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 portfolio (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 4.2% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots 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
$4.60B
Lifetime sells
$7.57B
Quarter activity
What changed in 2023Q2 — net new, added, trimmed, exited.
New positions4 names
Added to6 names
Trimmed25 names
- GOOGALPHABET INC−829,951$100.4M
- 531229LIBERTY MEDIA CORP DEL−1,073,750$42.5M
- OSCROSCAR HEALTH INC−5,010,863$40.4M
- MATMATTEL INC−1,942,421$38.0M
- GEGENERAL ELECTRIC CO−300,365$33.0M
- HHYATT HOTELS CORP−273,029$31.3M
- CNXCNX RES CORP−1,599,627$28.3M
- MGMMGM RESORTS INTERNATIONAL−497,301$21.8M
- G54050LAZARD LTD−524,667$16.8M
- WESTWESTROCK COFFEE CO−1,528,930$16.6M
- ESRTEMPIRE ST RLTY TR INC−2,150,978$16.1M
- G9618EWHITE MTNS INS GROUP LTD−11,316$15.7M
- + 13 more…
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
