Ticker · CUSIP 902653104
Holders (tracked)
9
Combined shares
37,588,778
Combined value
$1.36B
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) added2026-02-17+190,886 shares · 2025Q413F
- D.E. Shaw & Co. exited2026-02-17−63,227 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−308,124 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,706 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−224,040 shares · 2025Q413F
- AQR Capital Management added2026-02-17+58,603 shares · 2025Q413F
- Ron Baron (Baron Capital / BAMCO) exited2026-02-17−88,575 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−459,638 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+29,492,515 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+386,939 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−173,534 shares · 2025Q313F
- T. Rowe Price added2025-11-14+5,266 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−151,074 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+28,553 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+56,100 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−29,437,105 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+1,604,540 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+29,492,515$1.08B
Added to3
- Ken Griffin (Citadel Advisors)+190,886$7.0M
- AQR Capital Management+58,603$2.1M
- T. Rowe Price+1,706$63
Trimmed3
- Renaissance Technologies−459,638$16.9M
- Izzy Englander (Millennium Mgmt)−308,124$11.3M
- Wellington Management−224,040$8.2M
Exited2
- Ron Baron (Baron Capital / BAMCO)−88,575$3.3M
- D.E. Shaw & Co.−63,227$2.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $1.09T |
| 2022Q2 | 15 | $915.16B |
| 2022Q3 | 13 | $935.4M |
| 2022Q4 | 13 | $2.32B |
| 2023Q1 | 12 | $2.56B |
| 2023Q2 | 12 | $3.01B |
| 2023Q3 | 12 | $2.17B |
| 2023Q4 | 10 | $2.52B |
| 2024Q1 | 12 | $2.69B |
| 2024Q2 | 13 | $3.03B |
| 2024Q3 | 10 | $1.87B |
| 2024Q4 | 9 | $1.44B |
| 2025Q1 | 9 | $433.4M |
| 2025Q2 | 11 | $1.54B |
| 2025Q3 | 10 | $318.7M |
| 2025Q4 | 9 | $1.36B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-09-25 | Julie Johnson | Sell | $1K – $15K | PDF ↗ |
Who owns UDR
9 super-investors · 2025Q4
Tracked stake
37.59M
shares
Combined value
$1.36B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 29.49M | $1.08B |
| 2 | Wellington Management | 6.35M | $233M |
| 3 | Renaissance Technologies | 440.4K | $16M |
| 4 | AQR Capital Management | 365.3K | $13M |
| 5 | Ken Griffin Citadel Advisors | 361.8K | $13M |
| 6 | Izzy Englander Millennium Mgmt | 93.3K | $3M |
| 7 | Ken Griffin Citadel Advisors | 34.5K | $1M |
| 8 | Ken Griffin Citadel Advisors | 12.4K | $455K |
| 9 | T. Rowe Price | 436.7K | $16K |
Recent moves
20 transactions
- +58,603 · 2025Q4
- SOLDD.E. Shaw & Co.−63,227 · 2025Q4
- −224,040 · 2025Q4
- +190,886 · 2025Q4
- −308,124 · 2025Q4
- +1,706 · 2025Q4
- −88,575 · 2025Q4
- −459,638 · 2025Q4
- +29,492,515 · 2025Q4
- +386,939 · 2025Q3
- −151,074 · 2025Q3
- −173,534 · 2025Q3
- +28,553 · 2025Q3
- +5,266 · 2025Q3
- +56,100 · 2025Q3
- −29,437,105 · 2025Q3
- +1,604,540 · 2024Q3
- +7,499 · 2025Q2
- −1,390,489 · 2025Q2
- TRIMT. Rowe Price−2,548 · 2025Q2
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