GDYN — GRID DYNAMICS HOLDINGS, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2018-10-30.
Performance
Technicals
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Measured signals that fired on GDYN
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-08-03 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-07-30 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-07-27 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-02 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-29 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-18 | Gryzlov Yury CHIEF OPERATING OFFICER | Open-market sale 10b5-1 plan | 467 | 7.53 | 3.5K |
| 2026-08-14 | Gryzlov Yury CHIEF OPERATING OFFICER | Shares withheld for tax | 632 | 7.75 | 4.9K |
| 2026-08-14 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for tax | 252 | 7.65 | 1.9K |
| 2026-08-13 | Gryzlov Yury CHIEF OPERATING OFFICER | Open-market sale 10b5-1 plan | 3.9K | 8.00 | 31.4K |
| 2026-08-07 | Zhang Shuo Director | Gift | 5.1K | 0.00 | 0 |
| 2026-07-28 | Doradla Anil CHIEF FINANCIAL OFFICER | Shares withheld for tax | 667 | 6.14 | 4.1K |
| 2026-07-02 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for tax | 36.0K | 6.24 | 224.4K |
| 2026-07-02 | Gryzlov Yury CHIEF OPERATING OFFICER | Open-market sale 10b5-1 plan | 1.2K | 6.29 | 7.8K |
| 2026-07-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for tax | 36.0K | 6.24 | 224.4K |
| 2026-07-01 | Doradla Anil CHIEF FINANCIAL OFFICER | Shares withheld for tax | 2.1K | 6.24 | 13.2K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 67.2M | 11.8M |
| Alyeska Investment Group, L.P. | 30.0M | 5.3M |
| ALLIANCEBERNSTEIN L.P. | 20.5M | 2.3M |
| BAMCO INC /NY/ | 17.1M | 3.0M |
| STATE STREET CORP | 16.6M | 2.9M |
| VANGUARD CAPITAL MANAGEMENT LLC | 16.1M | 2.8M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15.8M | 2.8M |
| MORGAN STANLEY | 10.7M | 1.9M |
| GEODE CAPITAL MANAGEMENT, LLC | 9.2M | 1.6M |
| FEDERATED HERMES, INC. | 8.2M | 1.4M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-19 | 2026-08-18 | on EDGAR ↗ |
| 144 | 2026-08-18 | — | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-14 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-14 | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| 4 | 2026-08-13 | 2026-08-13 | on EDGAR ↗ |
| 144 | 2026-08-13 | — | on EDGAR ↗ |
| 4 | 2026-08-10 | 2026-08-07 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- GRID DYNAMICS HOLDINGS, INC. (GDYN) filed form 4 · 2026-08-19 · SEC EDGAR
- GRID DYNAMICS HOLDINGS, INC. (GDYN) filed form 144 · 2026-08-18 · SEC EDGAR
- GRID DYNAMICS HOLDINGS, INC. (GDYN) filed form 4 · 2026-08-17 · SEC EDGAR
- GRID DYNAMICS HOLDINGS, INC. (GDYN) filed form 4 · 2026-08-17 · SEC EDGAR
- Reflecting On IT Services & Consulting Stocks’ Q2 Earnings: Grid Dynamics (NASDAQ:GDYN) - TradingView · 2026-08-14 · TradingView
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