Ticker · CUSIP 492327101
Holders (tracked)
11
Combined shares
2,861,324
Combined value
$57.65M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) added2026-02-17+296,376 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−575,952 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+235,916 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+166,863 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+38,848 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−20,282 shares · 2025Q413F
- +28,307 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−23,808 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+436,986 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+39,641 shares · 2025Q313F
- AQR Capital Management added2025-11-14+133,701 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+69,001 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,566 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+34,042 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+8,100 shares · 2025Q313F
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 positions2
- Steve Cohen (Point72)+38,848$791K
- Paul Tudor Jones (Tudor Investment)+28,307$576K
Added to4
- Renaissance Technologies+436,986$8.9M
- Ken Griffin (Citadel Advisors)+296,376$6.0M
- Two Sigma Investments+235,916$4.8M
- Izzy Englander (Millennium Mgmt)+166,863$3.4M
Trimmed3
- D.E. Shaw & Co.−575,952$11.7M
- AQR Capital Management−23,808$485K
- T. Rowe Price−20,282$413
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $91.3M |
| 2022Q2 | 8 | $55.7M |
| 2022Q3 | 8 | $81K |
| 2022Q4 | 8 | $124.9M |
| 2023Q1 | 12 | $98.7M |
| 2023Q2 | 9 | $99.5M |
| 2023Q3 | 9 | $86.9M |
| 2023Q4 | 10 | $138.4M |
| 2024Q1 | 9 | $263.9M |
| 2024Q2 | 12 | $180.0M |
| 2024Q3 | 10 | $143.7M |
| 2024Q4 | 10 | $29.7M |
| 2025Q1 | 11 | $22.3M |
| 2025Q2 | 9 | $22.3M |
| 2025Q3 | 9 | $32.8M |
| 2025Q4 | 11 | $57.7M |
Who owns KROS
11 super-investors · 2025Q4
Tracked stake
2.86M
shares
Combined value
$58M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added6Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 755.5K | $15M |
| 2 | Renaissance Technologies | 591.7K | $12M |
| 3 | Ken Griffin Citadel Advisors | 472.5K | $10M |
| 4 | Two Sigma Investments | 318.4K | $6M |
| 5 | Izzy Englander Millennium Mgmt | 220.2K | $4M |
| 6 | Ken Griffin Citadel Advisors | 203.4K | $4M |
| 7 | AQR Capital Management | 180.5K | $4M |
| 8 | Steve Cohen Point72 | 38.8K | $791K |
| 9 | Paul Tudor Jones Tudor Investment | 28.3K | $576K |
| 10 | Ken Griffin Citadel Advisors | 22.2K | $452K |
| 11 | T. Rowe Price | 29.7K | $605 |
Recent moves
20 transactions
- TRIMT. Rowe Price−20,282 · 2025Q4
- +166,863 · 2025Q4
- +296,376 · 2025Q4
- +235,916 · 2025Q4
- TRIMD.E. Shaw & Co.−575,952 · 2025Q4
- +38,848 · 2025Q4
- −23,808 · 2025Q4
- +28,307 · 2025Q4
- +436,986 · 2025Q4
- +69,001 · 2025Q3
- +1,566 · 2025Q3
- +34,042 · 2025Q3
- +133,701 · 2025Q3
- +39,641 · 2025Q3
- +8,100 · 2025Q3
- −6 · 2025Q2
- +5,188 · 2025Q2
- −219,498 · 2025Q2
- −48,850 · 2025Q2
- +34,253 · 2025Q2
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