Who owns GDYN?
Institutional ownership of Grid Dynamics Holdings Inc. from Form 13F, Q2 2026
197 institutional managers reported holding Grid Dynamics Holdings Inc. (GDYN) in Form 13F filings for Q2 2026, with 62,229,851 shares worth $353M. The largest reported holder was BlackRock, Inc. Managers that filed both quarters cut a net 5,928,190 shares (-8.7%). 50 opened new positions and 45 sold out.
- Funds holding
- 197
- Value held
- $353M
- New / sold out
- 50 / 45
- Net shares, same filers
- -8.7%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of GDYN
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BlackRock, Inc. | $37.9M | 10.7% | 6,676,591 | Trimmed |
| Alyeska Investment Group, L.P. | $34.5M | 9.7% | 6,066,193 | Added |
| T. Rowe Price Investment Management, Inc. | $21.1M | 6.0% | 3,712,682 | Added |
| Bamco Inc | $17.0M | 4.8% | 3,000,000 | Unchanged |
| Vanguard Capital Management LLC | $15.9M | 4.5% | 2,803,256 | Trimmed |
| Morgan Stanley | $13.8M | 3.9% | 2,421,745 | Added |
| Vanguard Portfolio Management LLC | $12.2M | 3.5% | 2,153,933 | Trimmed |
| State Street Corp | $11.5M | 3.2% | 2,018,993 | Trimmed |
| Geode Capital Management, LLC | $10.0M | 2.8% | 1,756,994 | Added |
| Federated Hermes, Inc. | $9.9M | 2.8% | 1,745,369 | Added |
| Jacobs Levy Equity Management, Inc | $7.5M | 2.1% | 1,320,149 | Added |
| Jane Street Group, LLC | $7.1M | 2.0% | 1,256,111 | New |
| Goldman Sachs Group Inc | $6.9M | 1.9% | 1,210,126 | Added |
| Royal Bank of Canada | $6.4M | 1.8% | 1,122,469 | Trimmed |
| Dimensional Fund Advisors LP | $6.3M | 1.8% | 1,107,519 | Trimmed |
| Millennium Management LLC | $6.2M | 1.7% | 1,087,719 | New |
| Ameriprise Financial Inc | $5.9M | 1.7% | 1,035,642 | Added |
| Focus Partners Wealth | $5.8M | 1.7% | 1,027,656 | Trimmed |
| Northern Trust Corp | $5.6M | 1.6% | 991,744 | Added |
| Riverbridge Partners LLC | $5.6M | 1.6% | 986,450 | Trimmed |
| CenterBook Partners LP | $4.7M | 1.3% | 825,343 | Added |
| CSM Advisors, LLC | $4.3M | 1.2% | 755,780 | New |
| Charles Schwab Investment Management Inc | $4.2M | 1.2% | 746,371 | Added |
| S Squared Technology, LLC | $3.6M | 1.0% | 636,737 | Unchanged |
| Trexquant Investment LP | $3.5M | 1.0% | 614,081 | Added |
Share of 13F holdings is each fund's shares as a share of the 62,229,851 GDYN shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Jane Street Group, LLC New+$7.1M
- T. Rowe Price Investment Management, Inc. Added+$6.5M
- Millennium Management LLC New+$6.2M
- Alyeska Investment Group, L.P. Added+$4.6M
- CSM Advisors, LLC New+$4.3M
- Morgan Stanley Added+$3.1M
- Kennedy Capital Management LLC New+$2.8M
- Susquehanna International Group, LLP Added+$2.7M
- Squarepoint Ops LLC New+$2.7M
- Goldman Sachs Group Inc Added+$2.5M
Biggest sellers in Q2 2026
- BlackRock, Inc. Trimmed-$29.0M
- Alliancebernstein L.p. Trimmed-$11.2M
- Bastion Asset Management Inc. Sold out-$6.9M
- Frontier Capital Management Co LLC Sold out-$6.4M
- State Street Corp Trimmed-$5.1M
- D. E. Shaw & Co., Inc. Trimmed-$3.6M
- Vanguard Portfolio Management LLC Trimmed-$3.6M
- Fourth Sail Capital LP Sold out-$3.5M
- Blair William & Co Trimmed-$2.8M
- Riverbridge Partners LLC Trimmed-$2.5M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $72.3M and sold $107M; 66 added and 58 trimmed.
Schedule 13D and 13G filings on GDYN
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-05-15Alyeska Investment Group, L.P. SCHEDULE 13G filed by Grid Dynamics Holdings Inc.Schedule 13G
- 2025-11-14Alyeska Investment Group, L.P. SCHEDULE 13G filed by Grid Dynamics Holdings Inc.Schedule 13G
- 2025-01-09BlackRock, Inc. SCHEDULE 13G filed by BlackRock Inc.Schedule 13G
Questions about GDYN ownership
- Who owns GDYN stock?
- 197 institutional investment managers reported GDYN positions in their Form 13F filings for Q2 2026, holding 62,229,851 shares worth $353M in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling GDYN?
- In Q2 2026, 50 managers opened new GDYN positions, 66 added, 58 trimmed and 45 sold out. Managers that filed in both quarters sold a net 5,928,190 shares.
- How current is this GDYN institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to GDYN by CUSIP. Options are left out. GDYN news and filings · GDYN insider trades · Top funds