Jim Simons
MXCT icon

Jim Simons’s MaxCyte MXCT Stock Holding History

Jim Simons’s Portfolio MXCT Stock Details MXCT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.4M Buy
1,993,200
+1,206,300
+153% +$1.13M ﹤0.01% 2092
2025
Q4 		$1.22M Buy
786,900
+36,124
+5% +$57.7K ﹤0.01% 2169
2025
Q3 		$1.19M Buy
750,776
+32,976
+5% +$57.3K ﹤0.01% 2397
2025
Q2 		$1.56M Buy
717,800
+349,900
+95% +$847K ﹤0.01% 2264
2025
Q1 		$1M Buy
367,900
+86,700
+31% +$342K ﹤0.01% 2431
2024
Q4 		$1.17M Buy
281,200
+91,100
+48% +$344K ﹤0.01% 2406
2024
Q3 		$739K Sell
190,100
-20,814
-10% -$87.7K ﹤0.01% 2603
2024
Q2 		$827K Buy
210,914
+48,314
+30% +$208K ﹤0.01% 2428
2024
Q1 		$681K Sell
162,600
-26,500
-14% -$124K ﹤0.01% 2720
2023
Q4 		$889K Sell
189,100
-22,000
-10% -$85.7K ﹤0.01% 2484
2023
Q3 		$659K Buy
211,100
+135,400
+179% +$544K ﹤0.01% 2575
2023
Q2 		$347K Sell
75,700
-25,500
-25% -$117K ﹤0.01% 3069
2023
Q1 		$501K Buy
+101,200
New +$498K ﹤0.01% 2885

Other funds holding MXCT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CFM
Capricorn Fund Managers London, United Kingdom $1.27B AUM 70.17% 1-Year Est. Return
VP
Vitruvian Partners London, United Kingdom $201M AUM 10.44% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
MA
Mudita Advisors London, United Kingdom $490M AUM 66.64% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 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
BFM
Brooklands Fund Management London, United Kingdom $128M AUM

Jim Simons's MXCT Position: Q1 2026 in Review

Jim Simons increased its MaxCyte (MXCT) stake by 153% in Q1 2026, buying an estimated $1.13M and bringing the position to 1,993,200 shares worth $1.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2092.

Jim Simons first reported a position in MXCT in Q1 2023 and has held it in 13 quarters since. The position peaked at $1.56M in Q2 2025. 131 funds tracked by Wall St. Rank hold MXCT as of Q1 2026.

  • Jim Simons held 1,993,200 shares of MaxCyte worth $1.4M as of Q1 2026.
  • Jim Simons bought 1,206,300 MaxCyte shares in Q1 2026, an estimated $1.13M.
  • MaxCyte made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2092 holding.
  • Jim Simons first reported a position in MaxCyte in Q1 2023 and has held it in 13 quarters since.
  • Jim Simons's MaxCyte position peaked at $1.56M in Q2 2025.
  • 131 funds tracked by Wall St. Rank held MaxCyte as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.