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Callahan Advisors, LLC

Registered adviser
Location
Houston, TX
Portfolio Value
Mid $1,324,340,379
Diversification
Diversified
Filing Date
Global Rank
#2,029 / 8,811 ▼ 149
Top Industry
Internet Content & Information 11.4%
Period ended 4 months ago
Filed Aug 3, 2026 · 3mo
26 quarters · since Mar 2020

Regulatory profile

From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.

Holder type
Registered adviser
Form ADV roster, Oct 1, 2026
Form ADV adviser
CRD 114058
Roster of Oct 1, 2026
Regulatory AUM
$1,327,579,088
Main clients
Individuals and high net worth (98% of AUM)
Form ADV history
Monthly rosters from Dec 2019; each row is a run with the same figures, newest first.
Rosters Regulatory AUM Main clients
Apr 2026 to Oct 2026 $1,327,579,088 Individuals and high net worth (98%)
Apr 2025 to Mar 2026 $1,199,098,973 Individuals and high net worth (97%)
Apr 2024 to Mar 2025 $932,947,839 Individuals and high net worth (98%)
May 2023 to Mar 2024 $780,089,181 Individuals and high net worth (98%)
Apr 2023 $780,089,181 Individuals and high net worth (98%)
Apr 2022 to Mar 2023 $889,711,693 Individuals and high net worth (98%)
3 earlier changes not shown.

Portfolio style

Measured from the filed 13F common-share book for Jun 30, 2026, never from the firm's own description.

Style
Diversified active
Top 10 weight 36.6%, 45.3 effective positions, active share 56.6% against the S&P 500 as of 2026-06-30; it meets none of the index-like, systematic-like or concentrated tests
Turnover
Low turnover
13.2% over the last four quarters (under 30%)
Horizon
Long horizon
Value-weighted holding period 22.0 quarters (12+), a floor since 70.1% of the book was already held when coverage starts

Closest benchmark: the S&P 500 as of 2026-06-30, active share 56.6%; sector active share 19.1% against the combined 13F book's sector weights.

Over time 26 measured quarters

How the bands are measured

Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.

Clone Performance

Build a hypothetical price-return history from this filer's public 13F holdings.

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Portfolio Concentration

181 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
7.0%
+0.4 pts
Top 5
22.5%
−0.0 pts
Top 10
36.6%
+1.1 pts
HHI
221
Sep 2023 → Jun 2026 · range 207 – 243
Diversified+5

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Technology 21.4% $283,249,276
Financial Services 16.3% $216,174,267
Communication Services 12.8% $169,237,605
Healthcare 11.9% $158,134,485
Industrials 10.4% $137,420,289
Consumer Cyclical 9.5% $125,893,318
Energy 6.2% $81,474,743
Consumer Defensive 5.5% $73,411,320
Utilities 2.5% $32,973,577
Basic Materials 1.7% $22,540,138
Real Estate 1.2% $15,430,885
Unclassified 0.6% $8,400,476

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
9 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
5 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
181 tracked positions · $1,324,340,379 total · filing declares 181 positions · $1,326,109,544 · as of Jun 30, 2026
Showing 1–50 of 181 positions by value · page 1 of 4
Ticker Company Shares Value (USD) % of Portfolio History

Showing the top 50 of 181 positions. Create a free account to see every position, past quarters, search, filters and CSV export.

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.