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Recent trades from the last 365 days, plus historical signal scoring over 365 days · institutional 13F view →
Buy Trades
0
Sell Trades
0
Buy Value
$0
Sell Value
$0
Historical signal stats are shown once this stock has at least 3 open-market buys or 8 total P/S trades over the last 365 days.
Current sample: 0 buys, 0 sells, 0 open-market trades.
No insider trading activity found for DLB in the last 365 days.
Insiders' intent to sell, filed before the trade — a leading indicator to the executed Form 4 sales above. All Form 144 notices →
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $495.81M | 0.01% | -0.5% |
| 2 | BlackRock, Inc. | $351.07M | 0.01% | +2.1% |
| 3 | STATE STREET CORP | $121.85M | 0.00% | +1.2% |
| 4 | FMR LLC | $83.37M | 0.00% | +56.6% |
| 5 | CITADEL ADVISORS LLC | $30.60M | 0.02% | +1543.5% |
| 6 | MILLENNIUM MANAGEMENT LLC | $22.09M | 0.01% | -2.2% |
| 7 | Grantham, Mayo, Van Otterloo & Co. LLC | $21.68M | 0.05% | +2.3% |
| 8 | Gotham Asset Management, LLC | $17.67M | 0.04% | +39.2% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $16.93M | 0.01% | -71.0% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | $16.83M | 0.00% | +19.4% |
| Date | Member | Type | Amount |
|---|---|---|---|
| Sep 25, 2025 | Sell | $1,001 - $15,000 | |
| Sep 11, 2025 |
| $468.03K |
| RYAN H NICHOLSON | $77.22K |
| SHRIRAM REVANKAR | $188.13K |
| RYAN H NICHOLSON | $83.63K |
| JOHN COULING | $460.00K |
| JOHN COULING | $407.89K |
| Buy |
| $1,001 - $15,000 |
| Aug 4, 2025 | Sell | $1,001 - $15,000 |
| Jun 24, 2025 | Buy | $1,001 - $15,000 |