LATIN AMERICA LTD
SOLEShares300.97K
TypeSH
Market value$1.87M
0.82%
Sole
300.70K
Shared
0.00
None
269.00
TRIPADVISOR INC
SOLEShares126K
TypeSH
Market value$1.64M
0.72%
Sole
126K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 108.45K | SH | $52.68M 23.00% | 107.82K | 0.00 | 628.00 |
SIRIUSXM HOLDINGS INCSOLE | COMMON STOCK | 1.10M | SH | $25.34M 11.07% | 1.10M | 0.00 | 1.05K |
APPLE INCSOLE | COM | 107.80K | SH | $22.12M 9.66% | 107.60K | 0.00 | 200.00 |
ALPHABET INCSOLE | CAP STK CL C | 92.49K | SH | $16.41M 7.16% | 91.99K | 0.00 | 500.00 |
ALPHABET INCSOLE | CAP STK CL A | 78.87K | SH | $13.90M 6.07% | 78.57K | 0.00 | 300.00 |
WARNER BROS DISCOVERY INCSOLE | COM SER A | 578.95K | SH | $6.63M 2.90% | 578.95K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 12.99K | SH | $6.46M 2.82% | 12.92K | 0.00 | 75.00 |
JPMORGAN CHASE & CO.SOLE | COM | 21.22K | SH | $6.15M 2.69% | 21.22K | 0.00 | 0.00 |
SCRIPPS E W CO OHIOSOLE | CL A NEW | 2.09M | SH | $6.14M 2.68% | 2.08M | 0.00 | 7K |
LIBERTY BROADBAND CORPSOLE | COM SER A | 44.62K | SH | $4.36M 1.91% | 44.62K | 0.00 | 0.00 |
LIBERTY MEDIA CORP DELSOLE | COM LBTY LIV S A | 46.66K | SH | $3.71M 1.62% | 46.66K | 0.00 | 0.00 |
TIDEWATER INC NEWSOLE | COM | 79.71K | SH | $3.68M 1.61% | 79.71K | 0.00 | 0.00 |
LIBERTY LATIN AMERICA LTDSOLE | COM CL A | 595.21K | SH | $3.63M 1.59% | 592.51K | 0.00 | 2.70K |
LIBERTY BROADBAND CORPSOLE | COM SER C | 34.21K | SH | $3.37M 1.47% | 34.21K | 0.00 | 0.00 |
LIVE NATION ENTERTAINMENT INSOLE | COM | 19.18K | SH | $2.90M 1.27% | 19.18K | 0.00 | 0.00 |
GREAT LAKES DREDGE & DOCK COSOLE | COM | 196.80K | SH | $2.40M 1.05% | 196.80K | 0.00 | 0.00 |
BANK AMERICA CORPSOLE | COM | 48.66K | SH | $2.30M 1.01% | 48.66K | 0.00 | 0.00 |
JEFFERIES FINL GROUP INCSOLE | COM | 37.57K | SH | $2.05M 0.90% | 37.57K | 0.00 | 0.00 |
NETFLIX INCSOLE | COM | 1.53K | SH | $2.05M 0.89% | 1.53K | 0.00 | 0.00 |
LIMBACH HLDGS INCSOLE | COM | 14.60K | SH | $2.05M 0.89% | 14.60K | 0.00 | 0.00 |
SPOTIFY TECHNOLOGY S ASOLE | SHS | 2.52K | SH | $1.94M 0.85% | 2.52K | 0.00 | 0.00 |
CABLE ONE INCSOLE | COM | 13.93K | SH | $1.89M 0.83% | 13.93K | 0.00 | 0.00 |
LIBERTY GLOBAL LTDSOLE | COM CL A | 188.72K | SH | $1.89M 0.82% | 188.72K | 0.00 | 0.00 |
LIBERTY LATIN AMERICA LTDSOLE | COM CL C | 300.97K | SH | $1.87M 0.82% | 300.70K | 0.00 | 269.00 |
TRIPADVISOR INCSOLE | COM | 126K | SH | $1.64M 0.72% | 126K | 0.00 | 0.00 |
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