Ticker · CUSIP 498894104
Holders (tracked)
11
Combined shares
7,149,556
Combined value
$502.97M
Last close
$89.12
Quarter
2025Q4
Price · 1Y$89.12-2.49 (-2.72%)H $102.89 · L $59.93 · Avg Vol 638K
Position opened
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +26.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) added2026-02-17+274,845 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−12,712 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−8,513 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+6,948 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+123,594 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+116,100 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+465,569 shares · 2025Q4Position
- Mario Gabelli (GAMCO) added2026-02-05+13,449 shares · 2025Q4Position
- Baillie Gifford & Co trimmed2026-01-23−70,370 shares · 2025Q4Position
- AQR Capital Management trimmed2025-11-14−41,238 shares · 2025Q3Position
- +32,997 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−40,688 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+807,740 shares · 2025Q3Position
- Renaissance Technologies exited2025-11-13−69,400 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−652,372 shares · 2025Q3Position
- Mario Gabelli (GAMCO) added2025-11-12+54,434 shares · 2025Q3Position
- Baillie Gifford & Co opened position2025-10-31+2,198,771 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of KNF…
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 |
|---|---|---|---|---|
| Norges Bank (Norway SWF) | 2023Q2 | $49.19 | +81.2% | $41.5M |
| Renaissance Technologies | 2023Q3 | $65.48 | +36.1% | $10.3M |
| Two Sigma Investments | 2023Q3 | $66.34 | +34.3% | $2.0M |
| Ken Griffin (Citadel Advisors) | 2023Q2 | $70.51 | +26.4% | $30.4M |
| Ken Griffin (Citadel Advisors) | 2023Q2 | $70.51 | +26.4% | $30.4M |
| Ken Griffin (Citadel Advisors) | 2023Q2 | $70.51 | +26.4% | $30.4M |
| Mario Gabelli (GAMCO) | 2023Q2 | $70.89 | +25.7% | $8.5M |
| AQR Capital Management | 2023Q2 | $72.93 | +22.2% | $2.2M |
| Izzy Englander (Millennium Mgmt) | 2023Q2 | $75.97 | +17.3% | $2.2M |
| Baillie Gifford & Co | 2025Q3 | $76.87 | +15.9% | $189.7M |
| T. Rowe Price | 2023Q2 | $83.61 | +6.6% | $348.9M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+465,569$32.8M
- Renaissance Technologies+116,100$8.2M
Added to4
- Ken Griffin (Citadel Advisors)+274,845$19.3M
- Mario Gabelli (GAMCO)+13,449$946K
- AQR Capital Management+6,948$489K
- T. Rowe Price+123,594$9K
Trimmed3
- Baillie Gifford & Co−70,370$5.0M
- Two Sigma Investments−12,712$894K
- Izzy Englander (Millennium Mgmt)−8,513$599K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q2 | 8 | $337.7M |
| 2023Q3 | 12 | $412.6M |
| 2023Q4 | 12 | $569.5M |
| 2024Q1 | 13 | $705.0M |
| 2024Q2 | 13 | $609.5M |
| 2024Q3 | 11 | $143.4M |
| 2024Q4 | 10 | $113.4M |
| 2025Q1 | 9 | $187.0M |
| 2025Q2 | 9 | $320.5M |
| 2025Q3 | 9 | $480.8M |
| 2025Q4 | 11 | $503.0M |
Who owns KNF
11 super-investors · 2025Q4
Tracked stake
7.15M
shares
Combined value
$503M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added6Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | T. Rowe Price | 3.92M | $275M |
| 2 | Baillie Gifford & Co | 2.13M | $150M |
| 3 | Norges Bank Norway SWF | 465.6K | $33M |
| 4 | Ken Griffin Citadel Advisors | 341.5K | $24M |
| 5 | Renaissance Technologies | 116.1K | $8M |
| 6 | Mario Gabelli GAMCO | 95.3K | $7M |
| 7 | Izzy Englander Millennium Mgmt | 24.5K | $2M |
| 8 | AQR Capital Management | 24.2K | $2M |
| 9 | Two Sigma Investments | 22.4K | $2M |
| 10 | Ken Griffin Citadel Advisors | 8.3K | $584K |
| 11 | Ken Griffin Citadel Advisors | 8.1K | $570K |
Recent moves
20 transactions
- +6,948 · 2025Q4
- −12,712 · 2025Q4
- +123,594 · 2025Q4
- +274,845 · 2025Q4
- −8,513 · 2025Q4
- +116,100 · 2025Q4
- +465,569 · 2025Q4
- +13,449 · 2025Q4
- −70,370 · 2025Q4
- −40,688 · 2025Q3
- +807,740 · 2025Q3
- +32,997 · 2025Q3
- −41,238 · 2025Q3
- −652,372 · 2025Q3
- −69,400 · 2025Q3
- +54,434 · 2025Q3
- +2,198,771 · 2025Q3
- +1,315,975 · 2025Q2
- −2,433 · 2025Q2
- +20,423 · 2025Q2
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