Jim Simons
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Jim Simons’s Rapid Micro Biosystems RPID Stock Holding History

Jim Simons’s Portfolio RPID Stock Details RPID Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$367K Buy
212,101
+85,484
+68% +$180K ﹤0.01% 2713
2026
Q1 		$287K Buy
126,617
+10,990
+10% +$40.2K ﹤0.01% 2801
2025
Q4 		$335K Buy
115,627
+5,440
+5% +$18.9K ﹤0.01% 2720
2025
Q3 		$368K Sell
110,187
-800
-0.7% -$2.53K ﹤0.01% 2919
2025
Q2 		$383K Buy
110,987
+400
+0.4% +$1.16K ﹤0.01% 2961
2025
Q1 		$292K Sell
110,587
-72,500
-40% -$165K ﹤0.01% 2936
2024
Q4 		$165K Buy
183,087
+100,942
+123% +$102K ﹤0.01% 3213
2024
Q3 		$73.1K Buy
82,145
+16,158
+24% +$12.6K ﹤0.01% 3304
2024
Q2 		$43.6K Buy
65,987
+8,600
+15% +$7.35K ﹤0.01% 3307
2024
Q1 		$56K Sell
57,387
-20,500
-26% -$19.9K ﹤0.01% 3468
2023
Q4 		$58K Buy
77,887
+55,500
+248% +$56.8K ﹤0.01% 3429
2023
Q3 		$24K Sell
22,387
-5,379
-19% -$5.35K ﹤0.01% 3506
2023
Q2 		$28K Sell
27,766
-12,934
-32% -$13.1K ﹤0.01% 3718
2023
Q1 		$53K Buy
+40,700
New +$52.9K ﹤0.01% 3651

Other funds holding RPID

Bain Capital Life Sciences Investors
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
Armistice Capital
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
AWGLSCP
ABG-WTT Global Life Science Capital Partners Central, Hong Kong, Hong Kong $8.55M AUM 12.76% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KNB
KHAZANAH NASIONAL BERHAD Kuala Lumpur $1.74B AUM 20.75% 1-Year Est. Return
Evernest Financial Advisors
Evernest Financial Advisors Carmel, Indiana $478M AUM 24% 1-Year Est. Return
Advent International
Advent International Boston, Massachusetts $17.7B AUM 5.23% 1-Year Est. Return
Essex Investment Management
Essex Investment Management Boston, Massachusetts $675M AUM 61.81% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jim Simons's RPID Position: Q2 2026 in Review

Jim Simons increased its Rapid Micro Biosystems (RPID) stake by 68% in Q2 2026, buying an estimated $180K and bringing the position to 212,101 shares worth $367K. The position accounts for ﹤0.01% of the portfolio, ranked #2713.

Jim Simons first reported a position in RPID in Q1 2023 and has held it in 14 quarters since. The position peaked at $383K in Q2 2025. 35 funds tracked by Wall St. Rank hold RPID as of Q2 2026.

  • Jim Simons held 212,101 shares of Rapid Micro Biosystems worth $367K as of Q2 2026.
  • Jim Simons bought 85,484 Rapid Micro Biosystems shares in Q2 2026, an estimated $180K.
  • Rapid Micro Biosystems made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #2713 holding.
  • Jim Simons first reported a position in Rapid Micro Biosystems in Q1 2023 and has held it in 14 quarters since.
  • Jim Simons's Rapid Micro Biosystems position peaked at $383K in Q2 2025.
  • 35 funds tracked by Wall St. Rank held Rapid Micro Biosystems as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.