Rush Island Management, LP

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Rush Island Management, LP reported 22 stock positions worth $1.5 billion. Its top holding was Essex Property Trust (ESS) at 13.1% of the portfolio, followed by SBA Communications (SBAC, 11.3%) and Kilroy Realty (KRC, 9.2%). Compared with Q4 2025, it opened 9 new positions, sold out of 4, added to 4 and reduced 9. The biggest buy was a new position in Invitation Homes (INVH) and the biggest sale an exit from Udr (UDR).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001736465
Portfolio Value
$1.5B (Q1 2026)
SEC Filing
0001214659-26-006469 ↗ filed May 15, 2026

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q1 2024: $1.1B Q1 2024 Q2 2024: $1.2B Q2 2024 Q3 2024: $1.3B Q3 2024 Q4 2024: $1.5B Q4 2024 Q1 2025: $1.6B Q1 2025 Q2 2025: $1.5B Q2 2025 Q3 2025: $1.5B Q3 2025 Q4 2025: $1.6B Q4 2025 Q1 2026: $1.5B $1.5B Q1 2026 Q2 2026: $1.5B Q2 2026

Holdings 22 stocks · $1.5B

ESS Essex Property Trust Inc. 13.12% 807,893 $195.5M Add +26.8%
SBAC SBA Communications Corp. 11.30% 978,390 $168.4M Reduce -16.9%
KRC Kilroy Realty Corp. 9.20% 4,860,742 $137.1M Add +84.5%
NNN NNN REIT Inc. 8.74% 3,099,284 $130.3M Reduce -19.1%
HR Healthcare Realty Trust Inc. 8.23% 7,225,362 $122.8M Reduce -19.8%
VTR Ventas Inc. 7.70% 1,402,660 $114.7M Reduce -14.1%
INVH Invitation Homes Inc. 7.06% 4,237,107 $105.3M New
FR First Industrial Realty TR 6.81% 1,754,344 $101.5M Reduce -15.6%
FRT Federal Realty Invs Trust 4.55% 638,538 $67.8M Reduce -50.3%
IRT Independence Realty Trust Inc. 3.45% 3,456,162 $51.5M New
ADC Agree Realty Corp. 3.43% 677,438 $51.1M New
EPRT Essential Properties Realty 2.54% 1,249,087 $37.9M New
COLD Americold Realty Trust Inc. 2.38% 3,097,316 $35.5M Add +5.8%
AKR Acadia Realty Trust 2.17% 1,689,278 $32.3M Reduce -1.7%
SBRA Sabra Health Care REIT Inc. 2.06% 1,598,287 $30.7M New
SITC Site Centers Corp. filed as SITE CTRS CORP 1.61% 4,445,666 $24.0M Add +11.4%
CSGP Costar Group Inc. 1.31% 483,200 $19.5M New
APLE Apple Hospitality REIT Inc. 1.15% 1,489,435 $17.1M New
CURB Curbline Properties Corp. 1.15% 664,514 $17.1M Reduce -13.5%
FUN Six Flags Entertainment Corp. 1.10% 927,829 $16.5M Reduce -21.4%
JAN Janus Living Inc. Class-A-1 0.47% 300,000 $7.1M New
SNDA Sonida Senior Living Inc. 0.47% 218,171 $7.0M New

Portfolio Sells Q4 2025 → Q1 2026

UDR Udr Inc. Sold out 0.00% −8.17
O Realty Income Corp. Sold out 0.00% −7.06
FRT Federal Realty Invs Trust Reduce -50.3% 4.55% −3.54
SBAC SBA Communications Corp. Reduce -16.9% 11.30% −2.94
NSA National Storage Affiliates Sold out 0.00% −2.11
HR Healthcare Realty Trust Inc. Reduce -19.8% 8.23% −1.31
SMA Smartstop Self Storage REIT Sold out 0.00% −0.98
NNN NNN REIT Inc. Reduce -19.1% 8.74% −0.75
FR First Industrial Realty TR Reduce -15.6% 6.81% −0.63
VTR Ventas Inc. Reduce -14.1% 7.70% −0.20
AKR Acadia Realty Trust Reduce -1.7% 2.17% −0.04
FUN Six Flags Entertainment Corp. Reduce -21.4% 1.10% −0.03
CURB Curbline Properties Corp. Reduce -13.5% 1.15% +0.04

Portfolio Buys Q4 2025 → Q1 2026

INVH Invitation Homes Inc. New 7.06% +7.06
IRT Independence Realty Trust Inc. New 3.45% +3.45
ADC Agree Realty Corp. New 3.43% +3.43
KRC Kilroy Realty Corp. Add +84.5% 9.20% +3.05
ESS Essex Property Trust Inc. Add +26.8% 13.12% +2.70
EPRT Essential Properties Realty New 2.54% +2.54
SBRA Sabra Health Care REIT Inc. New 2.06% +2.06
CSGP Costar Group Inc. New 1.31% +1.31
APLE Apple Hospitality REIT Inc. New 1.15% +1.15
JAN Janus Living Inc. Class-A-1 New 0.47% +0.47
SNDA Sonida Senior Living Inc. New 0.47% +0.47
COLD Americold Realty Trust Inc. Add +5.8% 2.38% +0.03
SITC Site Centers Corp. Add +11.4% 1.61% +0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 22$1.5BINVH, ESS, NNN, KRC, HR
Q1 2026 22$1.5BESS, SBAC, KRC, NNN, HR
Q4 2025 17$1.6BSBAC, ESS, HR, NNN, UDR
Q3 2025 17$1.5BSBAC, ESS, HR, FRT, NNN
Q2 2025 17$1.5BHR, VTR, FRT, NNN, KRC
Q1 2025 14$1.6BHR, VTR, O, KRC, NNN
Q4 2024 14$1.5BHR, VTR, O, FRT, REXR
Q3 2024 18$1.3BHR, O, NNN, FRT, SHO
Q2 2024 13$1.2BHR, O, FRT, NNN, SHO
Q1 2024 15$1.1BHR, O, FRT, NNN, SHO