Ken Griffin
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Ken Griffin’s Marqeta MQ Stock Holding History

Ken Griffin’s Portfolio MQ Stock Details MQ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$15.3M Buy
939,496
+562,283
+149% +$9.47M ﹤0.01% 2661
2025
Q4 		$7.17M Buy
377,213
+126,641
+51% +$2.43M ﹤0.01% 3724
2025
Q3 		$5.29M Sell
250,572
-378,118
-60% -$8.96M ﹤0.01% 4263
2025
Q2 		$14.7M Buy
628,690
+371,389
+144% +$7.05M ﹤0.01% 2542
2025
Q1 		$4.24M Sell
257,301
-1,768,886
-87% -$27.9M ﹤0.01% 4152
2024
Q4 		$30.7M Buy
2,026,187
+1,654,484
+445% +$29M 0.01% 1722
2024
Q3 		$7.32M Sell
371,703
-135,144
-27% -$2.83M ﹤0.01% 3365
2024
Q2 		$11.1M Sell
506,847
-794,167
-61% -$17.5M ﹤0.01% 2647
2024
Q1 		$31M Buy
1,301,014
+1,038,967
+396% +$25.7M 0.01% 1632
2023
Q4 		$7.32M Sell
262,047
-1,652,830
-86% -$39.6M ﹤0.01% 3255
2023
Q3 		$45.8M Buy
1,914,877
+1,064,030
+125% +$24.1M 0.01% 1136
2023
Q2 		$16.6M Sell
850,847
-1,334,431
-61% -$24.2M ﹤0.01% 2079
2023
Q1 		$39.9M Buy
2,185,278
+2,075,775
+1,896% +$46.3M 0.01% 1269
2022
Q4 		$2.68M Sell
109,503
-128,615
-54% -$3.51M ﹤0.01% 4941
2022
Q3 		$6.78M Sell
238,118
-36,861
-13% -$1.23M ﹤0.01% 3374
2022
Q2 		$8.92M Sell
274,979
-880,547
-76% -$34.6M ﹤0.01% 2845
2022
Q1 		$51M Buy
1,155,526
+743,932
+181% +$34.5M 0.01% 1104
2021
Q4 		$28.3M Buy
411,594
+318,468
+342% +$28.5M 0.01% 1664
2021
Q3 		$8.24M Sell
93,126
-287,746
-76% -$30.8M ﹤0.01% 3408
2021
Q2 		$42.8M Buy
+380,872
New +$45.4M 0.01% 1269

Other funds holding MQ

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Ken Griffin's MQ Position: Q1 2026 in Review

Ken Griffin increased its Marqeta (MQ) stake by 149% in Q1 2026, buying an estimated $9.47M and bringing the position to 939,496 shares worth $15.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2661.

Ken Griffin first reported a position in MQ in Q2 2021 and has held it in 20 quarters since. The position peaked at $51M in Q1 2022. 255 funds tracked by Wall St. Rank hold MQ as of Q1 2026.

  • Ken Griffin held 939,496 shares of Marqeta worth $15.3M as of Q1 2026.
  • Ken Griffin bought 562,283 Marqeta shares in Q1 2026, an estimated $9.47M.
  • Marqeta made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2661 holding.
  • Ken Griffin first reported a position in Marqeta in Q2 2021 and has held it in 20 quarters since.
  • Ken Griffin's Marqeta position peaked at $51M in Q1 2022.
  • 255 funds tracked by Wall St. Rank held Marqeta as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.