Institutional Manager · CIK 0001736465
RUSH ISLAND MANAGEMENT, LP
NEW YORK, NY · File #028-19383
Latest AUM
$1.60B
Positions
17
Top-10 Concentration
88.5%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | UDR INC | UDR | +3,566,132 | +$130.8M | $0 |
| EXITED | HYATT HOTELS CORP | 448579102 | -604,500 | -$85.8M | $0 |
| ADD | SBA COMMUNICATIONS CORP NEW | SBAC | +234,072 | +$45.3M | +$75,482 |
| NEW | AMERICOLD REALTY TRUST INC | COLD | +2,928,659 | +$37.7M | $0 |
| EXITED | SUNSTONE HOTEL INVS INC NEW | 867892101 | -3,708,130 | -$34.7M | $0 |
| NEW | NATIONAL STORAGE AFFILIATES | NSA-PB | +1,197,716 | +$33.8M | $0 |
| ADD | NNN REIT INC | NNN | +763,333 | +$30.3M | -$9.0M |
| ADD | HEALTHCARE RLTY TR | 42226K105 | +1,204,551 | +$20.4M | -$8.4M |
| EXITED | LINEAGE INC | 53566V106 | -513,900 | -$19.9M | $0 |
| NEW | SMARTSTOP SELF STORAG REIT I | 83192D402 | +505,613 | +$15.6M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202517 pos · $1.60B
- 13F HOLDINGS REPORTQ/E Sep 202517 pos · $1.46B
- 13F HOLDINGS REPORTQ/E Jun 202518 pos · $1.55B
- 13F HOLDINGS REPORTQ/E Mar 202514 pos · $1.57B
- 13F HOLDINGS REPORTQ/E Dec 202414 pos · $1.50B
- 13F HOLDINGS REPORTQ/E Sep 202418 pos · $1.29B
- 13F HOLDINGS REPORTQ/E Jun 202413 pos · $1.22B
- 13F HOLDINGS REPORTQ/E Mar 202416 pos · $1.15B
- 13F HOLDINGS REPORTQ/E Dec 202322 pos · $1.18B
Top 17 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SBA COMMUNICATIONS CORP NEW | SBAC | 1,177,595 | $227.8M | 14.23% |
| 2 | ESSEX PPTY TR INC | 297178105 | 637,211 | $166.7M | 10.42% |
| 3 | HEALTHCARE RLTY TR | 42226K105 | 9,007,902 | $152.7M | 9.54% |
| 4 | NNN REIT INC | NNN | 3,833,086 | $151.9M | 9.49% |
| 5 | UDR INC | UDR | 3,566,132 | $130.8M | 8.17% |
| 6 | FEDERAL RLTY INVT TR NEW | 313745101 | 1,285,095 | $129.5M | 8.09% |
| 7 | VENTAS INC | VTR | 1,633,455 | $126.4M | 7.90% |
| 8 | FIRST INDL RLTY TR INC | 32054K103 | 2,079,542 | $119.1M | 7.44% |
| 9 | REALTY INCOME CORP | O | 2,004,065 | $113.0M | 7.06% |
| 10 | KILROY RLTY CORP | 49427F108 | 2,633,921 | $98.4M | 6.15% |
| 11 | AMERICOLD REALTY TRUST INC | COLD | 2,928,659 | $37.7M | 2.35% |
| 12 | ACADIA RLTY TR | 004239109 | 1,718,816 | $35.3M | 2.21% |
| 13 | NATIONAL STORAGE AFFILIATES | NSA-PB | 1,197,716 | $33.8M | 2.11% |
| 14 | SITE CTRS CORP | 82981J851 | 3,989,634 | $25.6M | 1.60% |
| 15 | SIX FLAGS ENTERTAINMENT CORP | FUN | 1,181,229 | $18.1M | 1.13% |
| 16 | CURBLINE PPTYS CORP | 23128Q101 | 768,327 | $17.8M | 1.11% |
| 17 | SMARTSTOP SELF STORAG REIT I | 83192D402 | 505,613 | $15.6M | 0.98% |