Mason Hawkins Holdings Activity

Longleaf Partners Portfolio 13F

Longleaf Partners has disclosed a total of 17 changes to the portfolio in the latest (2026 Q1) SEC report(s): increased the number of shares of 8, decreased the number of shares of 5 and completely sold out 4 position(s).

What stocks is Mason Hawkins buying now?

In the recent quarter Mason Hawkins has bought 8 securities out of which top 5 purchases (by % change to portfolio) are (RYN) RAYONIER INC (added shares +73.1%), (MAT) MATTEL INC (added shares +50.84%), (FBHS) FORTUNE BRANDS HOME & SECURI (added shares +85.2%), (ACI) ALBERTSONS COS INC - CLASS A (added shares +23.89%) and (EXXRF) EXOR NV (added shares +22.29%).

What does Mason Hawkins invest in?

Mason Hawkins's top 5 holdings (by % of portfolio) are (RYN) RAYONIER INC (9.27%), (IAC) IAC INTERACTIVECORP NEW (8.97%), (MAT) MATTEL INC (8.02%), (ACI) ALBERTSONS COS INC - CLASS A (7.95%) and (EXXRF) EXOR NV (7.81%).

In the latest report(s) the following changes have been made to the top investments: (RYN) RAYONIER INC (added shares +73.1%), (IAC) IAC INTERACTIVECORP NEW (added shares +6.61%), (MAT) MATTEL INC (added shares +50.84%), (ACI) ALBERTSONS COS INC - CLASS A (added shares +23.89%) and (EXXRF) EXOR NV (added shares +22.29%).

2026 Q1 (17 results)
FBHS
+85.20%
+586,954
+2.48%
$38.97
-
5.39%
RYN
+73.10%
+1,750,950
+3.91%
$20.62
1.50% $20.93
9.27%
MAT
+50.84%
+1,716,754
+2.70%
$14.53
1.31% $14.34
8.02%
FIS
+32.57%
+172,138
+0.88%
$46.91
12.90% $40.86
3.56%
ACI
+23.89%
+829,964
+1.53%
$17.04
7.81% $15.71
7.95%
MICC
+22.53%
+770,348
+1.23%
$14.73
13.48% $16.72
6.69%
EXXRF
+22.29%
+173,065
+1.42%
$75.88
2.53% $77.80
7.81%
IAC
+6.61%
+128,193
+0.56%
$40.03
-
8.97%
KHC
-9.94%
-250,691
-0.61%
$22.49
1.20% $22.76
5.53%
CNX
-15.12%
-272,770
-1.14%
$38.55
12.92% $33.57
6.40%
FDX
-21.19%
-38,608
-1.49%
$356.18
8.91% $324.46
5.54%
MGM
-22.54%
-264,040
-1.06%
$37.01
30.51% $48.30
3.64%
REGN
-24.10%
-20,799
-1.74%
$772.64
19.89% $618.95
5.49%
PYPL
-100.00%
-470,248
-2.98%
$58.38
27.01% $42.61
0.00%
PCH
-100.00%
-1,290,324
-5.56%
$39.78
-
0.00%
DIS
-100.00%
-193,673
-2.39%
$113.77
12.64% $99.39
0.00%
LPX
-100.00%
-139,811
-1.22%
$80.76
8.63% $73.79
0.00%
2025 Q4 (12 results)
MICC
buy
+3,418,974
+5.47%
$15.97
4.71% $16.72
5.47%
LPX
buy
+139,811
+1.13%
$80.76
8.63% $73.79
0.00%
PCH
+22.28%
+235,096
+0.94%
$39.78
-
0.00%
EXXRF
+19.70%
+127,780
+1.09%
$85.12
8.59% $77.80
6.62%
RYN
+6.51%
+146,399
+0.32%
$21.65
3.33% $20.93
5.19%
IAC
+3.96%
+73,839
+0.29%
$39.10
-
7.60%
REGN
-12.55%
-12,383
-0.96%
$771.87
19.81% $618.95
6.67%
MAT
-13.65%
-533,875
-1.06%
$19.84
27.72% $14.34
6.71%
AVTR
-15.20%
-553,218
-0.64%
$11.46
20.86% $9.07
3.54%
BIO
-16.90%
-28,666
-0.87%
$302.99
0.62% $304.86
4.28%
CNX
-18.03%
-396,880
-1.46%
$36.77
8.70% $33.57
6.64%
FDX
-30.94%
-81,644
-2.36%
$288.86
12.32% $324.46
5.27%
2025 Q3 (14 results)
AVTR
buy
+3,639,654
+4.73%
$12.48
27.32% $9.07
4.73%
PCH
buy
+1,055,228
+4.48%
$40.75
-
4.48%
RYN
buy
+2,249,038
+6.22%
$26.54
21.14% $20.93
6.22%
ACI
+41.65%
+1,021,431
+1.86%
$17.51
10.28% $15.71
6.34%
MAT
+12.91%
+447,058
+0.78%
$16.83
14.80% $14.34
6.86%
CNX
+3.25%
+69,205
+0.23%
$32.12
4.51% $33.57
7.37%
IAC
-4.50%
-87,840
-0.31%
$34.07
-
6.62%
REGN
-11.96%
-13,407
-0.79%
$562.27
10.08% $618.95
5.78%
FIS
-19.36%
-126,937
-0.87%
$65.94
38.03% $40.86
3.63%
BIO
-22.80%
-50,088
-1.46%
$280.39
8.73% $304.86
4.95%
PVH
-32.00%
-306,161
-2.67%
$83.77
16.99% $98.00
5.68%
H
-100.00%
-171,292
-2.49%
$139.65
33.13% $185.92
0.00%
ANGI
-100.00%
-1,806,694
-2.87%
$15.26
-
0.00%
DINO
-100.00%
-1,241,512
-5.31%
$41.08
78.53% $73.34
0.00%
43 of 321

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.