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SOUTHEASTERN ASSET MANAGEMENT INC/TN/

Registered adviser
Location
MEMPHIS, TN
Portfolio Value
Mid $1,917,151,854
Diversification
Diversified
Reports for
LONGLEAF PARTNERS FUNDS TRUST Greenwood Pine Partners
Filing Date
Global Rank
#1,633 / 8,817 ▼ 198
Top Industry
REIT - Specialty 10.5%
Period ended 4 months ago
Filed Aug 14, 2026 · 2mo
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 105276
Roster of Oct 1, 2026
Regulatory AUM
$3,703,724,946
Main clients
Registered funds and BDCs (71% of AUM)
Private funds
1 fund · Hedge funds
Focus by gross assets, Schedule D of Dec 18, 2024
$8,695,548 gross assets
Registered funds advised
3 series (0 index, 0 ETFs)
$2,129,303,267 net assets· N-CEN Dec 31, 2025
LEI
549300J7IN26FW3I8P68
Private funds on Schedule D 7.B.(1)
As filed Dec 18, 2024; SEC's bulk Form ADV archive ends with 2024 filings.
$131,000,998 gross assets in 3 funds Hedge funds $131,000,998 (3)
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 $3,703,724,946 Registered funds and BDCs (71%)
Apr 2025 to Mar 2026 $4,327,763,955 Registered funds and BDCs (66%)
Apr 2024 to Mar 2025 $5,271,901,660 Registered funds and BDCs (63%)
May 2023 to Mar 2024 $5,479,257,682 Registered funds and BDCs (63%)
Apr 2023 $5,479,257,682 Registered funds and BDCs (63%)
Apr 2022 to Mar 2023 $11,059,463,391 Diversified
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
Concentrated
The top 10 positions are 62.7% of the book (60%+)
Turnover
Medium turnover
46.8% over the last four quarters (30% to under 100%)
Horizon
Long horizon
Value-weighted holding period 13.5 quarters (12+), a floor since 26.8% of the book was already held when coverage starts

Closest benchmark: the S&P MidCap 400 as of 2026-06-30, active share 98.3%; sector active share 50.1% 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

47 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
10.5%
−0.4 pts
Top 5
41.3%
−0.5 pts
Top 10
62.7%
+0.1 pts
HHI
513
Sep 2023 → Jun 2026 · range 377 – 517
Diversified−5

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Consumer Cyclical 17.4% $332,873,244
Consumer Defensive 15.0% $288,295,973
Communication Services 14.6% $280,836,691
Real Estate 14.4% $276,307,593
Industrials 11.9% $228,925,440
Healthcare 11.6% $222,132,602
Energy 8.3% $158,217,387
Technology 3.4% $66,056,642
Financial Services 2.1% $39,366,044
Basic Materials 1.3% $24,140,238

Last Quarter's Activity

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Jun 30, 2026 vs Mar 31, 2026

Added To

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

Trimmed

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

New Positions

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

Sold Out

Positions the filer fully exited
4 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
47 tracked positions · $1,917,151,854 total · filing declares 81 positions · $1,917,151,885 · as of Jun 30, 2026
Ticker Company Shares Value (USD) % of Portfolio History

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.