Ticker · CUSIP 500600101
Holders (tracked)
9
Combined shares
1,077,584
Combined value
$2.05M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
13 events
- Murray Michael Andrew · CEO2026-04-15Sold $190.2K @ $3.01Insider sell
- Murray Michael Andrew · CEO2026-04-13Sold $526.2K @ $2.80Insider sell
- Ken Griffin (Citadel Advisors) added2026-02-17+13,700 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+11,515 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−294,231 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−228,188 shares · 2025Q413F
- T. Rowe Price added2026-02-17+9,921 shares · 2025Q413F
- AQR Capital Management added2026-02-17+11,134 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+26,964 shares · 2025Q413F
- AQR Capital Management opened position2025-11-14+114,335 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+391,433 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+103,790 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−56,793 shares · 2025Q313F
Insider activity
Last 30 days
Net (open-market)
−$716.4K
Buys
0 · $0
Sells
2 · $716.4K
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-15 | Murray Michael Andrew CEO · Officer, Director | S | 63,200 | $3.01 | $190.2K |
| 04-13 | Murray Michael Andrew CEO · Officer, Director | S | 187,920 | $2.80 | $526.2K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Renaissance Technologies+26,964$63K
- D.E. Shaw & Co.+11,515$27K
Added to3
- Ken Griffin (Citadel Advisors)+13,700$32K
- AQR Capital Management+11,134$26K
- T. Rowe Price+9,921$23
Trimmed2
- Two Sigma Investments−294,231$688K
- Izzy Englander (Millennium Mgmt)−228,188$534K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $18.5M |
| 2022Q2 | 10 | $7.7M |
| 2022Q3 | 9 | $162K |
| 2022Q4 | 9 | $3.8M |
| 2023Q1 | 9 | $3.6M |
| 2023Q2 | 9 | $9.6M |
| 2023Q3 | 8 | $4.5M |
| 2023Q4 | 8 | $4.4M |
| 2024Q1 | 7 | $6.2M |
| 2024Q2 | 9 | $3.6M |
| 2024Q3 | 7 | $641K |
| 2024Q4 | 8 | $2.5M |
| 2025Q1 | 7 | $2.7M |
| 2025Q2 | 6 | $1.0M |
| 2025Q3 | 7 | $3.2M |
| 2025Q4 | 9 | $2.1M |
Who owns KOPN
9 super-investors · 2025Q4
Tracked stake
1.08M
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added4Trim2Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 258.3K | $604K |
| 2 | Ken Griffin Citadel Advisors | 168.7K | $395K |
| 3 | AQR Capital Management | 125.5K | $294K |
| 4 | Ken Griffin Citadel Advisors | 124.3K | $291K |
| 5 | Two Sigma Investments | 96.0K | $225K |
| 6 | Ken Fisher Fisher Asset Mgmt | 65.9K | $154K |
| 7 | Renaissance Technologies | 27.0K | $63K |
| 8 | D.E. Shaw & Co. | 11.5K | $27K |
| 9 | T. Rowe Price | 200.5K | $470 |
Recent moves
20 transactions
- +11,515 · 2025Q4
- +11,134 · 2025Q4
- +13,700 · 2025Q4
- +9,921 · 2025Q4
- −294,231 · 2025Q4
- −228,188 · 2025Q4
- +26,964 · 2025Q4
- +114,335 · 2025Q3
- +391,433 · 2025Q3
- +103,790 · 2025Q3
- TRIMT. Rowe Price−56,793 · 2025Q3
- +53,090 · 2025Q2
- −27,930 · 2025Q2
- −2,057,484 · 2025Q2
- +10,515 · 2025Q2
- −247,674 · 2025Q1
- +1,873,031 · 2025Q1
- TRIMT. Rowe Price−16,900 · 2025Q1
- −185,623 · 2025Q1
- +328,713 · 2024Q4
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