Institution (13F filer) · disclosed-activity record
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
Institution (13F)
Every row below is a public disclosure this person or firm filed, dated and linked to its source. This is a factual record of what was disclosed and when — what it means, and whether any timing is coincidence or signal, is a judgment this page deliberately does not make.
Disclosed $ (bull / bear)
$711.5M + 3 of unknown size / $823.1M
Most active in: ACMR (3) · ACI (3) · AVTR (3) · BIO (3) · SAM (3) · CNX (3) · CLW (3) · ESRT (3)
Disclosures, last 12 months
25 of 117 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|
| 2026-06-30 | ACMR | trimmed a position | $13.1M | — |
| 2026-06-30 | ABT | reported a new position | $76.3M | — |
| 2026-06-30 | ACI | added to a position | $9.6M | — |
| 2026-06-30 | BATRK | trimmed a position | $2.8M | — |
| 2026-06-30 | AVTR | added to a position | $19.2M | — |
| 2026-06-30 | BIO | exited a position | $45.4M | |
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Public filings only, shown as filed; the linked filing is the authoritative record. Descriptive, not investment advice — and never an allegation: proximity of a disclosure to any event is a fact of dates, not a conclusion about intent. Methodology · Today's notable signals