Vault-13

GRID DYNAMICS HLDGS INC GDYN

CL A · Common Stock · CUSIP 39813G109 · ISIN US39813G1094

Global provider of AI, engineering, and technology consulting services

159 institutional holders -17 vs Q3 2022
51,691,06451.7m shares reported held*
69.9% of all shares outstanding*
$580.0mreported value*
17 new 61 added 59 reduced 37 sold out net bought ≈ $8.0m (+713.1k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($141.9k this quarter). Holder counts are more reliable. Shares outstanding: 74.0m as of 2022-11-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $11.22. Options: 4 managers hold calls ($2.3m notional), 2 hold puts ($75.2k).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 176Q4 22: 159159Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022176
Q4 2022159

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6mQ3 22 calls: $5.7mQ3 22 puts: $565.0kQ3 22P/C 0.10Q4 22 calls: $2.3mQ4 22 puts: $75.2kQ4 22P/C 0.03
Numbers
QuarterCallsPutsP/C
Q3 2022$5.7m$565.0k0.10
Q4 2022$2.3m$75.2k0.03

Biggest buyers

WASATCH ADVISORS LP Added +1,731,074+1.7m
Granahan Investment Management, LLC Added +743,713+743.7k
JPMORGAN CHASE & CO Added +677,301+677.3k
LOOMIS SAYLES & CO L P Added +567,576+567.6k
BAMCO INC /NY/ Added +450,000+450.0k
VANGUARD GROUP INC Added +394,719+394.7k
ROYAL BANK OF CANADA Added +385,469+385.5k
Summit Creek Advisors LLC Added +369,303+369.3k
JENNISON ASSOCIATES LLC Added +250,307+250.3k
D. E. Shaw & Co., Inc. Added +197,083+197.1k

Biggest sellers

Driehaus Capital Management LLC Reduced -1,849,040-1.8m
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Sold out -1,101,950-1.1m
FRED ALGER MANAGEMENT, LLC Reduced -585,421-585.4k
G2 Investment Partners Management LLC Reduced -359,757-359.8k
J. Goldman & Co LP Sold out -265,454-265.5k
RIVERBRIDGE PARTNERS LLC Reduced -236,474-236.5k
Brookfield Corp /ON/ Sold out -166,665-166.7k
Nuveen Asset Management, LLC Reduced -161,390-161.4k
SEVEN GRAND MANAGERS, LLC Sold out -161,045-161.0k
KENNEDY CAPITAL MANAGEMENT LLC Sold out -148,827-148.8k

Biggest calls

NOMURA HOLDINGS INC New $2.0m180.0k shares
GROUP ONE TRADING LLC New $287.2k25.6k shares
CITADEL ADVISORS LLC Reduced $32.5k2.9k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Reduced $75.2k6.7k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Alyeska Investment Group, L.P. 13G · institution +1.1 pts · filed 2026-08-14 7.2% +1.1 pts 6.1m≈ $34.5m 2026-08-14
BlackRock, Inc. 13G · institution -5.2 pts · filed 2026-07-08 6.7% -5.2 pts 5.6m≈ $31.7m 2026-07-08

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q4 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q1 21: 0 buyingQ1 21: 0 sellingQ2 21: 0 buyingQ2 21: 0 sellingQ2 21Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 4 sellingQ4 21Q1 22: 2 buyingQ1 22: 1 sellingQ2 22: 1 buyingQ2 22: 1 sellingQ2 22Q3 22: 0 buyingQ3 22: 2 sellingQ4 22: 0 buyingQ4 22: 2 sellingQ4 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—4$2.2m—
Q1 20222$279.0k1$433.3k—
Q2 20221$164.2k1$1.5m—
Q3 20220—2$3.5m—
Q4 20220—2$2.5m—
DateInsiderTradeSharesPrice ValueTheir holding
2022-11-23 CARNEY LLOYD Director Sold 60,000 $12.55 $753.0k60.0k shares -8%
2022-11-23 CARNEY LLOYD Director Sold 23,000 $12.50 $287.5k23.0k shares -82%
2022-11-22 CARNEY LLOYD Director Sold 60,000 $12.48 $748.8k60.0k shares -8%
2022-11-22 CARNEY LLOYD Director · See footnote Sold 23,000 $12.48 $287.0k23.0k shares -45%
2022-10-07 Klimoff Stan Chief Strategy Officer Sold 12,000 $16.92 $203.1k12.0k shares -20%
2022-10-07 Klimoff Stan Chief Strategy Officer Sold 12,000 $16.92 $203.0k12.0k shares -4%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 WASATCH ADVISORS LP 0.44% of their portfolio SALT LAKE CITY, UT 5,881,3835.9m $66.0m $66.0m 0.44% Added +1.7m +1,731,074
2 BlackRock Inc. 0.00% of their portfolio New York, NY 5,494,5125.5m $61.6m $61.6m 0.00% Reduced -91.4k -91,375
3 RIVERBRIDGE PARTNERS LLC 0.60% of their portfolio MINNEAPOLIS, MN 3,568,0013.6m $40.0m $40.0m 0.60% Reduced -236.5k -236,474
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 3,146,7913.1m $35.3m $35.3m 0.00% Added +394.7k +394,719
5 BAMCO INC /NY/ 0.11% of their portfolio NEW YORK, NY 3,000,0003.0m $33.7m $33.7m 0.11% Added +450.0k +450,000
6 JENNISON ASSOCIATES LLC 0.03% of their portfolio NEW YORK, NY 2,677,2562.7m $30.0m $30.0m 0.03% Added +250.3k +250,307
7 Toronado Partners, LLC 9.14% of their portfolio SAN FRANCISCO, CA 2,125,9302.1m $23.9m $23.9m 9.14% Added +151.0k +151,029
8 Granahan Investment Management, LLC 0.55% of their portfolio WALTHAM, MA 1,594,3971.6m $17.9m $17.9m 0.55% Added +743.7k +743,713
9 LOOMIS SAYLES & CO L P 0.03% of their portfolio BOSTON, MA 1,515,8161.5m $17.0m $17.0m 0.03% Added +567.6k +567,576
10 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,430,2711.4m $16.0m $16.0m 0.00% Added +385.5k +385,469
11 NEXT CENTURY GROWTH INVESTORS LLC 1.92% of their portfolio PLYMOUTH, MN 1,426,1101.4m $16.0m $16.0m 1.92% Added +140.9k +140,867
12 FRED ALGER MANAGEMENT, LLC 0.08% of their portfolio NEW YORK, NY 1,274,5221.3m $14.3m $14.3m 0.08% Reduced -585.4k -585,421
13 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,235,0241.2m $13.9m $13.9m 0.00% Added +173.3k +173,346
14 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 1,158,6181.2m $13.0m $13.0m 0.01% Reduced -161.4k -161,390
15 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,110,0361.1m $12.5m $12.5m 0.00% Added +101.2k +101,233
16 Summit Creek Advisors LLC 1.48% of their portfolio MINNEAPOLIS, MN 972,228972.2k $10.9m $10.9m 1.48% Added +369.3k +369,303
17 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 971,951972.0k $10.9m $10.9m 0.00% Added +59.3k +59,290
18 BLAIR WILLIAM & CO/IL 0.04% of their portfolio CHICAGO, IL 885,726885.7k $9.9m $9.9m 0.04% Reduced -22.9k -22,873
19 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 776,306776.3k $8.7m $8.7m 0.00% Added +677.3k +677,301
20 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 709,230709.2k $8.0m $8.0m 0.00% Added +20.3k +20,304
21 FEDERATED HERMES, INC. 0.02% of their portfolio PITTSBURGH, PA 696,934696.9k $7.8m $7.8m 0.02% Not comparable
22 KORNITZER CAPITAL MANAGEMENT INC /KS 0.14% of their portfolio SHAWNEE MISSION, KS 618,025618.0k $6.9m $6.9m 0.14% Added +131.2k +131,230
23 Driehaus Capital Management LLC 0.08% of their portfolio Chicago, IL 474,220474.2k $5.3m $5.3m 0.08% Reduced -1.8m -1,849,040
24 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 449,263449.3k $5.0m $5.0m 0.00% Added +102.3k +102,335
25 Alyeska Investment Group, L.P. 0.05% of their portfolio CHICAGO, IL 420,289420.3k $4.7m $4.7m 0.05% Reduced -47.0k -47,011
26 S SQUARED TECHNOLOGY, LLC 3.15% of their portfolio RYE, NY 414,355414.4k $4.6m $4.6m 3.15% Added +50.2k +50,200
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 388,334388.3k $4.4m $4.4m 0.00% Added +42.0k +41,986
28 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 352,614352.6k $4.0m $4.0m 0.00% Reduced -60.9k -60,886
29 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 349,955350.0k $3.9m $3.9m 0.00% Reduced -116.6k -116,591
30 Taylor Frigon Capital Management LLC 2.14% of their portfolio SCOTTSDALE, AZ 335,554335.6k $3.8m $3.8m 2.14% Reduced -15.8k -15,849
31 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 300,402300.4k $3.4m $3.4m 0.00% Reduced -45.1k -45,133
32 NICHOLAS COMPANY, INC. 0.07% of their portfolio MILWAUKEE, WI 297,050297.1k $3.3m $3.3m 0.07% Added +18.1k +18,125
33 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 296,795296.8k $3.3m $3.3m 0.01% Added +197.1k +197,083
34 G2 Investment Partners Management LLC 0.98% of their portfolio New York, NY 295,000295.0k $3.3m $3.3m 0.98% Reduced -359.8k -359,757
35 Ensign Peak Advisors, Inc 0.01% of their portfolio SALT LAKE CITY, UT 249,523249.5k $2.8m $2.8m 0.01% Reduced -28.4k -28,450
36 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 218,996219.0k $2.5m $2.5m 0.00% Reduced -35.6k -35,614
37 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 218,079218.1k $2.4m $2.4m 0.00% Added +23.3k +23,272
38 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 209,800209.8k $2.4m $2.4m 0.01% Reduced -26.1k -26,100
39 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 198,675198.7k $2.2m $2.2m 0.01% Added +38.4k +38,393
40 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 196,907196.9k $2.2m $2.2m 0.00% Reduced -41.5k -41,522
41 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 161,589161.6k $1.8m $1.8m 0.00% Reduced -21.4k -21,377
42 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 158,769158.8k $1.8m $1.8m 0.00% Added +4.4k +4,426
43 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 147,918147.9k $1.7m $1.7m 0.00% Added +101.5k +101,475
44 Ghisallo Capital Management LLC 0.27% of their portfolio BOSTON, MA 137,500137.5k $1.5m $1.5m 0.27% Unchanged
45 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.02% of their portfolio New York, NY 135,534135.5k $1.5m $1.5m 0.02% Added +99.5k +99,495
46 OPPENHEIMER ASSET MANAGEMENT INC. 0.02% of their portfolio NEW YORK, NY 118,939118.9k $1.3m $1.3m 0.02% Reduced -16.9k -16,936
47 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 107,844107.8k $1.2m $1.2m 0.01% Added +96.2k +96,168
48 Fiera Capital Corp 0.00% of their portfolio MONTREAL, A8 106,891106.9k $1.2m $1.2m 0.00% Added +1.2k +1,157
49 Swiss National Bank 0.00% of their portfolio ZURICH, V8 105,600105.6k $1.2m $1.2m 0.00% Added +2.2k +2,200
50 RENAISSANCE GROUP LLC 0.06% of their portfolio Covington, KY 103,066103.1k $1.2m $1.2m 0.06% Reduced -2.6k -2,602
51 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 101,502101.5k $1.1m $1.1m 0.00% Reduced -119.4k -119,360
52 LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio LOS ANGELES, CA 92,97193.0k $1.0m $1.0m 0.01% Added +21.7k +21,698
53 CORNERCAP INVESTMENT COUNSEL INC 0.16% of their portfolio Atlanta, GA 82,42082.4k $924.8k $924.8k 0.16% New
54 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 79,49379.5k $891.9k $891.9k 0.00% Reduced -124.5k -124,488
55 Mirador Capital Partners LP 0.20% of their portfolio PLEASANTON, CA 76,44376.4k $857.7k $857.7k 0.20% Reduced -471 -471
56 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 72,14972.1k $809.5k $809.5k 0.00% Added +8.1k +8,078
57 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 68,81368.8k $772.0k $772.0k 0.00% Added +10.5k +10,468
58 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 68,50868.5k $768.7k $768.7k 0.00% New
59 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.00% of their portfolio JUPITER, FL 68,11868.1k $764.3k $764.3k 0.00% Reduced -22.1k -22,136
60 MSD Partners, L.P. 0.09% of their portfolio NEW YORK, NY 66,71466.7k $748.5k $748.5k 0.09% Unchanged
61 ExodusPoint Capital Management, LP 0.01% of their portfolio NEW YORK, NY 65,76965.8k $738.0k $738.0k 0.01% New
62 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 62,35462.4k $699.6k $699.6k 0.00% New
63 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 59,41759.4k $666.7k $666.7k 0.00% Added +2.7k +2,711
64 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 59,30059.3k $665.3k $665.3k 0.00% Unchanged
65 CHARTWELL INVESTMENT PARTNERS, LLC 0.03% of their portfolio BERYWN, PA 57,49757.5k $645.0k $645.0k 0.03% Reduced -54.8k -54,754
66 Jump Financial, LLC 0.03% of their portfolio Chicago, IL 53,50053.5k $600.3k $600.3k 0.03% New
67 TRUIST FINANCIAL CORP 0.00% of their portfolio CHARLOTTE, NC 48,95349.0k $549.3k $549.3k 0.00% Reduced -6.1k -6,120
68 ClariVest Asset Management LLC 0.03% of their portfolio SAN DIEGO, CA 48,50048.5k $544.0k $544.0k 0.03% Reduced -700 -700
69 JUPITER ASSET MANAGEMENT LTD 0.01% of their portfolio London, X0 46,86646.9k $524.9k $524.9k 0.01% Reduced -27.3k -27,270
70 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 45,27745.3k $508.0k $508.0k 0.00% Added +23.0k +23,027
71 New York Life Investment Management LLC 0.01% of their portfolio New York, NY 40,18540.2k $450.9k $450.9k 0.01% Added +4.2k +4,218
72 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 36,52936.5k $409.9k $409.9k 0.00% Reduced -2.7k -2,684
73 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 35,61035.6k $399.5k $399.5k 0.00% Reduced -16 -16
74 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 34,00034.0k $381.5k $381.5k 0.00% New
75 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 33,84333.8k $379.7k $379.7k 0.00% Reduced -53.9k -53,869
76 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 32,60032.6k $365.0k $365.0k 0.00% Unchanged
77 KEYBANK NATIONAL ASSOCIATION/OH 0.00% of their portfolio BROOKLYN, OH 29,97230.0k $336.3k $336.3k 0.00% Unchanged
78 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 29,45029.4k $331.0k $331.0k 0.00% Reduced -4.4k -4,433
79 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 28,46928.5k $319.4k $319.4k 0.00% New
80 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 28,31428.3k $317.7k $317.7k 0.00% Reduced -87.6k -87,563
81 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 28,24128.2k $316.9k $316.9k 0.00% Added +3.5k +3,466
82 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 27,74327.7k $311.0k $311.0k 0.00% Added +15.3k +15,256
83 GSA CAPITAL PARTNERS LLP 0.04% of their portfolio LONDON, X0 26,93526.9k $302.0k $302.0k 0.04% New
84 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 26,20026.2k $294.0k $294.0k 0.00% Reduced -61.3k -61,300
85 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 25,37125.4k $284.7k $284.7k 0.00% Added +2.3k +2,294
86 FMR LLC 0.00% of their portfolio BOSTON, MA 24,99625.0k $280.5k $280.5k 0.00% Added +90 +90
87 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 23,15723.2k $259.8k $259.8k 0.01% Added +6.8k +6,805
88 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 22,93322.9k $257.3k $257.3k 0.00% Added +2.8k +2,822
89 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 21,44721.4k $240.6k $240.6k 0.00% Reduced -3.0k -2,987
90 CNA FINANCIAL CORP 0.14% of their portfolio CHICAGO, IL 21,15021.1k $237.3k $237.3k 0.14% Reduced -13.1k -13,056
91 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 21,12621.1k $237.0k $237.0k 0.00% Added +2.4k +2,353
92 Mesirow Financial Investment Management, Inc. 0.97% of their portfolio CHICAGO, IL 20,65320.7k $231.7k $231.7k 0.97% Unchanged
93 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 20,55820.6k $230.7k $230.7k 0.00% Reduced -1.6k -1,647
94 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 20,35020.4k $228.3k $228.3k 0.00% Reduced -117 -117
95 Legal & General Group Plc 0.00% of their portfolio London, X0 19,99520.0k $224.3k $224.3k 0.00% Added +1.3k +1,341
96 Capital Impact Advisors, LLC 0.21% of their portfolio Boston, MA 19,40119.4k $217.7k $217.7k 0.21% Reduced -1.4k -1,375
97 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 19,27919.3k $216.3k $216.3k 0.00% Added +17 +17
98 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 18,88818.9k $211.9k $211.9k 0.00% Reduced -5.8k -5,757
99 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 18,84818.8k $211.0k $211.0k 0.00% Added +3.6k +3,635
100 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 18,44718.4k $207.0k $207.0k 0.00% Unchanged