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Mason Hawkins Southeastern Asset Management

AUM $1.92B
1-Year Est. Return 6.41%
 

Mason Hawkins co-founded Southeastern Asset Management, adviser to the Longleaf Partners funds, and is a leading figure in absolute-value investing. The firm is known for concentrated portfolios, appraised-value analysis, and a long-term partnership culture with portfolio companies. Hawkins’s process emphasizes free cash flow, management alignment, and buying at a discount to intrinsic value.

This Fund
S&P 500
This Quarter Est. Return
-3.52%
1 Year Est. Return
+6.41%
3 Year Est. Return
+26.65%
5 Year Est. Return
+14.81%
10 Year Est. Return
+121.73%
AUM
$2.03B
AUM Growth
-$212M
Cap. Flow
-$115M
Cap. Flow %
-5.66%
Top 10 Hldgs %
62.66%
Holding
53
New
–
Increased
12
Reduced
15
Closed
4

Top Buys

Rank Stock Value
1
RYN icon
Rayonier
RYN
+$112M
2
MAT icon
Mattel
MAT
+$77.3M
3
FBIN icon
Fortune Brands Innovations
FBIN
+$50.7M
4
ACI icon
Albertsons Companies
ACI
+$21.8M
5
TRIP icon
TripAdvisor
TRIP
+$20.5M

Top Sells

Rank Stock Value
1
PCH
PotlatchDeltic
PCH
+$126M
2
ACMR icon
ACM Research
ACMR
+$47.6M
3
FDX icon
FedEx
FDX
+$38.7M
4
DIS icon
Walt Disney
DIS
+$36.1M
5
CNX icon
CNX Resources
CNX
+$28.2M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 19.56%
2 Consumer Staples 15.96%
3 Communication Services 14.24%
4 Real Estate 13.72%
5 Industrials 12.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LPX icon
51
Louisiana-Pacific
LPX
$5.12B
– –
-272,123
Closed -$22M
ACH
52
Accendra Health
ACH
$92.3M
– –
-181,735
Closed -$509K
PCH
53
DELISTED
PotlatchDeltic
PCH
– –
-3,162,963
Closed -$126M
1 2
3

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Mason Hawkins's Q1 2026 Portfolio in Review

As of Q1 2026, Mason Hawkins held 53 positions worth $2.03B, down 9.5% from $2.25B the previous quarter. Its ten largest holdings account for 63% of the portfolio.

Mason Hawkins withdrew a net $115M in Q1 2026, closing 4 positions and reducing 15 holdings. Its most notable exit was PotlatchDeltic, an estimated $126M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 20% of assets, up from 18% a quarter earlier, followed by Consumer Staples and Communication Services.

Against the trend, Mason Hawkins added an estimated $112M to Rayonier.

  • Mason Hawkins added most to Rayonier in Q1 2026, an estimated $112M increase.
  • Mason Hawkins's biggest Q1 2026 reduction was ACM Research, cutting an estimated $47.6M.
  • Mason Hawkins fully exited PotlatchDeltic in Q1 2026, selling an estimated $126M.
  • Mason Hawkins's ten largest holdings make up 63% of its $2.03B portfolio in Q1 2026.
  • Mason Hawkins opened 0 new positions and closed 4 in Q1 2026.
  • Mason Hawkins's portfolio value fell 9.5% quarter-over-quarter to $2.03B.

Based on Southeastern Asset Management's 13F filing for Q1 2026, filed 15 May 2026.