SEC EDGAR Form 13F
Southeastern Asset Management
Southeastern Asset Management is an institutional investment manager identified in SEC EDGAR Form 13F data.
Latest Form 13F: 49 long U.S. equity positions, $2.0B reported value for the period ended Mar 31, 2026, led by RAYONIER INC, MATTEL INC, and IAC INC.
CIK: 807985 · Filed: May 15, 2026 · Period: Mar 31, 2026
Reported value
$2.0B
Positions
49
Key person
13F reporting manager
Style
Institutional 13F
Top holding
RYN · RAYONIER INC
Period
Mar 31, 2026
Filed
May 15, 2026
CIK
807985
What a 13F does not show
Form 13F covers many reportable long U.S. equity positions at quarter end. It does not show every asset type, short positions, hedges, intraperiod trades, or current holdings after the report date. Use it as ownership context, not investment advice.
Read the 13F guide →RYN
RAYONIER INC
Portfolio weight
10.92%
MAT
MATTEL INC
Portfolio weight
9.16%
IAC
IAC INC
Portfolio weight
7.92%
CNX
CNX RES CORP
Portfolio weight
7.61%
ACI
ALBERTSONS COS INC
Portfolio weight
6.22%
Top reported holdings
Showing the top 49 positions by reported value. Source: SEC EDGAR Form 13F; period 2026-03-31; filed 2026-05-15.
| # | Ticker | Company | Shares | Value | Portfolio % | QoQ change |
|---|---|---|---|---|---|---|
| 1 | RYN | RAYONIER INC | 10.8M | $222M | 10.92% | +89.5% |
| 2 | MAT | MATTEL INC | 12.8M | $186M | 9.16% | +49.5% |
| 3 | IAC | IAC INC | 4.0M | $161M | 7.92% | +0.8% |
| 4 | CNX | CNX RES CORP | 4.0M | $155M | 7.61% | -15.2% |
| 5 | ACI | ALBERTSONS COS INC | 7.4M | $126M | 6.22% | +20.3% |
| 6 | REGN | REGENERON PHARMACEUTICALS | 130.7K | $101M | 4.97% | -21.2% |
| 7 | KHC | KRAFT HEINZ CO | 3.9M | $89M | 4.37% | -12.0% |
| 8 | FDX | FEDEX CORP | 247.5K | $88M | 4.34% | -31.1% |
| 9 | FBIN | FORTUNE BRANDS INNOVATIONS I | 2.2M | $84M | 4.13% | +82.8% |
| 10 | MGM | MGM RESORTS INTERNATIONAL | 1.7M | $62M | 3.03% | -18.2% |
| 11 | PVH | PVH CORPORATION | 736.9K | $51M | 2.53% | +0.0% |
| 12 | GLIBK | GCI LIBERTY INC | 1.3M | $49M | 2.42% | +0.0% |
| 13 | TRIP | TRIPADVISOR INC | 4.6M | $49M | 2.41% | +62.0% |
| 14 | BIO | BIO RAD LABS INC | 162.8K | $45M | 2.23% | -28.5% |
| 15 | SHEN | SHENANDOAH TELECOMMUNICATION | 2.9M | $45M | 2.23% | +0.0% |
| 16 | WTM | WHITE MTNS INS GROUP LTD | 18.9K | $41M | 2.04% | -40.4% |
| 17 | CNH | CNH INDL N V | 3.7M | $41M | 2.01% | +0.0% |
| 18 | GHC | GRAHAM HLDGS CO | 37.8K | $40M | 1.96% | +5.7% |
| 19 | FIS | FIDELITY NATL INFORMATION SV | 827.5K | $39M | 1.91% | +33.0% |
| 20 | ESRT | EMPIRE ST RLTY TR INC | 6.5M | $34M | 1.66% | +74.8% |
| 21 | ACMR | ACM RESH INC | 782.9K | $31M | 1.52% | -53.4% |
| 22 | EDU | NEW ORIENTAL ED & TECHNOLOGY | 522.3K | $30M | 1.46% | +37.6% |
| 23 | BATRK | ATLANTA BRAVES HLDGS INC | 671.0K | $29M | 1.41% | +0.0% |
| 24 | DOLE | DOLE PLC | 1.9M | $28M | 1.36% | +0.0% |
| 25 | AVTR | AVANTOR INC | 3.5M | $28M | 1.36% | -0.8% |
| 26 | SAM | BOSTON BEER INC | 118.4K | $27M | 1.34% | -20.0% |
| 27 | SN | SHARKNINJA INC | 250.7K | $27M | 1.31% | -13.3% |
| 28 | MICC | MAGNUM ICE CREAM CO NV | 1.6M | $24M | 1.19% | +13.2% |
| 29 | ALX | ALEXANDERS INC | 99.0K | $23M | 1.15% | -19.3% |
| 30 | CLW | CLEARWATER PAPER CORP | 1.5M | $22M | 1.08% | +10.5% |
| 31 | KSPI | KASPI KZ JSC | 240.6K | $18M | 0.88% | +0.0% |
| 32 | HTHT | H WORLD GROUP LTD | 231.4K | $12M | 0.57% | +0.0% |
| 33 | MLCO | MELCO RESORTS AND ENTMNT LTD | 1.8M | $10M | 0.50% | +0.0% |
| 34 | GLIBA | GCI LIBERTY INC | 80.7K | $3M | 0.15% | +0.0% |
| 35 | CAH | CARDINAL HEALTH INC | 7.3K | $2M | 0.08% | -15.2% |
| 36 | AMG | AFFILIATED MANAGERS GROUP | 5.6K | $2M | 0.08% | +0.0% |
| 37 | LYV | LIVE NATION ENTERTAINMENT IN | 8.4K | $1M | 0.06% | +0.0% |
| 38 | HSIC | SCHEIN HENRY INC | 17.0K | $1M | 0.06% | +0.0% |
| 39 | XPO | XPO INC | 6.3K | $1M | 0.06% | -51.3% |
| 40 | H | HYATT HOTELS CORP | 7.7K | $1M | 0.05% | +0.0% |
| 41 | MSGS | MADISON SQUARE GRDN SPRT COR | 3.2K | $1M | 0.05% | +0.0% |
| 42 | PYPL | PAYPAL HLDGS INC | 22.5K | $1M | 0.05% | -96.0% |
| 43 | ENOV | ENOVIS CORPORATION | 44.3K | $1M | 0.05% | +0.0% |
| 44 | LAZ | LAZARD INC | 18.6K | $790,468.00 | 0.04% | +0.0% |
| 45 | RXO | RXO INC | 43.7K | $639,347.00 | 0.03% | +0.0% |
| 46 | STZ | CONSTELLATION BRANDS INC | 3.7K | $549,150.00 | 0.03% | +0.0% |
| 47 | CLVT | CLARIVATE PLC | 121.9K | $308,475.00 | 0.02% | +0.0% |
| 48 | HDB | HDFC BANK LTD | 10.5K | $260,295.00 | 0.01% | +0.0% |
| 49 | FISV | FISERV INC | 4.0K | $222,642.00 | 0.01% | +0.0% |
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