13F Insight
DOSSIER · 13F-HR · Q1 2026

WITTENBERG INVESTMENT MANAGEMENT, INC.

WITTENBERG INVESTMENT's pension fund based in San Francisco, CA — $269M in tracked AUM across 74 positions as of Q1 2026.

WI
WITTENBERG INVESTMENT·San Francisco, CA·Pension Fund
CIK 0001697790 · last filed Mar 31, 2026
Total AUM
$269M
▼ 16.4%
vs prior
Holdings
74
—
positions
Whale Score
62
62
tracked
Activity
—
no data
changes this Q
Top sector
Tech
16% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

WITTENBERG INVESTMENT MANAGEMENT, INC. filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
BRK/B
BERKSHIRE HATHAWAY INC DEL
$49M102K18.1%
02
AAPL
APPLE INC
$26M103K9.7%
03
SIRI
SIRIUSXM HOLDINGS INC
$26M1.1M9.5%
04
GOOG
ALPHABET INC
$24M82K8.7%
05
GOOGL
ALPHABET INC
$19M67K7.1%
06
WBD
WARNER BROS DISCOVERY INC
$15M540K5.5%
07
SSP
SCRIPPS E W CO OHIO
$9M2.4M3.3%
08
LBRDA
LIBERTY BROADBAND CORP
$6M125K2.3%
09
TRIP
TRIPADVISOR INC
$6M585K2.3%
10
JPM
JPMORGAN CHASE & CO
$6M21K2.2%

Filing history

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