Seaport Entertainment Group
SEG
117 hedge funds and large institutions have $296M invested in Seaport Entertainment Group in 2026 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 38 increasing their positions, 24 reducing their positions, and 12 closing their positions.
58% more repeat investments, than reductions
Existing positions increased: 38 | Existing positions reduced: 24
28% more capital invested
Capital invested by funds: $231M → $296M (+$64.7M)
17% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 12
11% more call options, than puts
Call options by funds: $394K | Put options by funds: $356K
3.16% more ownership
Funds ownership: 83.77% → 86.93% (+3.2%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
1% less funds holding
Funds holding: 118 → 117 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
+$8.02M |
| 2 |
BlackRock
New York
|
+$1.12M |
| 3 |
GCCM
Gate City Capital Management
Chicago,
Illinois
|
+$795K |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$656K |
| 5 |
KBG
Kahn Brothers Group
New York
|
+$559K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
-$1.38M |
| 2 |
Renaissance Technologies
New York
|
-$1.28M |
| 3 |
Focus Partners Wealth
Boston,
Massachusetts
|
-$1.09M |
| 4 |
Lazard Asset Management
New York
|
-$772K |
| 5 |
MM
Marnell Management
Farmington Hills,
Michigan
|
-$694K |
SEG Hedge Fund Activity: Q2 2026 in Review
117 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Seaport Entertainment Group (SEG) for Q2 2026, worth a combined $296M — up 28% from $231M a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new SEG positions and 12 closed out — a net gain of 2 holders — while 38 added to existing stakes and 24 trimmed.
The largest buyer was Vanguard Portfolio Management, adding an estimated $8.02M. The largest seller was Dimensional Fund Advisors, cutting an estimated $1.38M.
- 117 institutional investors held Seaport Entertainment Group (SEG) as of Q2 2026, down from 118 in Q1 2026.
- Funds reported $296M of Seaport Entertainment Group stock for Q2 2026, up 28% quarter-over-quarter.
- 14 funds opened new Seaport Entertainment Group positions in Q2 2026 and 12 closed out, a net change of +2 holders.
- The largest Seaport Entertainment Group buyer in Q2 2026 was Vanguard Portfolio Management, an estimated $8.02M added.
- The largest Seaport Entertainment Group seller in Q2 2026 was Dimensional Fund Advisors, an estimated $1.38M sold.
Based on aggregated 13F filings for Q2 2026.