Jim Simons Biotechnology

Renaissance Technologies LLC

$70.6 Billion
Q2 2025

Stock List

Stock	Market Cap.	Holding Value (Reported)	# of Shares.	Last Trade
KROS Keros Therapeutics, Inc.	$353M	$1.96 Million 0.0% of portfolio	146,600	Q2 2025 New
EDIT Editas Medicine, Inc.	$157M	$1.95 Million 0.0% of portfolio	888,400	Q2 2025 Reduced 14.0%
ALLO Allogene Therapeutics, Inc.	$148M	$1.89 Million 0.0% of portfolio	1,670,012	Q2 2025 Added 7.28%
INZY Inozyme Pharma, Inc.	$161M	$1.88 Million 0.0% of portfolio	470,500	Q2 2025 Reduced 16.65%
CRMD Cor Medix Inc.	$474M	$1.88 Million 0.0% of portfolio	152,200	Q2 2025 New
ANNX Annexon, Inc.	$116M	$1.87 Million 0.0% of portfolio	777,900	Q2 2025 Reduced 33.08%
CDXS Codexis, Inc.	$187M	$1.84 Million 0.0% of portfolio	755,486	Q2 2025 Added 16.09%
LCTX Lineage Cell Therapeutics, Inc.	$171M	$1.79 Million 0.0% of portfolio	1,972,335	Q2 2025 Reduced 13.92%
ZNTL Zentalis Pharmaceuticals, Inc.	$80.3M	$1.77 Million 0.0% of portfolio	1,529,553	Q2 2025 Added 85.17%
ALEC Alector, Inc.	$165M	$1.76 Million 0.0% of portfolio	1,254,850	Q2 2025 Added 21.38%
ABEO Abeona Therapeutics Inc.	$38M	$1.7 Million 0.0% of portfolio	299,937	Q2 2025 Added 128.02%
ACIU Ac Immune Sa	$179M	$1.68 Million 0.0% of portfolio	828,321	Q2 2025 Added 3.09%
LRMR Larimar Therapeutics, Inc.	$160M	$1.62 Million 0.0% of portfolio	561,742	Q2 2025 Reduced 42.38%
MGNX Macrogenics Inc	$90.3M	$1.61 Million 0.0% of portfolio	1,326,494	Q2 2025 Added 15.12%
CCCC C4 Therapeutics, Inc.	$110M	$1.56 Million 0.0% of portfolio	1,093,188	Q2 2025 Added 409.64%
ATXS Astria Therapeutics, Inc.	$101M	$1.55 Million 0.0% of portfolio	289,778	Q2 2025 Added 61.74%
ATOS Atossa Therapeutics, Inc.	$97.5M	$1.5 Million 0.0% of portfolio	1,812,251	Q2 2025 Reduced 2.31%
AKRO Akero Therapeutics, Inc.	$2.23B	$1.49 Million 0.0% of portfolio	28,000	Q2 2025 Reduced 85.93%
REPL Replimune Group, Inc.	$259M	$1.42 Million 0.0% of portfolio	153,089	Q2 2025 Reduced 2.01%
CSBR Champions Oncology, Inc.	$88.3M	$1.33 Million 0.0% of portfolio	181,039	Q2 2025 Added 19.07%
TYRA Tyra Biosciences, Inc.	$445M	$1.29 Million 0.0% of portfolio	135,100	Q2 2025 Added 162.84%
VYGR Voyager Therapeutics, Inc.	$131M	$1.22 Million 0.0% of portfolio	392,100	Q2 2025 Added 226.21%
NKTX Nkarta, Inc.	$95.4M	$1.16 Million 0.0% of portfolio	696,372	Q2 2025 Reduced 14.19%
OMER Omeros Corp	$262M	$1.15 Million 0.0% of portfolio	382,700	Q2 2025 New
TCRX T Scan Therapeutics, Inc.	$31.6M	$1.15 Million 0.0% of portfolio	792,056	Q2 2025 Added 366.72%
IPSC Century Therapeutics, Inc.	$30.6M	$1.13 Million 0.0% of portfolio	2,022,500	Q2 2025 Added 70.63%
RCKT Rocket Pharmaceuticals, Inc.	$220M	$1.13 Million 0.0% of portfolio	461,374	Q2 2025 Added 36.31%
TNYA Tenaya Therapeutics, Inc.	$31.4M	$1.12 Million 0.0% of portfolio	1,843,879	Q2 2025 Added 19.6%
ICCC Immucell Corp	$51.5M	$1.11 Million 0.0% of portfolio	159,989	Q2 2025 Added 19.4%
LIFE A Tyr Pharma Inc	$53.2M	$964,000 0.0% of portfolio	518,355	Q2 2025 Added 8.0%
ERAS Erasca, Inc.	$191M	$942,000 0.0% of portfolio	742,500	Q2 2025 Reduced 22.37%
IMNM Immunome Inc.	$120M	$924,000 0.0% of portfolio	99,372	Q2 2025 Reduced 14.33%
DSGN Design Therapeutics, Inc.	$278M	$902,000 0.0% of portfolio	267,800	Q2 2025 Added 1.06%
VKTX Viking Therapeutics, Inc.	$3.06B	$866,000 0.0% of portfolio	32,700	Q2 2025 Reduced 90.02%
MRSN Mersana Therapeutics, Inc.	$590M	$855,000 0.0% of portfolio	2,850,194	Q2 2025 Added 239.34%
CADL Candel Therapeutics, Inc.	$183M	$827,000 0.0% of portfolio	163,600	Q2 2025 New
GBIO Generation Bio Co.	$239M	$825,000 0.0% of portfolio	2,580,780	Q2 2025 Added 37.23%
AURA Aura Biosciences, Inc.	$203M	$823,000 0.0% of portfolio	131,548	Q2 2025 Added 27.35%
AADI Aadi Bioscience, Inc.	$35.9M	$783,000 0.0% of portfolio	458,222	Q2 2025 Reduced 0.84%
VOR Vor Biopharma Inc.	$63.2M	$758,000 0.0% of portfolio	468,112	Q2 2025 Reduced 33.26%
YMAB Y M Abs Therapeutics, Inc.	$372M	$740,000 0.0% of portfolio	164,100	Q2 2025 Reduced 36.07%
RPTX Repare Therapeutics Inc.	$65.4M	$726,000 0.0% of portfolio	522,859	Q2 2025 Added 75.07%
ACET Adicet Bio, Inc.	$25.6M	$703,000 0.0% of portfolio	1,153,816	Q2 2025 Added 42.32%
VRCA Verrica Pharmaceuticals Inc.	$327M	$693,000 0.0% of portfolio	87,200	Q2 2025 New
OVID Ovid Therapeutics Inc.	$38.7M	$691,000 0.0% of portfolio	2,095,309	Q2 2025 Added 104.66%
CRBU Caribou Biosciences, Inc.	$109M	$670,000 0.0% of portfolio	532,121	Q2 2025 New
CRVS Corvus Pharmaceuticals, Inc.	$209M	$660,000 0.0% of portfolio	165,188	Q2 2025 Reduced 37.66%
STRO Sutro Biopharma, Inc.	$40.7M	$648,000 0.0% of portfolio	913,197	Q2 2025 Added 5.09%
CMPX Compass Therapeutics, Inc.	$321M	$583,000 0.0% of portfolio	224,600	Q2 2025 Reduced 30.14%
ADPT Adaptive Biotechnologies Corp	$1.81B	$581,000 0.0% of portfolio	49,900	Q2 2025 Reduced 52.87%

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Jim Simons

Jim Simons is the founder and chairman of Renaissance Technologies, a successful investment firm that uses quantitative approaches to investing. Simons is known for his expertise in mathematical modeling and has a reputation for being a skilled and successful investor. He has generated strong returns for his clients over the long term.

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