What does CUSIP 39813G109 represent in this 13F holders report?

CUSIP 39813G109 is the security identifier for GDYN - GRID DYNAMICS HOLDINGS, INC. - Class A Stock used to aggregate holder disclosures.

How many institutions held GDYN - GRID DYNAMICS HOLDINGS, INC. - Class A Stock in Q2 2025?

202 institutional investors reported GDYN - GRID DYNAMICS HOLDINGS, INC. - Class A Stock for Q2 2025. Use the holders table for investor-level position and value details.

GRID DYNAMICS HOLDINGS, INC. - Class A Stock (GDYN)

CUSIP: 39813G109

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Class A Stock
Total 13F shares: 70,942,659
Total 13F value: $819,678,577
Share change: +1,794,080
Put/Call ratio: 55%
SEC-reported price per share: $11.55
Number of holders: 202
Value change: +$8,207,541
Number of buys: 118
Number of sells: 107
Shares outstanding: 83,257,970

Security key

39813G109

Report period

Q2 2025

Institutions

202

Top holders

GDYN full security history Ownership snapshot Full 13F holder table GRID DYNAMICS HOLDINGS, INC. SEC filings GRID DYNAMICS HOLDINGS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of GDYN - GRID DYNAMICS HOLDINGS, INC. - Class A Stock (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

VANGUARD GROUP INC

Disclosed value leader

BlackRock, Inc.

Comparable rows

15/15

Latest evidence

31 Mar 2025

13F 13D/G Lead comparable stake: 6.7% 13D/G row: VANGUARD GROUP INC Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 6.7%.

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 VANGUARD GROUP INC's linked filing trail.

Comparable ownership Top 5

VANGUARD GROUP INC 6.7%

BlackRock, Inc. 12%

WASATCH ADVISORS LP 5.5%

BAMCO INC /NY/ 3.6%

LOOMIS SAYLES & CO L P 3.1%

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
VANGUARD GROUP INC	13F 13D/G Company · The Vanguard Group 13F 13D/G	6.7% from 13D/G	$86,072,059 5,499,812 shares	—	31 Mar 2025
BlackRock, Inc.	13F Company 13F	12%	$157,755,020 10,080,193 shares	—	31 Mar 2025
WASATCH ADVISORS LP	13F Company 13F	5.5%	$71,320,790 4,557,239 shares	—	31 Mar 2025
BAMCO INC /NY/	13F Company 13F	3.6%	$46,950,000 3,000,000 shares	—	31 Mar 2025
LOOMIS SAYLES & CO L P	13F Company 13F	3.1%	$40,898,000 2,613,323 shares	—	31 Mar 2025
RIVERBRIDGE PARTNERS LLC	13F Company 13F	3.1%	$40,596,827 2,594,046 shares	—	31 Mar 2025

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 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

202

70,942,659

Rows available

202

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 2025 vs Q1 2025 Across Filers

Q1 2025 holders

222

Q2 2025 holders

202

Holder diff

-20

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %