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Equibles

GDYN

Grid Dynamics Holdings, Inc.

Company with tickers: GDYN

CIK
1743725
CUSIP
39813G109
Shares Outstanding
83,626,054
13F Activity (30d)
9 filings 8 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 196
Total Value: $373,443,784
Total Shares: 65,516,474
Showing 1–100 of 198 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 196 13F filers · Δ vs Dec 31, 2025
Top Holder
18.0%
Jun 2023 → Mar 2026 · range 12.5% – 18.0%
+0.4 pts
Top 5
39.3%
Jun 2023 → Mar 2026 · range 37.2% – 42.9%
−2.7 pts
Top 10
54.2%
Jun 2023 → Mar 2026 · range 52.5% – 62.1%
−4.2 pts
HHI
542
Jun 2023 → Mar 2026 · range 448 – 568
Broadly held−26

Quarterly Activity

vs Dec 31, 2025
New
45
Increased
63
Decreased
67
Sold Out
47
Unchanged
21
Holder count: -2
Institutional value: -38.6%
Shares held: -2.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega T. Rowe Price Investment Management, Inc. +1,536,240 2,566,911
Large Alyeska Investment Group, L.P. +1,472,307 5,254,813
Mega D. E. Shaw & Co., Inc. +858,275 1,184,210
Large JACOBS LEVY EQUITY MANAGEMENT, INC +566,425 1,162,845
Mid CenterBook Partners LP +465,147 784,878

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small Fourth Sail Capital LP −3,217,646 610,322
Mega WELLINGTON MANAGEMENT GROUP LLP −2,096,779 260,000
Mega JANE STREET GROUP, LLC −537,389 46,200
Mega DIMENSIONAL FUND ADVISORS LP −370,415 1,400,209
Small 1492 Capital Management LLC −368,178 441,773

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,822,129 $16,086,135
Large FEDERATED HERMES, INC. 1,442,429 $8,221,844
Small Bastion Asset Management Inc. 1,134,450 $6,466,365
Mega VANGUARD FIDUCIARY TRUST CO 464,691 $2,648,738
Mid ALGERT GLOBAL LLC 225,350 $1,284,495

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 5,920,753 $53,464,397
Large Qube Research & Technologies Ltd 488,123 $4,407,750
Large LORD, ABBETT & CO. LLC 339,405 $3,064,827
Small Banco BTG Pactual S.A. 285,000 $2,573,550
Mid WINTON GROUP Ltd 176,251 $1,591,546
Filter: New 45 Increased 63 Reduced 67 Sold out 47 Unchanged 21
Showing 100 of 198
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $67,160,251 17.98% 11,782,501
Large Alyeska Investment Group, L.P. $29,952,434 8.02% 5,254,813
Large BAMCO INC /NY/ $17,101,835 4.58% 3,000,322
Mega STATE STREET CORP $16,623,212 4.45% 2,916,353
Mega VANGUARD CAPITAL MANAGEMENT LLC $16,086,135 4.31% 2,822,129
Mega T. Rowe Price Investment Management, Inc. $14,631,392 3.92% 2,566,911
Mega ALLIANCEBERNSTEIN L.P. $12,959,964 3.47% 2,273,678
Mega MORGAN STANLEY $10,657,612 2.85% 1,869,757
Mega GEODE CAPITAL MANAGEMENT, LLC $9,175,432 2.46% 1,609,725
Large FEDERATED HERMES, INC. $8,221,844 2.20% 1,442,429
Mid RIVERBRIDGE PARTNERS LLC $8,136,231 2.18% 1,427,409
Mega DIMENSIONAL FUND ADVISORS LP $7,981,191 2.14% 1,400,209
Mega ROYAL BANK OF CANADA Bank $7,481,955 2.00% 1,312,624
Mega D. E. Shaw & Co., Inc. $6,749,996 1.81% 1,184,210
Large JACOBS LEVY EQUITY MANAGEMENT, INC $6,628,216 1.77% 1,162,845
Small Bastion Asset Management Inc. $6,466,365 1.73% 1,134,450
Mid FRONTIER CAPITAL MANAGEMENT CO LLC $6,435,733 1.72% 1,129,076
Large Focus Partners Wealth $5,907,571 1.58% 1,036,416
Mega AMERIPRISE FINANCIAL INC $5,149,669 1.38% 903,451
Small Summit Creek Advisors LLC $4,672,084 1.25% 819,664
Mid CenterBook Partners LP $4,473,804 1.20% 784,878
Mega GOLDMAN SACHS GROUP INC $4,379,230 1.17% 768,286
Mega NORTHERN TRUST CORP Bank $4,355,071 1.17% 764,048
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $3,688,008 0.99% 647,019
Small S SQUARED TECHNOLOGY, LLC $3,629,400 0.97% 636,737
Small Fourth Sail Capital LP $3,478,835 0.93% 610,322
Mega JPMORGAN CHASE & CO $3,386,568 0.91% 594,135
Large BLAIR WILLIAM & CO/IL $2,846,323 0.76% 499,355
Mega UBS Group AG $2,834,232 0.76% 497,234
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $2,750,763 0.74% 482,590
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,648,738 0.71% 464,691
Small 1492 Capital Management LLC $2,518,106 0.67% 441,773
Mega AQR CAPITAL MANAGEMENT LLC $2,489,809 0.67% 436,809
Large Trexquant Investment LP $2,415,517 0.65% 423,775
Large Russell Investments Group, Ltd. $2,398,243 0.64% 420,745
Mid ROYCE & ASSOCIATES LP $2,376,900 0.64% 417,000
Mega Bank of New York Mellon Corp Bank $2,218,540 0.59% 389,218
Mid NICHOLAS COMPANY, INC. $2,179,799 0.58% 382,421
Mega BANK OF AMERICA CORP /DE/ Bank $2,076,747 0.56% 364,342
Large ACADIAN ASSET MANAGEMENT LLC $2,026,925 0.54% 355,601
Mega Invesco Ltd. $2,007,373 0.54% 352,171
Mega PRINCIPAL FINANCIAL GROUP INC $1,845,505 0.49% 323,773
Mega VICTORY CAPITAL MANAGEMENT INC $1,749,073 0.47% 306,855
Small Taylor Frigon Capital Management LLC $1,639,838 0.44% 287,691
Mega CITIGROUP INC $1,636,629 0.44% 287,128
Large SEI INVESTMENTS CO $1,604,259 0.43% 281,449
Mega WELLINGTON MANAGEMENT GROUP LLP $1,481,999 0.40% 260,000
Small FORMULA GROWTH LTD $1,441,763 0.39% 252,941
Mega BNP PARIBAS ARBITRAGE, SA $1,426,248 0.38% 250,219
Large Public Sector Pension Investment Board Pension $1,357,700 0.36% 238,193
Mid ALGERT GLOBAL LLC $1,284,495 0.34% 225,350
Large Quantinno Capital Management LP $1,175,847 0.31% 206,289
Mega RHUMBLINE ADVISERS $1,077,585 0.29% 189,050
Large Walleye Capital LLC $1,006,620 0.27% 176,600
Small Mirador Capital Partners LP $974,574 0.26% 170,978
Large Creative Planning $865,066 0.23% 151,766
Mega Legal & General Group Plc $853,836 0.23% 149,796
Large TUDOR INVESTMENT CORP ET AL $804,429 0.22% 141,128
Mega LPL Financial LLC $781,971 0.21% 137,188
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $763,177 0.20% 133,891
Mega Swiss National Bank Bank $762,090 0.20% 133,700
Mid RICE HALL JAMES & ASSOCIATES, LLC $726,539 0.19% 127,463
Mega Nuveen, LLC $695,553 0.19% 122,027
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $675,159 0.18% 118,449
Mid Magnetar Financial LLC $657,830 0.18% 115,409
Mid Brevan Howard Capital Management LP $648,015 0.17% 113,687
Mid Quantbot Technologies LP $608,047 0.16% 106,675
Mid Linden Thomas Advisory Services, LLC $602,911 0.16% 105,774
Micro P.A.W. CAPITAL CORP $570,000 0.15% 100,000
Large Janney Montgomery Scott LLC $536,529 0.14% 94,128
Mega ENVESTNET ASSET MANAGEMENT INC $519,213 0.14% 91,090
Mid KORNITZER CAPITAL MANAGEMENT INC /KS $509,443 0.14% 89,376
Mid OPPENHEIMER ASSET MANAGEMENT INC. $419,394 0.11% 73,578
Large VOYA INVESTMENT MANAGEMENT LLC $384,094 0.10% 67,385
Large PRUDENTIAL FINANCIAL INC $383,439 0.10% 67,270
Small Themes Management Co LLC $381,774 0.10% 66,978
Mega DEUTSCHE BANK AG\ Bank $364,748 0.10% 63,991
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $362,753 0.10% 63,641
Mega BARCLAYS PLC $320,225 0.09% 56,180
Small Numerai GP LLC $302,613 0.08% 53,090
Large State of Tennessee, Department of Treasury $292,130 0.08% 51,251
Mid GSA CAPITAL PARTNERS LLP $285,946 0.08% 50,166
Mega PRICE T ROWE ASSOCIATES INC /MD/ $284,937 0.08% 49,989
Mid XTX Topco Ltd $280,445 0.08% 49,201
Mega FRANKLIN RESOURCES INC $277,212 0.07% 48,634
Mega JANE STREET GROUP, LLC $263,340 0.07% 46,200
Large Thrivent Financial for Lutherans $251,666 0.07% 44,152
Mega VANGUARD ASSET MANAGEMENT, Ltd $237,672 0.06% 41,697
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $234,669 0.06% 41,170
Large STIFEL FINANCIAL CORP $223,445 0.06% 39,201
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $217,432 0.06% 38,146
Mid Voleon Capital Management LP $213,305 0.06% 37,422
Mid State of Alaska, Department of Revenue $209,702 0.06% 36,790
Mega AMERICAN CENTURY COMPANIES INC $202,350 0.05% 35,500
Large SG Americas Securities, LLC Broker-Dealer $196,746 0.05% 34,517
Mid Illinois Municipal Retirement Fund Pension $196,490 0.05% 34,472
Large FIFTH THIRD BANCORP Bank $193,458 0.05% 33,940
Large RENAISSANCE TECHNOLOGIES LLC $188,100 0.05% 33,000
Mid Campbell & CO Investment Adviser LLC $186,133 0.05% 32,655
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $180,997 0.05% 31,754

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