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Stack Financial Management, Inc

Registered adviser
Location
WHITEFISH, MT
Portfolio Value
Mid $1,281,385,777
Diversification
Diversified
Filing Date
Global Rank
#2,067 / 8,811 ▼ 216
Top Industry
Utilities - Regulated Electric 13.2%
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 106785
Roster of Oct 1, 2026
Regulatory AUM
$1,992,243,735
Main clients
Individuals and high net worth (92% 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 $1,992,243,735 Individuals and high net worth (92%)
Apr 2025 to Mar 2026 $1,895,347,687 Individuals and high net worth (92%)
Apr 2024 to Mar 2025 $1,797,664,736 Individuals and high net worth (92%)
May 2023 to Mar 2024 $1,701,274,577 Individuals and high net worth (92%)
Apr 2023 $1,701,274,577 Individuals and high net worth (92%)
Mar 2022 to Mar 2023 $1,712,114,137 Individuals and high net worth (92%)
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 46.5%, 28.6 effective positions, active share 85.4% against the Dow Jones Industrial Average as of 2026-07-31; it meets none of the index-like, systematic-like or concentrated tests
Turnover
Low turnover
13.1% over the last four quarters (under 30%)
Horizon
Long horizon
Value-weighted holding period 17.0 quarters (12+), a floor since 38.2% of the book was already held when coverage starts

Closest benchmark: the Dow Jones Industrial Average as of 2026-07-31, active share 85.4%; sector active share 45.6% 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

54 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
9.0%
−1.3 pts
Top 5
31.4%
+0.4 pts
Top 10
46.5%
−0.5 pts
HHI
349
Sep 2023 → Jun 2026 · range 337 – 419
Diversified−13

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Industrials 20.6% $264,184,775
Healthcare 15.6% $199,482,823
Consumer Defensive 14.8% $190,038,796
Utilities 12.2% $156,738,641
Energy 10.9% $139,563,394
Unclassified 7.4% $94,807,745
Financial Services 6.6% $84,435,452
Technology 6.4% $81,833,163
Basic Materials 2.4% $30,516,307
Communication Services 1.6% $20,724,627
Consumer Cyclical 1.5% $19,060,054

Last Quarter's Activity

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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
19 positions
Ticker Δ Shares Shares Value Open

New Positions

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

Sold Out

Positions the filer fully exited
2 positions
Ticker Shares Value Open
— 2,793 $228,970

Portfolio Positions

Export CSV View 13F filing
54 tracked positions · $1,281,385,777 total · filing declares 54 positions · $1,281,385,473 · as of Jun 30, 2026
Showing 1–50 of 54 positions by value · page 1 of 2
Ticker Company Shares Value (USD) % of Portfolio History

Showing the top 50 of 54 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.