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 2024Q3 — net new, added, trimmed, exited.
New positions4 names
Added to4 names
Trimmed26 names
- WBDWARNER BROS DISCOVERY INC−4,160,040$34.3M
- CNXCNX RES CORP−1,032,240$33.6M
- FDXFEDEX CORP−65,371$17.9M
- AMGAFFILIATED MANAGERS GROUP IN−70,420$12.5M
- 75605YREALOGY HLDGS CORP−2,267,111$11.5M
- WMGWARNER MUSIC GROUP CORP−342,689$10.7M
- ESRTEMPIRE ST RLTY TR INC−840,125$9.3M
- IACIAC INTERACTIVECORP NEW−166,355$9.0M
- GHCGRAHAM HLDGS CO−9,490$7.8M
- OSCROSCAR HEALTH INC−343,467$7.3M
- BATRKATLANTA BRAVES HLDGS INC−132,245$5.3M
- MATMATTEL INC−218,184$4.2M
- + 14 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
