Jim Simons

Renaissance Technologies

Jim Simons (Renaissance Technologies) is tracked through public portfolio filings, disclosed holdings, and institutional investment activity. This Jim Simons (Renaissance Technologies) portfolio page tracks Renaissance Technologies holdings, stock picks, latest portfolio moves, and historical 13F filing changes so readers can see which public companies Renaissance Technologies owns and how disclosed positions change over time. Jim Simons (Renaissance Technologies)'s public portfolio can help investors study position sizing, sector exposure, concentration, new buys, trims, exits, and the market themes behind reported capital allocation decisions. Top disclosed holdings and portfolio changes shown on this page include Apple Inc (AAPL), Netflix Inc (NFLX), Costco Wholesale Corporation - Common Stock (COST), Palantir Technologies Inc (PLTR), and Tesla Inc (TSLA). Investors use Renaissance Technologies 13F filings to study portfolio concentration, new buys, trims, exits, sector exposure, and the market evidence behind the latest disclosed holdings.

Biggest Losses

PositionReported PriceCurrent PriceEst. P/LReturnEst. Value
QVC Group Inc.QVCAQ · Q1 2026$2.17$0.21-$124k-90.3%$13k
Tradr 2X Short IREN Daily ETFIREZ · Q1 2026$30.09$5.12-$180k-83.0%$37k
abrdn Physical Palladium Shares ETFPALL · Q1 2026$134.71$24.87-$802k-81.5%$182k
Companhia de Saneamento Básico do Estado de São Paulo - SABESPSBS · Q1 2026$30.51$5.66-$43M-81.4%$9.8M
Vanguard Growth ETFVUG · Q1 2026$436.79$88.21-$9.2M-79.8%$2.3M
iShares Core High Dividend ETFHDV · Q1 2026$135.72$27.58-$692k-79.7%$177k
KinderCare Learning Companies, Inc.KLC · Q1 2026$19.77$4.18-$4.5M-78.9%$1.2M
Carvana CoCVNA · Q1 2026$314.38$69.44-$294M-77.9%$83M
iShares Russell 1000 Growth ETFIWF · Q1 2026$426.40$125.71-$19M-70.5%$7.8M
Direxion Daily AMD Bear 1X ETFAMDD · Q1 2026$8.96$3.14-$76k-65.0%$41k
Embecta Corp.EMBC · Q1 2026$8.84$3.29-$801k-62.8%$475k
Sensei Biotherapeutics, Inc.SNSE · Q1 2026$31.52$13.00-$593k-58.8%$417k
Metalpha Technology Holding LimitedLYL · Q1 2026$1.15$0.5004-$30k-56.5%$23k
CEL-SCI CorporationCVM · Q1 2026$3.21$1.54-$60k-52.0%$55k
BrightSphere Investment Group Inc.BSIG · Q1 2026$54.42$26.34-$1.7M-51.6%$1.6M
Everforth, Inc.EFOR · Q1 2026$38.71$19.08-$1.3M-50.7%$1.3M
Entrada Therapeutics, Inc.TRDA · Q1 2026$12.62$6.73-$1.2M-46.7%$1.4M
Wix.com Ltd.WIX · Q1 2026$90.07$48.21-$24M-46.5%$28M
Powell Industries, Inc.POWL · Q1 2026$541.08$295.94-$8.5M-45.3%$10M
Werewolf Therapeutics, Inc.HOWL · Q1 2026$0.8326$0.456-$194k-45.2%$235k
Gray Media, Inc.GTN-A · Q1 2026$12.41$6.90-$58k-44.4%$73k
Blue Gold LimitedBGL · Q1 2026$1.21$0.6751-$16k-44.2%$20k
Reviva Pharmaceuticals Holdings, Inc.RVPH · Q1 2026$0.7297$0.4092-$14k-43.9%$18k
Fastly, Inc.FSLY · Q1 2026$29.06$16.77-$6.4M-42.3%$8.7M
Gevo, Inc.GEVO · Q1 2026$2.73$1.58-$2.5M-42.1%$3.5M
WM Technology, Inc.MAPS · Q1 2026$0.6584$0.39-$517k-40.8%$752k
Here Group LimitedHERE · Q1 2026$3.54$2.10-$17k-40.6%$25k
Phibro Animal Health CorporationPAHC · Q1 2026$55.31$32.89-$13M-40.5%$19M
Madison Square Garden Entertainment Corp.MSGE · Q1 2026$117.40$69.99-$27M-40.4%$39M
Cable One, Inc.CABO · Q1 2026$91.21$54.74-$2.0M-40.0%$3.0M
CVRx, Inc.CVRX · Q1 2026$9.46$5.68-$73k-40.0%$110k
Cibus, Inc.CBUS · Q1 2026$1.98$1.20-$77k-39.4%$119k
SUNation Energy Inc.SUNE · Q1 2026$2.20$1.35-$79k-38.9%$124k
Intellicheck, Inc.IDN · Q1 2026$6.99$4.31-$1.3M-38.4%$2.1M
Forward Air CorporationFWRD · Q1 2026$16.71$10.38-$1.3M-37.9%$2.2M
aTyr Pharma, Inc.ATYR · Q1 2026$0.78$0.4874-$12k-37.5%$20k
James River Group Holdings, Ltd.JRVR · Q1 2026$6.30$3.94-$102k-37.5%$171k
Comstock Resources, Inc.CRK · Q1 2026$21.08$13.23-$1.0M-37.2%$1.7M
Purple Innovation, Inc.PRPL · Q1 2026$0.6612$0.4164-$166k-37.0%$282k
Lyell Immunopharma, Inc.LYEL · Q1 2026$20.06$12.74-$852k-36.5%$1.5M
CareCloud, Inc.CCLD · Q1 2026$3.65$2.32-$628k-36.4%$1.1M
National Vision Holdings, Inc.EYE · Q1 2026$25.90$16.59-$5.7M-35.9%$10M
Black Rock Coffee Bar, Inc. Class A Common StockBRCB · Q1 2026$12.92$8.38-$943k-35.1%$1.7M
Insmed IncorporatedINSM · Q1 2026$163.52$106.40-$1.2M-34.9%$2.2M
So-Young International Inc.SY · Q1 2026$2.73$1.78-$116k-34.8%$218k
T-REX 2X Inverse Tesla Daily Target ETFTSLZ · Q1 2026$15.88$10.36-$206k-34.8%$387k
Origin Materials, Inc.ORGN · Q1 2026$2.28$1.50-$63k-34.4%$120k
Lisata Therapeutics, Inc.LSTA · Q1 2026$5.01$3.30-$225k-34.1%$435k
Tradr 2X Short TSLA Daily ETFTSLQ · Q1 2026$24.59$16.29-$1.7M-33.8%$3.4M
Gossamer Bio, Inc.GOSS · Q1 2026$0.3285$0.2179-$135k-33.7%$265k