Security key
39813G109
GRID DYNAMICS HOLDINGS, INC. - Common Stock, par value $0.0001 per share (GDYN)
CUSIP: 39813G109
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 62,146,347
- Total 13F value
- $352,882,897
- Share change
- -4,011,643
- Put/Call ratio
- 67%
- SEC-reported price per share
- $5.68
- Number of holders
- 196
- Value change
- -$23,287,034
- Number of buys
- 114
- Number of sells
- 105
- Shares outstanding
- 83,671,628
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
196
Top holders
10
GDYN full security history
Ownership snapshot
Full 13F holder table
GRID DYNAMICS HOLDINGS, INC. SEC filings
GRID DYNAMICS HOLDINGS, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of GDYN - GRID DYNAMICS HOLDINGS, INC. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Alyeska Investment Group,...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
30 Jun 2026
13D/G
13F
Lead comparable stake: 7.2%
13D/G row: Alyeska Investment Group, L.P.
Showing 1-6 of 15 holder rows.
Quick read
Alyeska Investment Group, L.P. leads the comparable SEC ownership view at 7.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Alyeska Investment Group, L.P.'s linked filing trail.
Comparable ownership
Top 5
Alyeska Investment Group, L.P.
7.2%
VANGUARD GROUP INC
6.7%
BlackRock, Inc.
6.7%
BAMCO INC /NY/
3.6%
STATE STREET CORP
3.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Alyeska Investment Group, L.P. |
13D/G
13F
Company
|
7.2%
|
$35,851,201
6,066,193 shares
|
+$13,496,590 | 30 Jun 2026 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
6.7%
|
$77,552,719
5,535,526 shares
|
$0 | 31 Dec 2024 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.7%
from 13D/G
|
$67,160,256
11,782,501 shares
|
— | 31 Mar 2026 |
| BAMCO INC /NY/ |
13F
Company
|
3.6%
|
$17,101,835
3,000,322 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
3.5%
|
$16,623,212
2,916,353 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.4%
|
$16,086,135
2,822,129 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
196
Shares
62,146,347
Rows available
196
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
194
Q2 2026 holders
196
Holder diff
2
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|