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RUSH ISLAND MANAGEMENT, LP

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13F filer, CIK 1736465, NEW YORK, NY

RUSH ISLAND MANAGEMENT, LP reported $1,458,770,471 across 17 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14. Its ten largest share positions make up 89.52% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-25-016635

Period
2025-09-30
Reported value
$1.46B
Holdings
17
Top 10 weight
89.52%
New
6
Sold out
7

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ESSnew+594,108$159M
SBACadded+582,862$113M
SHOnew+3,708,130$34.7M
AKRnew+1,718,816$34.6M
FRadded+393,655$20.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
HRreduced-6,456,801-$116M
FUNreduced-3,306,963-$75.1M
HSTexited-4,374,633-$67.2M
VTRreduced-806,431-$56.4M
KRCreduced-1,258,211-$53.2M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001214659-25-016635, largest first. % of portfolio is the value over $1,458,770,471, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SBACSBA COMMUNICATIONS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 199,009 shares; 2024Q4: not reported; 2025Q1: 547,983 shares; 2025Q2: 360,661 shares; 2025Q3: 943,523 shares 943,523$182M12.51%+582,862Timeline
ESSESSEX PPTY TR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 594,108 shares 594,108$159M10.9%newTimeline
HRHEALTHCARE RLTY TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,933,592 shares; 2024Q4: 15,681,440 shares; 2025Q1: 12,531,661 shares; 2025Q2: 14,260,152 shares; 2025Q3: 7,803,351 shares 7,803,351$141M9.64%-6,456,801Timeline
FRTFEDERAL RLTY INVT TR NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,006,614 shares; 2024Q4: 1,188,734 shares; 2025Q1: 1,417,620 shares; 2025Q2: 1,605,736 shares; 2025Q3: 1,311,488 shares 1,311,488$133M9.11%-294,248Timeline
NNNNNN REIT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,740,981 shares; 2024Q4: 3,003,606 shares; 2025Q1: 3,306,538 shares; 2025Q2: 3,300,053 shares; 2025Q3: 3,069,753 shares 3,069,753$131M8.96%-230,300Timeline
OREALTY INCOME CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,523,720 shares; 2024Q4: 3,207,870 shares; 2025Q1: 2,793,536 shares; 2025Q2: 2,374,494 shares; 2025Q3: 2,085,394 shares 2,085,394$127M8.69%-289,100Timeline
VTRVENTAS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,343,336 shares; 2024Q4: 3,097,830 shares; 2025Q1: 2,735,085 shares; 2025Q2: 2,576,620 shares; 2025Q3: 1,770,189 shares 1,770,189$124M8.49%-806,431Timeline
KRCKILROY REALTY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 2,707,102 shares; 2025Q1: 4,438,739 shares; 2025Q2: 4,050,074 shares; 2025Q3: 2,791,863 shares 2,791,863$118M8.09%-1,258,211Timeline
FRFIRST INDL RLTY TR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,086,963 shares; 2024Q4: 1,640,530 shares; 2025Q1: not reported; 2025Q2: 1,660,174 shares; 2025Q3: 2,053,829 shares 2,053,829$106M7.25%+393,655Timeline
HHYATT HOTELS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 334,016 shares; 2025Q2: 497,517 shares; 2025Q3: 604,500 shares 604,500$85.8M5.88%+106,983Timeline
SHOSUNSTONE HOTEL INVS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,663,978 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 3,708,130 shares 3,708,130$34.7M2.38%newTimeline
AKRACADIA RLTY TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,718,816 shares 1,718,816$34.6M2.37%newTimeline
SITCSITE CTRS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 227,435 shares; 2024Q4: 1,582,301 shares; 2025Q1: 2,351,452 shares; 2025Q2: 2,749,546 shares; 2025Q3: 3,330,365 shares 3,330,365$30M2.06%+580,819Timeline
LINELINEAGE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 513,900 shares 513,900$19.9M1.36%newTimeline
CURBCURBLINE PPTYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 767,641 shares 767,641$17.1M1.17%newTimeline
FUNSIX FLAGS ENTERTAINMENT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 3,794,084 shares; 2025Q3: 487,121 shares 487,121$11.1M0.76%-3,306,963Timeline
HUTHUT 8 CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 158,627 shares 158,627$5.52M0.38%newTimeline

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
HSTHOST HOTELS & RESORTS INC4,374,633$67.2Mshares
EQIXEQUINIX INC52,126$41.5Mshares
AIVAPARTMENT INVT & MGMT CO4,779,357$41.3Mshares
CORZCORE SCIENTIFIC INC NEW1,218,475$20.8Mshares
CORZCORE SCIENTIFIC INC NEW810,800$13.8Mcall
HPPHUDSON PAC PPTYS INC4,529,012$12.4Mshares
PGREPARAMOUNT GROUP INC2,015,533$12.3Mshares

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001214659-25-016635 base2025-11-14acceptance time not in the bulk data set