Asset Manager · CIK 0000883965
Wally Weitz
Weitz Investment
Wally Weitz runs Weitz Investment, an asset manager overseeing $1.69B in disclosed equity holdings (SEC CIK 0000883965). The latest portfolio (2025Q4) discloses 44 positions across 9 sectors, with the largest positions in BRK.B, DHR and GOOG. On a mark-to-market basis the tracked portfolio has returned 8.5% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.
Portfolio
$1.69B
Positions
44
Quarter
2025Q4
Filings tracked
40
Biggest winner since filing
BRK.BBERKSHIRE HATHAWAY INC DEL
+231.9%
+$95.1M
Biggest loser since filing
CSGPCOSTAR GROUP INC
-63.2%
−$52.3M
Investment strategy
Wally Weitz is a mid-size fund. Disclosed equity book is between $1B and $10B.
Embed this chart
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<iframe src="https://openstocks.me/embed/stock/BRK.B" width="100%" height="480" frameborder="0" loading="lazy" title="BRK.B chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Holdings
9 sectors45 positions
Top 3 = 19% of book · BRK.B, V, DHR
View full portfolio →
Performance
vs SPY40 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
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Options & derivatives
No options
Wally Weitz has no PUT or CALL positions disclosed for this quarter.
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Activity & trades
Quarter-by-quarterLast move 2025Q4
ADD G1151C101 — and 4 more recent moves.
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Recent transactions
See full activity →ADD
ACCENTURE PLC IRELAND
+350
~$268.30 · 2025Q4
2026-02-12
