Grid Dynamics Holdings, Inc.
Grid Dynamics Holdings, Inc. (GDYN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GDYN · as of Sep 30, 2025
Ownership Breakdown
193
Institutional Holders
▼ 12 vs Q2
$529.44M
Total Inst. Value
▼ $290.24M vs Q2
83.63M
Shares Outstanding
freeFloat 93.15%
68.67M
13F Shares Held
▼ 2.27M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
GDYN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-prepackaged software | 11.01M | 13.01% | 13.01% | $84.87B | Nov 12, 2025 | ▲ 945.2K |
VANGUARD GROUP INC services-prepackaged software | 5.64M | 6.67% | 6.67% | $43.49B | Nov 7, 2025 | ▼ 178.8K |
ALYESKA INVESTMENT GROUP, L.P. services-prepackaged software | 4.29M | 5.07% | 5.07% | $33.08B | Nov 17, 2025 | ▲ 3.02M |
BAMCO INC /NY/ services-prepackaged software | 3.00M | 3.55% | 3.55% | $23.13B | Nov 14, 2025 | ▲ 322 |
STATE STREET CORP services-prepackaged software | 2.83M | 3.35% | 3.35% | $21.85B | Nov 14, 2025 | ▲ 230.2K |
FOURTH SAIL CAPITAL LP services-prepackaged software | 2.81M | 3.32% | 3.32% | $21.68B | Nov 14, 2025 | ▲ 1.19M |
RIVERBRIDGE PARTNERS LLC services-prepackaged software | 2.01M | 2.37% | 2.37% | $15.47B | Oct 14, 2025 | ▼ 253.1K |
DIMENSIONAL FUND ADVISORS LP services-prepackaged software | 1.99M | 2.35% | 2.35% | $15.31B | Nov 12, 2025 | ▲ 106.0K |
WELLINGTON MANAGEMENT GROUP LLP services-prepackaged software | 1.95M | 2.31% | 2.31% | $15.05B | Nov 14, 2025 | ▼ 951.7K |
LOOMIS SAYLES & CO L P services-prepackaged software | 1.94M | 2.29% | 2.29% | $14.92B | Nov 13, 2025 | ▼ 617.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+11.88M shares3
New Positions
first time holders16
Decreased
−2.80M shares0
Sold Out
fully exitedNet shares change (top 50)
+9.09M
+11.88M / −2.80M
Net new holders
+17
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
GDYN insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
10
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Gryzlov Yury CHIEF OPERATING OFFICER | Jun 1, 2026 | Sale | 4,435 | $8.00 | $35.5K | 514.9K | Form 4 ↗ |
Livschitz Leonard CHIEF EXECUTIVE OFFICER | May 22, 2026 | Tax Withhold | 162 | $7.08 | $1.1K | 11.3K | Form 4 ↗ |
CARNEY LLOYD director | Dec 23, 2025 | Award | 2,309 | — | — | 692.3K | Form 4 ↗ |
Livschitz Leonard CHIEF EXECUTIVE OFFICER | May 15, 2026 | Tax Withhold | 236 | $6.45 | $1.5K | 11.4K | Form 4 ↗ |
Gryzlov Yury CHIEF OPERATING OFFICER | May 15, 2026 | Sale | 467 | $6.45 | $3.0K | 519.4K | Form 4 ↗ |
Gryzlov Yury CHIEF OPERATING OFFICER | May 14, 2026 | Tax Withhold | 632 | $6.47 | $4.1K | 519.9K | Form 4 ↗ |
Doradla Anil CHIEF FINANCIAL OFFICER | Apr 28, 2026 | Tax Withhold | 702 | $5.60 | $3.9K | 400.1K | Form 4 ↗ |
Gryzlov Yury CHIEF OPERATING OFFICER | Apr 2, 2026 | Sale | 1,245 | $5.54 | $6.9K | 520.5K | Form 4 ↗ |
Livschitz Leonard CHIEF EXECUTIVE OFFICER | Apr 1, 2026 | Tax Withhold | 35,968 | $5.64 | $202.9K | 3.39M | Form 4 ↗ |
Doradla Anil CHIEF FINANCIAL OFFICER | Apr 1, 2026 | Tax Withhold | 2,108 | $5.64 | $11.9K | 400.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Grid Dynamics Holdings, Inc. (GDYN) is primarily owned by institutional investors, who hold approximately 82.1% of total shares outstanding. Company insiders own approximately 6.85%, while retail and public investors account for the remaining 11.03%.
The largest institutional shareholder of Grid Dynamics Holdings, Inc. is BLACKROCK, INC., holding approximately 11.01 million shares — equal to 13.01% of outstanding shares — as of September 30, 2025.
A total of 193 institutional investors currently hold GDYN stock, with a combined institutional value of approximately $529,437,305 as of the most recent 13F filing period.
Frequently asked questions
GDYN ownershipGrid Dynamics Holdings, Inc. (GDYN) is primarily owned by institutional investors, who hold approximately 82.1% of shares. The largest shareholder is BLACKROCK, INC. with a 13.01% stake. Company insiders hold 6.85%. Data sourced from SEC Form 13F as of September 30, 2025.