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Cedar Mountain Advisors, LLC

Registered adviser
Location
LAKE OSWEGO, OR
Portfolio Value
Small $246,178,139
Diversification
Diversified
Filing Date
Global Rank
#5,263 / 8,807 ▲ 102 · as of Jun 2026
Top Industry
Software - Application 12.0%
Period ended 20 days ago
Filed Oct 15, 2026 · 5d
27 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 140339
Roster of Oct 1, 2026
Regulatory AUM
$1,197,759,928
Main clients
Individuals and high net worth (68% 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 $1,197,759,928 Individuals and high net worth (68%)
Apr 2025 to Mar 2026 $1,064,447,606 Individuals and high net worth (69%)
Apr 2024 to Mar 2025 $870,055,587 Individuals and high net worth (69%)
May 2023 to Mar 2024 $726,914,201 Individuals and high net worth (70%)
Mar 2023 to Apr 2023 $726,914,201 Individuals and high net worth (70%)
Apr 2022 to Feb 2023 $863,778,428 Individuals and high net worth (69%)
3 earlier changes not shown.

Portfolio style

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

Style
Concentrated
The top 10 positions are 73.4% of the book (60%+)
Turnover
Low turnover
5.6% over the last four quarters (under 30%)
Horizon
Long horizon
Value-weighted holding period 21.5 quarters (12+), a floor since 66.1% of the book was already held when coverage starts

Closest benchmark: every 13F filer's combined book, active share 85.0%; sector active share 74.5% 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

1,160 tracked positions · as of Sep 30, 2026 · Δ vs Jun 30, 2026
Top Position
14.1%
−0.4 pts
Top 5
54.0%
+2.2 pts
Top 10
76.8%
+3.4 pts
HHI
748
Dec 2023 → Sep 2026 · range 710 – 1,173
Diversified+38

Portfolio Trend

27 quarters · across all stocks

Sector Breakdown

As of Sep 30, 2026
Sector % Portfolio Value
Unclassified 83.9% $206,620,153
Technology 6.2% $15,312,225
Industrials 2.5% $6,242,636
Financial Services 1.6% $3,990,644
Consumer Cyclical 1.6% $3,956,153
Healthcare 1.2% $2,960,247
Consumer Defensive 0.9% $2,231,890
Energy 0.6% $1,476,514
Utilities 0.5% $1,332,852
Communication Services 0.5% $1,280,431
Basic Materials 0.2% $428,784
Real Estate 0.1% $345,610

Last Quarter's Activity

Export CSV
Sep 30, 2026 vs Jun 30, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open
— +1,576 3,330 $0

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open
— −3,203 272,997 $0
— −1,957 34,220 $0

New Positions

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

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open
— 799 $61,059
— 1,250 $37,950
— 17 $6,027
— 99 $5,143
— 134 $1,569

Portfolio Positions

Export CSV View 13F filing
1,160 tracked positions · $246,178,139 total · filing declares 1,163 positions · $589,932,889 · as of Sep 30, 2026
Showing 1–50 of 1,160 positions by value · page 1 of 24
Ticker Company Shares Value (USD) % of Portfolio History

Showing the top 50 of 1,160 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.