Ticker · CUSIP 426281101
Holders (tracked)
12
Combined shares
3,394,844
Combined value
$619.49M
Last close
$154.15
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is -15.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
22 events
- AQR Capital Management added2026-02-17+70,761 shares · 2025Q4Position
- Wellington Management added2026-02-17+177 shares · 2025Q4Position
- −890 shares · 2025Q4Position
- Jeremy Grantham (GMO) trimmed2026-02-17−80,841 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+1,347,742 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+56,688 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−1,737 shares · 2025Q4Position
- −54,520 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−205,219 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+705,522 shares · 2025Q4Position
- Baillie Gifford & Co added2026-01-23+160,118 shares · 2025Q4Position
- AQR Capital Management added2025-11-14+4,572 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+33,977 shares · 2025Q3Position
- Two Sigma Investments exited2025-11-14−6,100 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−287 shares · 2025Q3Position
- Wellington Management added2025-11-14+444 shares · 2025Q3Position
- Ray Dalio (Bridgewater Associates) added2025-11-13+64,874 shares · 2025Q3Position
- Jeremy Grantham (GMO) added2025-11-13+89,739 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+181,600 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−640,902 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−145,958 shares · 2024Q3Position
- Baillie Gifford & Co trimmed2025-10-31−9,610 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of JKHY…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $148.06 | +4.1% | $16.0M |
| Ray Dalio (Bridgewater Associates) | 2016Q2 | $159.44 | -3.3% | $8.0M |
| Wellington Management | 2016Q1 | $165.24 | -6.7% | $724K |
| Ron Baron (Baron Capital / BAMCO) | 2020Q1 | $165.55 | -6.9% | $788K |
| Jeremy Grantham (GMO) | 2016Q1 | $168.99 | -8.8% | $30.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $171.02 | -9.9% | $15.4M |
| AQR Capital Management | 2016Q1 | $178.03 | -13.4% | $15.9M |
| Baillie Gifford & Co | 2020Q4 | $180.91 | -14.8% | $76.6M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $182.31 | -15.4% | $1.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $182.31 | -15.4% | $1.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $182.31 | -15.4% | $1.3M |
| Norges Bank (Norway SWF) | 2016Q1 | $580.45 | -73.4% | $108.8M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+705,522$128.7M
Added to5
- Ken Griffin (Citadel Advisors)+1,347,742$245.9M
- Baillie Gifford & Co+160,118$29.2M
- AQR Capital Management+70,761$12.9M
- Izzy Englander (Millennium Mgmt)+56,688$10.3M
- Wellington Management+177$32K
Trimmed4
- Jeremy Grantham (GMO)−80,841$14.8M
- Ray Dalio (Bridgewater Associates)−54,520$9.9M
- Ron Baron (Baron Capital / BAMCO)−890$162K
- T. Rowe Price−1,737$317
Exited1
- Renaissance Technologies−205,219$30.6M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $30.26B |
| 2022Q2 | 14 | $4.68B |
| 2022Q3 | 13 | $1.45B |
| 2022Q4 | 14 | $1.52B |
| 2023Q1 | 16 | $1.37B |
| 2023Q2 | 12 | $1.38B |
| 2023Q3 | 14 | $1.25B |
| 2023Q4 | 13 | $1.24B |
| 2024Q1 | 13 | $1.19B |
| 2024Q2 | 15 | $1.12B |
| 2024Q3 | 15 | $167.9M |
| 2024Q4 | 12 | $120.2M |
| 2025Q1 | 11 | $94.0M |
| 2025Q2 | 14 | $263.3M |
| 2025Q3 | 12 | $210.5M |
| 2025Q4 | 12 | $619.5M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-11-18 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
| 2025-11-12 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
| 2025-07-16 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-07-10 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
Who owns JKHY
12 super-investors · 2025Q4
Tracked stake
3.39M
shares
Combined value
$619M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 1.60M | $292M |
| 2 | Norges Bank Norway SWF | 705.5K | $129M |
| 3 | Baillie Gifford & Co | 496.6K | $91M |
| 4 | Jeremy Grantham GMO | 196.8K | $36M |
| 5 | T. Rowe Price | 103.9K | $19M |
| 6 | AQR Capital Management | 103.4K | $19M |
| 7 | Izzy Englander Millennium Mgmt | 100.2K | $18M |
| 8 | Ray Dalio Bridgewater Associates | 51.8K | $9M |
| 9 | Ken Griffin Citadel Advisors | 18.7K | $3M |
| 10 | Ken Griffin Citadel Advisors | 8.4K | $2M |
| 11 | Ron Baron Baron Capital / BAMCO | 5.1K | $932K |
| 12 | Wellington Management | 4.7K | $857K |
Recent moves
20 transactions
- +56,688 · 2025Q4
- −890 · 2025Q4
- −80,841 · 2025Q4
- +177 · 2025Q4
- +70,761 · 2025Q4
- TRIMT. Rowe Price−1,737 · 2025Q4
- +1,347,742 · 2025Q4
- −54,520 · 2025Q4
- −205,219 · 2025Q4
- +705,522 · 2025Q4
- +160,118 · 2025Q4
- −6,100 · 2025Q3
- +444 · 2025Q3
- +33,977 · 2025Q3
- TRIMT. Rowe Price−287 · 2025Q3
- +4,572 · 2025Q3
- +181,600 · 2025Q3
- −640,902 · 2025Q3
- +64,874 · 2025Q3
- +89,739 · 2025Q3
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