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 		$446K Sell
27,300
-4,250
-13% -$71.6K ﹤0.01% 9571
2025
Q4 		$599K Sell
31,550
-15,175
-32% -$292K ﹤0.01% 8595
2025
Q3 		$987K Sell
46,725
-36,075
-44% -$855K ﹤0.01% 7561
2025
Q2 		$1.93M Buy
82,800
+52,625
+174% +$999K ﹤0.01% 5764
2025
Q1 		$497K Buy
30,175
+11,625
+63% +$183K ﹤0.01% 8487
2024
Q4 		$281K Sell
18,550
-28,750
-61% -$505K ﹤0.01% 9787
2024
Q3 		$931K Sell
47,300
-96,300
-67% -$2.01M ﹤0.01% 7013
2024
Q2 		$3.15M Buy
143,600
+17,375
+14% +$383K ﹤0.01% 4499
2024
Q1 		$3.01M Buy
126,225
+8,500
+7% +$210K ﹤0.01% 4787
2023
Q4 		$3.29M Buy
117,725
+57,750
+96% +$1.38M ﹤0.01% 4500
2023
Q3 		$1.43M Sell
59,975
-19,950
-25% -$453K ﹤0.01% 5858
2023
Q2 		$1.56M Sell
79,925
-79,500
-50% -$1.44M ﹤0.01% 5614
2023
Q1 		$2.91M Sell
159,425
-12,300
-7% -$274K ﹤0.01% 4682
2022
Q4 		$4.2M Sell
171,725
-2,500
-1% -$68.3K ﹤0.01% 4155
2022
Q3 		$4.96M Buy
174,225
+71,550
+70% +$2.38M ﹤0.01% 3887
2022
Q2 		$3.33M Sell
102,675
-3,000
-3% -$118K ﹤0.01% 4569
2022
Q1 		$4.67M Sell
105,675
-6,025
-5% -$280K ﹤0.01% 4306
2021
Q4 		$7.67M Buy
111,700
+63,200
+130% +$5.66M ﹤0.01% 3535
2021
Q3 		$4.29M Buy
+48,500
New +$5.19M ﹤0.01% 4599

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 $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 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.