Asset Manager · CIK 0000807985
Southeastern Asset
Longleaf
Southeastern Asset runs Longleaf, an asset manager overseeing $2.25B in disclosed equity holdings (SEC CIK 0000807985). The latest 13F filing (2025Q4) discloses 53 positions across 10 sectors, with the largest positions in CNX, MAT and IAC. On a mark-to-market basis the tracked portfolio has returned 8.9% over the past year. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
Portfolio
$2.25B
Positions
53
Quarter
2025Q4
Filings tracked
40
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
+$233M
Lifetime buys
$4.26B
Lifetime sells
$7.29B
Quarter activity
What changed in 2025Q4 — net new, added, trimmed, exited.
New positions4 names
Added to19 names
- IACIAC INTERACTIVECORP NEW+1,221,829$47.8M
- PCHPOTLATCHDELTIC CORPORATION+1,031,209$41.0M
- RYNRAYONIER INC+1,182,216$25.6M
- ACIALBERTSONS COS INC+1,222,843$21.0M
- KHCKRAFT HEINZ CO+850,742$20.6M
- GLIBKGCI LIBERTY INC+457,419$17.0M
- REGNREGENERON PHARMACEUTICALS+21,185$16.4M
- MGMMGM RESORTS INTERNATIONAL+285,367$10.4M
- FBINFORTUNE BRANDS HOME & SEC IN+162,501$8.1M
- MATMATTEL INC+409,032$8.1M
- CLWCLEARWATER PAPER CORP+443,009$7.7M
- ACMRACM RESH INC+194,494$7.7M
- + 7 more…
Trimmed22 names
- HTHTHUAZHU GROUP LTD−645,490$30.4M
- G8068LSHARKNINJA INC−218,152$24.4M
- AVTRAVANTOR INC−1,600,902$18.3M
- PVHPVH CORPORATION−198,463$13.3M
- FDXFEDEX CORP−15,258$4.4M
- BIOBIO RAD LABS INC−9,624$2.9M
- MLCOMELCO RESORTS AND ENTMNT LTD−213,165$1.6M
- HDBHDFC BANK LTD−39,412$1.4M
- CNXCNX RES CORP−16,805$618K
- CAHCARDINAL HEALTH INC−1,995$410K
- XPOXPO LOGISTICS INC−2,968$403K
- AMGAFFILIATED MANAGERS GROUP IN−1,276$368K
- + 10 more…
Exited0 names
—
Recent transactions
Last 20 moves
TRIM
FIDELITY NATL INFORMATION SV
−3,960
~$66.46 · 2025Q4
2026-02-13
ADD
FORTUNE BRANDS HOME & SEC IN
+162,501
~$50.02 · 2025Q4
2026-02-13
NEW
FISERV INC
+3,990
~$67.17 · 2025Q4
2026-02-13
TRIM
AFFILIATED MANAGERS GROUP IN
−1,276
~$288.28 · 2025Q4
2026-02-13
ADD
CLEARWATER PAPER CORP
+443,009
~$17.40 · 2025Q4
2026-02-13
ADD
EMPIRE ST RLTY TR INC
+1,074,096
~$6.52 · 2025Q4
2026-02-13
