Renaissance Technologies
Jim Simons (founder)
The quantitative firm Jim Simons founded in 1982, known for the Medallion fund. Its 13F-HR lists thousands of short-horizon positions driven by statistical models, so the holdings change a lot from quarter to quarter.
Teardown dossiers on these holdings
The teardown in writing, the SEC filings in one table, peers and the level map, one read per name.
Top holdings
ranked by weight- #1MUweight2.21%$1.6Bvalue$778.31last
- #2GOOGLweight1.87%$1.4Bvalue$295.77last
- #3AMDweight1.64%$1.2Bvalue$534.06last
- #4UTHRweight1.24%$908Mvalue- last
- #5INTCweight1.14%$835Mvalue$59.66last
- #6UNHweight1.11%$817Mvalue$407.46last
- #7EXELweight1.02%$747Mvalue- last
- #8VRSNweight0.88%$649Mvalue$313.02last
- #9SPCXweight0.85%$621Mvalue$139.11last
- #10CORTweight0.76%$559Mvalue- last
- #11KGCweight0.70%$515Mvalue$20.76last
- #12SNDKweight0.66%$481Mvalue$885.01last
- #13Wweight0.60%$440Mvalue$111.92last
- #14ETSYweight0.59%$431Mvalue- last
- #15FNVweight0.59%$430Mvalue- last
- #16ABNBweight0.59%$430Mvalue$186.78last
- #17Pweight0.58%$428Mvalue- last
- #18CVXweight0.57%$422Mvalue$219.89last
- #19SCHWweight0.57%$419Mvalue$92.98last
- #20PLTRweight0.57%$416Mvalue$167.99last
- #21INCYweight0.55%$404Mvalue- last
- #22NKEweight0.54%$398Mvalue$37.99last
- #23DELLweight0.49%$363Mvalue$344.53last
- #24BACweight0.48%$351Mvalue$51.02last
- #25AZOweight0.47%$348Mvalue- last
- #26NBIXweight0.44%$326Mvalue- last
- #27MELIweight0.43%$319Mvalue$1491.49last
- #28CVNAweight0.43%$314Mvalue$72.37last
- #29GILDweight0.42%$306Mvalue$168.08last
- #30TXNweight0.42%$305Mvalue$303.60last
Frequently asked questions
- What stocks does Renaissance Technologies hold?
- Renaissance Technologies (Jim Simons (founder)) discloses 30 positions as of 2026-09-30. Top by weight: MU (2.21%), GOOGL (1.87%), AMD (1.64%), UTHR (1.24%), INTC (1.14%).
- What is Renaissance Technologies's largest position?
- MU (Micron Technology, Inc.) is Renaissance Technologies's largest disclosed position at 2.21% of the portfolio - $1.6B.
- When did Renaissance Technologies last file?
- Renaissance Technologies's most recent disclosed filing is 13F-HR for period 2026-09-30 (3150 positions total).
- Who is Renaissance Technologies?
- The quantitative firm Jim Simons founded in 1982, known for the Medallion fund. Its 13F-HR lists thousands of short-horizon positions driven by statistical models, so the holdings change a lot from quarter to quarter.
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