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SEG

Seaport Entertainment Group

101 hedge funds and large institutions have $227M invested in Seaport Entertainment Group in 2025 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 19 increasing their positions, 35 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more capital invested

Capital invested by funds: $165M → $227M (+$62M)

8.12% more ownership

Funds ownership: 69.71%77.83% (+8.1%)

9% less call options, than puts

Call options by funds: $494K | Put options by funds: $545K

2% less funds holding

Funds holding: 103101 (-2)

11% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 19

46% less repeat investments, than reductions

Existing positions increased: 19 | Existing positions reduced: 35

Holders
101
Holders Change
-2
Holders Change %
-1.94%
% of All Funds
1.33%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
% of All Funds
0.03%
New
17
Increased
19
Reduced
35
Closed
19
Calls
$494K
Puts
$545K
Net Calls
-$51K
Net Calls Change
+$71K
Name Holding Trade Value Shares
Change
Change in
Stake
PSCM
1
Pershing Square Capital Management
New York
$115M
KBG
2
Kahn Brothers Group
New York
$13.4M +$13.7M +583,364 New
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$13.3M -$93.1K -3,964 -0.7%
RCMNY
4
Rubric Capital Management (New York)
New York
$13M
BlackRock
5
BlackRock
New York
$12M +$154K +6,559 +1%
Vanguard Group
6
Vanguard Group
Pennsylvania
$10.6M -$201K -8,574 -2%
Cerity Partners
7
Cerity Partners
New York
$5.96M +$6.11M +259,945 New
SCM
8
Solas Capital Management
Connecticut
$5.32M +$5.46M +232,238 New
Geode Capital Management
9
Geode Capital Management
Massachusetts
$4.22M -$44.8K -1,907 -1%
State Street
10
State Street
Massachusetts
$4.11M +$276K +11,752 +7%
RC
11
Rangeley Capital
Connecticut
$3.53M -$94K -4,000 -3%
UBS Group
12
UBS Group
Switzerland
$3.09M +$51.7K +2,200 +2%
AA
13
Ancora Advisors
Ohio
$1.98M -$6.77K -288 -0.3%
CP
14
CenterBook Partners
Connecticut
$1.86M +$1.91M +81,200 New
Goldman Sachs
15
Goldman Sachs
New York
$1.67M +$1.71M +72,805 New
AIMCA
16
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$1.52M
Charles Schwab
17
Charles Schwab
California
$1.47M -$44.7K -1,902 -3%
Northern Trust
18
Northern Trust
Illinois
$1.34M -$70.6K -3,005 -5%
HKAM
19
Horizon Kinetics Asset Management
New York
$1.21M -$10.1K -430 -0.8%
Russell Investments Group
20
Russell Investments Group
United Kingdom
$1.16M -$554K -23,598 -32%
PF
21
Phoenix Financial
Israel
$1.15M -$235K -10,000 -17%
Focus Partners Wealth
22
Focus Partners Wealth
Massachusetts
$1.15M -$2.89K -123 -0.2%
Lazard Asset Management
23
Lazard Asset Management
New York
$1.03M +$1.04M +44,108 +5,648%
LPL Financial
24
LPL Financial
California
$834K -$8.93K -380 -1%
Morgan Stanley
25
Morgan Stanley
New York
$536K -$488K -20,777 -47%

SEG Hedge Fund Activity: Q3 2025 in Review

101 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Seaport Entertainment Group (SEG) for Q3 2025, worth a combined $227M — up 38% from $165M a quarter earlier.

Sellers outnumbered buyers: 19 funds closed out of SEG and 17 opened new positions — a net loss of 2 holders — while 35 trimmed existing stakes and 19 added.

The largest buyer was Kahn Brothers Group, opening a new position worth an estimated $13.7M. The largest seller was Citadel Advisors, exiting entirely with an estimated $961K sold.

  • 101 institutional investors held Seaport Entertainment Group (SEG) as of Q3 2025, down from 103 in Q2 2025.
  • Funds reported $227M of Seaport Entertainment Group stock for Q3 2025, up 38% quarter-over-quarter.
  • 17 funds opened new Seaport Entertainment Group positions in Q3 2025 and 19 closed out, a net change of -2 holders.
  • The largest Seaport Entertainment Group buyer in Q3 2025 was Kahn Brothers Group, an estimated $13.7M added.
  • The largest Seaport Entertainment Group seller in Q3 2025 was Citadel Advisors, an estimated $961K sold.

Based on aggregated 13F filings for Q3 2025.