Ticker · CUSIP 00191U102
Holders (tracked)
10
Combined shares
4,571,992
Combined value
$218.09M
Last close
$39.22
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is -17.8% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- +89,422 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+145,207 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+399,445 shares · 2025Q413F
- AQR Capital Management added2026-02-17+254,535 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+162,199 shares · 2025Q413F
- −10,880 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+20,421 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−41,492 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+9,377 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+98,000 shares · 2025Q413F
- Two Sigma Investments opened position2025-11-14+58,773 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−433,001 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+342,252 shares · 2025Q313F
- T. Rowe Price added2025-11-14+11,980 shares · 2025Q313F
- −125,000 shares · 2025Q313F
- AQR Capital Management added2025-11-14+349,737 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+40,300 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+90,687 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−523,679 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+43,400 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ASGN…
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 | 2018Q2 | $27.68 | +41.7% | $1.7M |
| Ken Griffin (Citadel Advisors) | 2019Q1 | $48.14 | -18.5% | $8.9M |
| Two Sigma Investments | 2018Q4 | $49.25 | -20.4% | $8.7M |
| D.E. Shaw & Co. | 2018Q3 | $50.17 | -21.8% | $36.0M |
| Ray Dalio (Bridgewater Associates) | 2023Q2 | $50.95 | -23.0% | $4.7M |
| AQR Capital Management | 2018Q2 | $54.77 | -28.4% | $36.2M |
| Izzy Englander (Millennium Mgmt) | 2018Q3 | $55.68 | -29.6% | $16.1M |
| Renaissance Technologies | 2018Q3 | $61.61 | -36.3% | $12.2M |
| Paul Tudor Jones (Tudor Investment) | 2018Q4 | $69.27 | -43.4% | $3.5M |
| Ron Baron (Baron Capital / BAMCO) | 2018Q3 | $80.58 | -51.3% | $51.4M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Paul Tudor Jones (Tudor Investment)+89,422$4.3M
Added to7
- D.E. Shaw & Co.+399,445$19.2M
- AQR Capital Management+254,535$12.3M
- Two Sigma Investments+162,199$7.8M
- Ken Griffin (Citadel Advisors)+145,207$7.0M
- Renaissance Technologies+98,000$4.7M
- Izzy Englander (Millennium Mgmt)+20,421$984K
- Ray Dalio (Bridgewater Associates)+9,377$452K
Trimmed2
- Ron Baron (Baron Capital / BAMCO)−10,880$524K
- T. Rowe Price−41,492$2K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $52.88B |
| 2022Q2 | 13 | $39.05B |
| 2022Q3 | 11 | $37.0M |
| 2022Q4 | 13 | $746.1M |
| 2023Q1 | 14 | $744.2M |
| 2023Q2 | 13 | $733.8M |
| 2023Q3 | 15 | $793.9M |
| 2023Q4 | 10 | $920.4M |
| 2024Q1 | 10 | $979.9M |
| 2024Q2 | 12 | $818.5M |
| 2024Q3 | 11 | $290.5M |
| 2024Q4 | 12 | $276.8M |
| 2025Q1 | 11 | $153.9M |
| 2025Q2 | 11 | $182.3M |
| 2025Q3 | 11 | $160.3M |
| 2025Q4 | 10 | $218.1M |
Who owns ASGN
10 super-investors · 2025Q4
Tracked stake
4.57M
shares
Combined value
$218M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ron Baron Baron Capital / BAMCO | 1.31M | $63M |
| 2 | AQR Capital Management | 922.6K | $44M |
| 3 | D.E. Shaw & Co. | 917.3K | $44M |
| 4 | Izzy Englander Millennium Mgmt | 409.8K | $20M |
| 5 | Renaissance Technologies | 310.5K | $15M |
| 6 | Ken Griffin Citadel Advisors | 226.6K | $11M |
| 7 | Two Sigma Investments | 221.0K | $11M |
| 8 | Ray Dalio Bridgewater Associates | 119.4K | $6M |
| 9 | Paul Tudor Jones Tudor Investment | 89.4K | $4M |
| 10 | T. Rowe Price | 44.6K | $2K |
Recent moves
20 transactions
- +162,199 · 2025Q4
- −10,880 · 2025Q4
- +20,421 · 2025Q4
- TRIMT. Rowe Price−41,492 · 2025Q4
- +254,535 · 2025Q4
- +399,445 · 2025Q4
- +145,207 · 2025Q4
- +89,422 · 2025Q4
- +9,377 · 2025Q4
- +98,000 · 2025Q4
- +58,773 · 2025Q3
- +342,252 · 2025Q3
- +11,980 · 2025Q3
- +349,737 · 2025Q3
- −433,001 · 2025Q3
- −125,000 · 2025Q3
- +90,687 · 2025Q3
- +40,300 · 2025Q3
- −523,679 · 2025Q3
- +43,400 · 2024Q3
Embed this chart
Paste this iframe anywhere to embed the live ASGN chart.
<iframe src="https://openstocks.me/embed/stock/ASGN" width="100%" height="480" frameborder="0" loading="lazy" title="ASGN chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>