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 2023Q1 — net new, added, trimmed, exited.
New positions7 names
Added to4 names
Trimmed25 names
- GEGENERAL ELECTRIC CO−627,780$60.0M
- MSGSMADISON SQUARE GRDN SPRT COR−205,226$40.0M
- HHYATT HOTELS CORP−314,921$35.2M
- WBDWARNER BROS DISCOVERY INC−2,109,843$31.9M
- FDXFEDEX CORP−132,668$30.3M
- GOOGALPHABET INC−261,532$27.2M
- OSCROSCAR HEALTH INC−3,646,821$23.9M
- LUMNLUMEN TECHNOLOGIES INC−7,796,103$20.7M
- MGMMGM RESORTS INTERNATIONAL−448,062$19.9M
- VMEO*VIMEO INC−4,025,123$15.4M
- WESTWESTROCK COFFEE CO−1,214,216$14.9M
- MATMATTEL INC−767,914$14.1M
- + 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
