Ticker · CUSIP 68278B107
Holders (tracked)
12
Combined shares
11,320,283
Combined value
$207.70M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 6.
SEC event timeline
21 events
- D.E. Shaw & Co. opened position2026-02-17+13,300 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+1,871,452 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+470,765 shares · 2025Q413F
- +177,462 shares · 2025Q413F
- AQR Capital Management opened position2026-02-17+290,426 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−368,195 shares · 2025Q413F
- T. Rowe Price added2026-02-17+2,700 shares · 2025Q413F
- Wellington Management added2026-02-17+81,202 shares · 2025Q413F
- George Soros (Soros Fund Mgmt) added2026-02-13+7,400 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+5,974,029 shares · 2025Q413F
- −44,621 shares · 2025Q313F
- −30,000 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−83,818 shares · 2025Q313F
- Two Sigma Investments exited2025-11-14−56,968 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−371,251 shares · 2025Q313F
- T. Rowe Price added2025-11-14+7,100 shares · 2025Q313F
- Wellington Management opened position2025-11-14+1,261,552 shares · 2025Q313F
- George Soros (Soros Fund Mgmt) trimmed2025-11-14−303,200 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−6,343,592 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−9,200 shares · 2025Q313F
- Norges Bank (Norway SWF) opened position2025-11-12+2,680,000 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 positions5
- Norges Bank (Norway SWF)+5,974,029$109.8M
- Steve Cohen (Point72)+470,765$8.7M
- AQR Capital Management+290,426$5.3M
- Paul Tudor Jones (Tudor Investment)+177,462$3.3M
- D.E. Shaw & Co.+13,300$244K
Added to4
- Ken Griffin (Citadel Advisors)+1,871,452$34.4M
- Wellington Management+81,202$1.5M
- George Soros (Soros Fund Mgmt)+7,400$136K
- T. Rowe Price+2,700$50
Trimmed1
- Izzy Englander (Millennium Mgmt)−368,195$6.8M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q3 | 13 | $156.3M |
| 2024Q4 | 10 | $217.6M |
| 2025Q1 | 9 | $41.3M |
| 2025Q2 | 12 | $269.4M |
| 2025Q3 | 8 | $55.7M |
| 2025Q4 | 12 | $207.7M |
Who owns K4F
12 super-investors · 2025Q4
Tracked stake
11.32M
shares
Combined value
$208M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added6Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 5.97M | $110M |
| 2 | Ken Griffin Citadel Advisors | 2.27M | $42M |
| 3 | Wellington Management | 1.34M | $25M |
| 4 | Steve Cohen Point72 | 470.8K | $9M |
| 5 | Izzy Englander Millennium Mgmt | 335.6K | $6M |
| 6 | George Soros Soros Fund Mgmt | 330.0K | $6M |
| 7 | AQR Capital Management | 290.4K | $5M |
| 8 | Paul Tudor Jones Tudor Investment | 177.5K | $3M |
| 9 | Ken Griffin Citadel Advisors | 73.6K | $1M |
| 10 | Ken Griffin Citadel Advisors | 20.2K | $371K |
| 11 | D.E. Shaw & Co. | 13.3K | $244K |
| 12 | T. Rowe Price | 19.9K | $365 |
Recent moves
20 transactions
- +177,462 · 2025Q4
- +1,871,452 · 2025Q4
- +81,202 · 2025Q4
- +2,700 · 2025Q4
- +290,426 · 2025Q4
- −368,195 · 2025Q4
- +13,300 · 2025Q4
- +470,765 · 2025Q4
- +7,400 · 2025Q4
- +5,974,029 · 2025Q4
- −44,621 · 2025Q3
- SOLDD.E. Shaw & Co.−371,251 · 2025Q3
- −83,818 · 2025Q3
- −56,968 · 2025Q3
- +1,261,552 · 2025Q3
- −303,200 · 2025Q3
- −30,000 · 2025Q3
- +7,100 · 2025Q3
- −9,200 · 2025Q3
- −6,343,592 · 2025Q3
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