Ticker · CUSIP 006739106
Holders (tracked)
8
Combined shares
708,308
Combined value
$51.19M
Last close
$93.33
Quarter
2025Q4
Tracked holders · last 8 quarters
-3 vs previous quarter over the last 8.
Price is +29.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) added2026-02-17+18,285 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−419,090 shares · 2025Q413F
- Steve Cohen (Point72) exited2026-02-17−7,798 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,723 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−44,660 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−343 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−53,800 shares · 2025Q413F
- AQR Capital Management added2025-11-14+1,734 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−525,205 shares · 2025Q313F
- Two Sigma Investments exited2025-11-14−5,358 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+67,426 shares · 2025Q313F
- T. Rowe Price added2025-11-14+894 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−10,028 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−2,204 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+21,800 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ADUS…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2018Q3 | $67.41 | +38.4% | $21.6M |
| Wellington Management | 2016Q1 | $72.40 | +28.9% | $33.8M |
| Renaissance Technologies | 2016Q1 | $76.24 | +22.4% | $4.6M |
| AQR Capital Management | 2016Q1 | $97.85 | -4.6% | $776K |
| Ken Griffin (Citadel Advisors) | 2017Q1 | $108.12 | -13.7% | $1.6M |
| Ken Griffin (Citadel Advisors) | 2017Q1 | $108.12 | -13.7% | $1.6M |
| D.E. Shaw & Co. | 2016Q1 | $109.41 | -14.7% | $767K |
| Izzy Englander (Millennium Mgmt) | 2016Q4 | $115.20 | -19.0% | $279K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to2
- Ken Griffin (Citadel Advisors)+18,285$2.0M
- T. Rowe Price+1,723$185
Trimmed4
- Izzy Englander (Millennium Mgmt)−419,090$45.0M
- Renaissance Technologies−53,800$5.8M
- Wellington Management−44,660$4.8M
- AQR Capital Management−343$37K
Exited1
- Steve Cohen (Point72)−7,798$920K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 13 | $304.0M |
| 2022Q2 | 12 | $267.2M |
| 2022Q3 | 9 | $314K |
| 2022Q4 | 14 | $328.8M |
| 2023Q1 | 14 | $353.5M |
| 2023Q2 | 15 | $348.4M |
| 2023Q3 | 14 | $261.9M |
| 2023Q4 | 13 | $283.0M |
| 2024Q1 | 14 | $412.9M |
| 2024Q2 | 14 | $572.7M |
| 2024Q3 | 13 | $157.7M |
| 2024Q4 | 9 | $33.7M |
| 2025Q1 | 11 | $120.0M |
| 2025Q2 | 12 | $178.1M |
| 2025Q3 | 11 | $115.1M |
| 2025Q4 | 8 | $51.2M |
Who owns ADUS
8 super-investors · 2025Q4
Tracked stake
708.3K
shares
Combined value
$51M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added3Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 362.7K | $39M |
| 2 | Renaissance Technologies | 48.8K | $5M |
| 3 | Ken Griffin Citadel Advisors | 28.1K | $3M |
| 4 | Ken Griffin Citadel Advisors | 17.3K | $2M |
| 5 | AQR Capital Management | 8.3K | $893K |
| 6 | D.E. Shaw & Co. | 8.2K | $882K |
| 7 | Izzy Englander Millennium Mgmt | 3.0K | $321K |
| 8 | T. Rowe Price | 231.9K | $25K |
Recent moves
20 transactions
- −44,660 · 2025Q4
- −343 · 2025Q4
- +1,723 · 2025Q4
- −419,090 · 2025Q4
- +18,285 · 2025Q4
- −7,798 · 2025Q4
- −53,800 · 2025Q4
- TRIMD.E. Shaw & Co.−2,204 · 2025Q3
- +67,426 · 2025Q3
- −10,028 · 2025Q3
- −525,205 · 2025Q3
- +1,734 · 2025Q3
- −5,358 · 2025Q3
- +894 · 2025Q3
- +21,800 · 2025Q3
- +2,207 · 2025Q2
- +231,076 · 2025Q2
- TRIMD.E. Shaw & Co.−40,683 · 2025Q2
- +173,576 · 2025Q2
- +5,358 · 2025Q2
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