Ticker · CUSIP 492327101
Holders (tracked)
11
Combined shares
2,861,324
Combined value
$58.26M
Last close
$11.67
Quarter
2025Q4
Price · 1Y$11.67-2.40 (-17.06%)H $21.84 · L $10.61 · Avg Vol 640K
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is -42.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) added2026-02-17+296,376 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−575,952 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+235,916 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+166,863 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+38,848 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−20,282 shares · 2025Q4Position
- +28,307 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−23,808 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+436,986 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+39,641 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+133,701 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+69,001 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+1,566 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+34,042 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+8,100 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of KROS…
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 |
|---|---|---|---|---|
| D.E. Shaw & Co. | 2020Q4 | $10.77 | +8.4% | $8.8M |
| AQR Capital Management | 2023Q1 | $16.40 | -28.8% | $2.1M |
| Renaissance Technologies | 2020Q2 | $19.00 | -38.6% | $6.9M |
| Two Sigma Investments | 2020Q4 | $19.25 | -39.4% | $3.7M |
| Izzy Englander (Millennium Mgmt) | 2020Q3 | $19.57 | -40.4% | $2.6M |
| Ken Griffin (Citadel Advisors) | 2020Q2 | $20.11 | -42.0% | $2.4M |
| Ken Griffin (Citadel Advisors) | 2020Q2 | $20.11 | -42.0% | $2.4M |
| Ken Griffin (Citadel Advisors) | 2020Q2 | $20.11 | -42.0% | $2.4M |
| Steve Cohen (Point72) | 2020Q2 | $20.37 | -42.7% | $453K |
| Paul Tudor Jones (Tudor Investment) | 2022Q2 | $36.10 | -67.7% | $330K |
| T. Rowe Price | 2021Q4 | $45.36 | -74.3% | $347K |
Who moved on this name in 2025Q4
Position changes 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 | $80.7M |
| 2022Q4 | 8 | $167.8M |
| 2023Q1 | 12 | $154.8M |
| 2023Q2 | 9 | $153.2M |
| 2023Q3 | 9 | $128.6M |
| 2023Q4 | 10 | $179.8M |
| 2024Q1 | 9 | $344.5M |
| 2024Q2 | 12 | $234.2M |
| 2024Q3 | 10 | $231.6M |
| 2024Q4 | 10 | $44.1M |
| 2025Q1 | 11 | $22.7M |
| 2025Q2 | 9 | $23.0M |
| 2025Q3 | 9 | $33.6M |
| 2025Q4 | 11 | $58.3M |
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 | T. Rowe Price | 29.7K | $605K |
| 10 | Paul Tudor Jones Tudor Investment | 28.3K | $576K |
| 11 | Ken Griffin Citadel Advisors | 22.2K | $452K |
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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