Stocks/Funds/CIK 1697790

WITTENBERG INVESTMENT MANAGEMENT, INC.

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1697790
Assets
$268M
+21.0% YoY
Holdings
73
Lifetime alpha vs market
-0.09% annual
Average hold time
4.9 yr
median 4.0 yr

Quarterly history

Cum return +52% vs S&P +52% · α -1% lifetimeAUM $268M · peak $306MFlow $16M (+6%)2016-122018-062019-122021-062022-122024-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+5.10%
adds when stocks drop
when a holding falls −10%+
Middle response
-3.37%
baseline attrition
Rally response
-7.86%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
BRK-BBerkshire Hathaway Inc.$49M18.1%9.5 yr
AAPLApple Inc.$26M9.7%+14.7%9.5 yr
SIRISirius XM Holdings Inc.$26M9.5%+7.6%1.8 yr
GOOGAlphabet Inc.$24M8.8%+84.3%9.5 yr
GOOGLAlphabet Inc.$19M7.1%9.5 yr
WBDWarner Bros. Discovery, $15M5.5%+155.9%4.0 yr
SSPThe E.W. Scripps Company$9M3.3%+25.7%5.5 yr
LBRDALiberty Broadband Corpor$6M2.3%9.5 yr
TRIPTripadvisor, Inc.$6M2.3%-24.8%2.0 yr
JPMJPMorgan Chase & Co.$6M2.3%+21.8%9.5 yr
VSNTVVersant Media Group, Inc$5M1.9%0.3 yr
TDWTidewater Inc.$5M1.7%+97.7%7.0 yr
PARPAR Technology Corporati$5M1.7%-78.3%0.3 yr
MSFTMicrosoft Corporation$4M1.6%-0.6%9.5 yr
LILALiberty Latin America Lt$4M1.6%+36.5%6.0 yr

Portfolio composition (YoY)

Industry mix
Entertainment21.1%+3.3pp$57M
Internet Content & Information20.6%+6.4pp$55M
Insurance - Diversified18.1%-8.5pp$49M
Consumer Electronics9.7%-1.1pp$26M
Telecommunications Services6.6%-0.8pp$18M
Banks - Diversified3.9%-0.5pp$10M
Broadcasting3.3%+0.5pp$9M
Unknown2.3%-1.2pp$6M
Oil & Gas Exploration & Production2.0%+1.4pp$5M
Oil & Gas Equipment & Services1.7%+1.1pp$5M
Country
US94.3%+2.2pp
BM2.6%+0.1pp
Unknown2.3%-1.2pp
LU0.5%-0.2pp
KY0.2%-0.0pp
CH0.1%-0.7pp
FR0.1%
Top 5: 53.3% · Top 10: 69.0% · Top 25: 87.3%

Winners

TickerPrev $PnLYoY %
GOOG$15M+0.01B84.3%
WBD$6M+0.01B155.9%
AAPL$24M+0.00B14.7%
SIRI$25M+0.00B7.6%
SSP$6M+0.00B25.7%

Losers

TickerPrev $PnLYoY %
THRY$1M-0.00B-78.6%
TRIP$2M-0.00B-24.8%
JEF$2M-0.00B-20.7%
MSFT$5M-0.00B-0.6%

Top buys this quarter · 15

PAR PAR Technology Corporationnew+$5M
TRIP Tripadvisor, Inc.+$4M
THRY Thryv Holdings, Inc.+$2M
CABO Cable One, Inc.+$1M
SIRI Sirius XM Holdings Inc.+$0M
CTGO Contango Ore, Inc.+$0M
TOTB.DE TotalEnergies SEnew+$0M
FPH Five Point Holdings, LLC+$0M
SSP The E.W. Scripps Company+$9M
NN NextNav Inc.+$0M

Top sells this quarter · 15

GLDD Great Lakes Dredge & Dock Corpexit$3M
GOOG Alphabet Inc.$1M
TDW Tidewater Inc.$3M
AMZN Amazon.com, Inc.exit$1M
AAPL Apple Inc.$0M
LEE Lee Enterprises, Incorporatedexit$0M
GTX Garrett Motion Inc.$0M
BAC Bank of America Corporation$0M
PSMT PriceSmart, Inc.$2M
BLFY Blue Foundry Bancorp$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$268M73+27.28%+17.59%+9.69%+0.02B
2025-12-31$261M72+23.39%+17.72%+5.67%-0.01B
2025-09-30$252M75+22.94%+17.52%+5.43%-0.01B
2025-06-30$229M76+9.83%+14.94%-5.12%-0.01B
2025-03-31$222M74+11.24%+8.30%+2.94%-0.02B
2024-12-31$255M74+24.39%+24.89%-0.50%-0.07B
2024-09-30$306M79+31.56%+36.04%-4.48%+0.00B
2024-06-30$294M81+21.48%+24.49%-3.01%-0.02B
2024-03-31$293M82+23.29%+29.62%-6.33%-0.01B
2023-12-31$288M80+33.40%+26.18%+7.22%-0.02B
2023-09-30$273M83+21.29%+21.57%-0.28%+0.01B
2023-06-30$276M87+21.06%+19.42%+1.64%-0.02B
2023-03-31$269M88-13.15%-7.82%-5.33%-0.01B
2022-12-31$246M83+2.19%+7.56%-5.37%+0.01B
2022-09-30$235M84-4.56%-4.93%+0.37%+0.01B
2022-06-30$237M84-21.65%-16.11%-5.54%+0.03B