Dark Pool Activity
Weekly FINRA ATS (Alternative Trading System) data for 1,026 stocks — updated every Friday.
Week of: 2026-08-03
About Dark Pool Data
Dark pools are private exchanges where institutional investors trade large blocks of shares away from public markets. FINRA requires all Alternative Trading Systems (ATS) to report weekly volume data.
- Notional Value: Total dollar value of shares traded in dark pools (shares × price)
- Volume Surge: Week-over-week change in dark pool share volume — spikes may indicate institutional accumulation or distribution
- Avg Trade Size: Shares per trade — larger average sizes suggest institutional block trading rather than retail flow
Data source: FINRA ATS Transparency Data (Tier 1 — NMS stocks), published weekly with a 2-week delay.
Stocks Tracked
1,026
with dark pool data
Total Shares
5.9B
this week
Total Notional
$725.8B
dollar volume
Total Trades
95,725,436
this week
Top 10 by Weekly Notional $
Biggest dollar flow through dark pools this week
| # | Symbol | Company | Price | Mkt Cap | Notional $ | Shares | Trades |
|---|---|---|---|---|---|---|---|
| 1 | MU | Micron Technology, Inc. | $975.26 | $1.1T | $24.7B | 28,395,580 | 883,395 |
| 2 | MSFT | Microsoft Corporation | $495.63 | $3.7T | $22.6B | 45,810,919 | 862,248 |
| 3 | NVDA | NVIDIA Corporation | $218.29 | $5.3T | $19.1B | 88,648,052 | 1,082,094 |
| 4 | SPCX | Space Exploration Technologies Corp. | $151.21 | $2.0T | $16.7B | 142,054,014 | 1,431,409 |
| 5 | SNDK | Sandisk Corporation | $1633.35 | $241.9B | $16.6B | 12,732,297 | 628,589 |
| 6 | AMZN | Amazon.com, Inc. | $256.78 | $2.8T | $14.8B | 53,145,614 | 733,460 |
| 7 | GOOGL | Alphabet Inc. | $338.50 | $4.1T | $13.6B | 36,983,648 | 756,171 |
| 8 | AMD | Advanced Micro Devices, Inc. | $516.13 | $841.6B | $13.4B | 27,336,459 | 593,719 |
| 9 | AAPL | Apple Inc. | $332.27 | $4.9T | $13.4B | 43,621,782 | 746,342 |
| 10 | META | Meta Platforms, Inc. | $648.03 | $1.7T | $10.0B | 16,922,518 | 399,805 |
Top 10 by Week-over-Week Volume Surge
Biggest increase in dark pool share volume vs prior week — potential institutional accumulation
| # | Symbol | Company | Price | Mkt Cap | WoW Change | Shares | Prior Wk | Notional $ |
|---|---|---|---|---|---|---|---|---|
| 1 | GME | GameStop Corp. | $21.15 | $9.5B | +401% | 10,232,648 | 2,043,454 | $195M |
| 2 | HONA | Honeywell Aerospace Inc | $158.26 | $50.2B | +362% | 11,249,983 | 2,435,525 | $1.9B |
| 3 | FSOL | Fidelity Solana Fund | $12.13 | $193M | +340% | 123,955 | 28,193 | $1M |
| 4 | UWMC | UWM Holdings Corporation | $1.35 | $2.0B | +287% | 44,804,050 | 11,574,230 | $57M |
| 5 | FERG | Ferguson plc | $222.54 | $43.2B | +282% | 10,630,214 | 2,780,447 | $2.7B |
| 6 | APTV | Aptiv PLC | $45.54 | $9.6B | +282% | 14,016,897 | 3,671,593 | $681M |
| 7 | PRMB | Primo Brands Corporation | $20.75 | $7.5B | +259% | 13,476,300 | 3,751,754 | $326M |
| 8 | DVA | DaVita Inc. | $181.55 | $11.7B | +256% | 2,889,788 | 811,995 | $587M |
| 9 | CELH | Celsius Holdings, Inc. | $27.22 | $7.0B | +244% | 24,009,604 | 6,976,169 | $641M |
| 10 | RBA | RB Global, Inc. | $83.60 | $15.6B | +228% | 4,966,957 | 1,515,506 | $490M |
Top 10 by Average Trade Size
Largest average shares per trade — indicates institutional block activity
| # | Symbol | Company | Price | Mkt Cap | Avg Trade Size | Shares | Trades | Notional $ |
|---|---|---|---|---|---|---|---|---|
| 1 | UWMC | UWM Holdings Corporation | $1.35 | $2.0B | 544 | 44,804,050 | 82,368 | $57M |
| 2 | PHYS | Sprott Physical Gold Trust | $32.86 | $15.7B | 396 | 7,074,074 | 17,859 | $228M |
| 3 | PSLV | Sprott Physical Silver Trust | $20.95 | $13.3B | 339 | 7,616,021 | 22,493 | $152M |
| 4 | NU | Nu Holdings Ltd. | $14.62 | $70.8B | 273 | 37,244,976 | 136,248 | $533M |
| 5 | WBD | Warner Bros. Discovery, Inc. | $28.04 | $70.3B | 224 | 25,043,933 | 112,011 | $654M |
| 6 | AUR | Aurora Innovation, Inc. | $6.43 | $12.6B | 215 | 21,398,116 | 99,460 | $146M |
| 7 | OWL | Blue Owl Capital Inc. | $10.56 | $16.5B | 210 | 31,739,361 | 150,783 | $362M |
| 8 | AGNC | AGNC Investment Corp. | $10.15 | $11.7B | 209 | 14,727,235 | 70,406 | $158M |
| 9 | T | AT&T Inc. | $26.05 | $178.5B | 201 | 57,746,196 | 286,619 | $1.3B |
| 10 | PATH | UiPath Inc. | $13.75 | $7.3B | 189 | 30,899,062 | 163,122 | $431M |