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Quant fund, long-only 13F filer

Two Sigma Investments

Two Sigma Investments is a data-science-driven quant firm founded by John Overdeck and David Siegel in 2001, using machine learning and distributed computing to trade systematically. It discloses US-listed long equity (and some options) positions each quarter on SEC Form 13F — bonds, cash, private businesses and non-US holdings are not in that filing.

132.9BUSDreported value
5,017positions
+12.4BUSDon the prior filing
WESTERN DIGITAL CORPlargest holding, 1.1%

What did Two Sigma Investments change last quarter?

In the quarter ended 30 June 2026 Two Sigma Investments opened 1,084 positions, the largest INTUIT (INTU) at 564.2M USD, then SELECT SECTOR SPDR TR and SPACE EXPLORATION TECHN CORP. It added to 1,404, trimmed 1,145 and sold out of 613, against the filing before.

Against the previous quarter's 13F, largest first within each kind; the 20 largest of each kind are listed

Quarterly changes by position
PositionChangeShares movedValue after
INTUINTUITNew buy+2.2M564.2M USD
XLESELECT SECTOR SPDR TRNew buy+5.8M309.1M USD
SPCXSPACE EXPLORATION TECHN CORPNew buy+1.8M303.3M USD
ICEINTERCONTINENTAL EXCHANGE INNew buy+2.0M249.8M USD
FTVFORTIVE CORPNew buy+3.2M196.1M USD
SUPER MICRO COMPUTER INCNo US ticker on fileNew buy+3.2M163.9M USD
ALPHABET INCNo US ticker on fileNew buy+3.1M155.0M USD
CMCSACOMCAST CORP NEWNew buy+4.9M120.3M USD
NXPINXP SEMICONDUCTORS N VNew buy+343.1K96.4M USD
GAMESTOP CORPNo US ticker on fileNew buy+88.0M89.1M USD
LYBLYONDELLBASELL INDUSTRIES NVNew buy+1.6M84.7M USD
ASNDASCENDIS PHARMA A/SNew buy+305.8K81.6M USD
DDDUPONT DE NEMOURS INCNew buy+582.1K79.0M USD
AVLVAMERICAN CENTY ETF TRNew buy+838.3K76.5M USD
FIRSTENERGY CORPNo US ticker on fileNew buy+64.2M71.3M USD
VLUEISHARES TRNew buy+347.9K69.5M USD
ALPHABET INCNo US ticker on fileNew buy+1.2M60.8M USD
TDGTRANSDIGM GROUP INCNew buy+44.9K59.8M USD
AKAMAI TECHNOLOGIES INCNo US ticker on fileNew buy+38.0M55.4M USD
TGBTREKOR METALS LTDNew buy+7.9M54.3M USD
BRK.BBERKSHIRE HATHAWAY INC DELAdded+652.8K1.1B USD
CCITIGROUP INCAdded+1.6M831.1M USD
BSXBOSTON SCIENTIFIC CORPAdded+9.9M826.2M USD
ISRGINTUITIVE SURGICAL INCAdded+573.8K787.1M USD
SCHWSCHWAB CHARLES CORPAdded+3.1M777.4M USD
KMBKIMBERLY-CLARK CORPAdded+1.9M774.4M USD
GSGOLDMAN SACHS GROUP INCAdded+387.8K762.1M USD
ABTABBOTT LABORATORIESAdded+1.7M737.4M USD
MSFTMICROSOFT CORPAdded+448.4K682.4M USD
CMGCHIPOTLE MEXICAN GRILL INCAdded+10.3M628.5M USD
EQIXEQUINIX INCAdded+124.6K601.3M USD
WFCWELLS FARGO & COAdded+5.7M600.5M USD
RTXRTX CORPORATIONAdded+1.2M589.7M USD
ITWILLINOIS TOOL WKS INCAdded+685.7K582.5M USD
CMECME GROUP INCAdded+1.3M534.4M USD
CITHE CIGNA GROUPAdded+1.2M499.8M USD
AALAMERICAN AIRLINES GROUP INCAdded+13.1M492.2M USD
DOWDOW HLDGS INCAdded+13.4M489.0M USD
RSGREPUBLIC SVCS INCAdded+571.2K485.9M USD
BLKBLACKROCK INCAdded+292.3K466.7M USD
NVDANVIDIA CORPORATIONTrimmed−4.9M1.3B USD
AAPLAPPLE INCTrimmed−1.8M1.2B USD
GOOGLALPHABET INCTrimmed−2.2M802.9M USD
MUMICRON TECHNOLOGY INCTrimmed−1.8M617.7M USD
BEBLOOM ENERGY CORPTrimmed−1.5M610.4M USD
SNDKSANDISK CORPTrimmed−521.1K549.5M USD
NBISNEBIUS GROUP N.V.Trimmed−1.3M415.6M USD
PLTRPALANTIR TECHNOLOGIES INCTrimmed−2.9M413.5M USD
NBIXNEUROCRINE BIOSCIENCES INCTrimmed−984.3K349.9M USD
WMWASTE MGMT INC DELTrimmed−705.4K297.3M USD
DELLDELL TECHNOLOGIES INCTrimmed−2.4M282.7M USD
QQQINVESCO QQQ TRTrimmed−332.3K237.9M USD
TERTERADYNE INCTrimmed−370.3K227.0M USD
SESEA LTDTrimmed−957.8K224.8M USD
ADBEADOBE INCTrimmed−2.0M224.1M USD
AVGOBROADCOM INCTrimmed−1.7M211.7M USD
LITELUMENTUM HLDGS INCTrimmed−156.6K206.1M USD
ALBALBEMARLE CORPTrimmed−860.2K197.2M USD
TEAMATLASSIAN CORPORATIONTrimmed−2.2M194.1M USD
MSCIMSCI INCTrimmed−251.5K185.0M USD
HONHONEYWELL INTL INCSold out−1.7Mwas 392.7M USD
BLOOM ENERGY CORPNo US ticker on fileSold out−27.0Mwas 194.2M USD
XLKSELECT SECTOR SPDR TRSold out−1.3Mwas 172.1M USD
XLRESELECT SECTOR SPDR TRSold out−2.7Mwas 111.5M USD
CENTERPOINT ENERGY INCNo US ticker on fileSold out−80.0Mwas 94.7M USD
IYRISHARES TRSold out−984.2Kwas 93.1M USD
VENTAS RLTY LTD PARTNERSHIPNo US ticker on fileSold out−57.0Mwas 84.7M USD
CHTRCHARTER COMMUNICATIONS INCSold out−302.2Kwas 65.2M USD
JAZZ INVESTMENTS I LTDNo US ticker on fileSold out−53.1Mwas 64.4M USD
IBNICICI BANK LIMITEDSold out−2.5Mwas 64.4M USD
IWMISHARES TRSold out−251.9Kwas 62.5M USD
ECLECOLAB INCSold out−219.8Kwas 58.5M USD
CNX RES CORPNo US ticker on fileSold out−18.6Mwas 56.7M USD
ASNDASCENDIS PHARMA A/SSold out−220.3Kwas 50.4M USD
TGBTASEKO MINES LTDSold out−7.8Mwas 50.2M USD
MGCVANGUARD WORLD FDSold out−200.2Kwas 47.3M USD
TRITHOMSON REUTERS CORPSold out−408.2Kwas 36.7M USD
SMHVANECK ETF TRUSTSold out−92.3Kwas 35.4M USD
VVVANGUARD INDEX FDSSold out−117.8Kwas 35.2M USD
GLDDGREAT LAKES DREDGE & DOCK COSold out−2.0Mwas 33.8M USD

Rows sharing a company name are separate securities of the same issuer — different share classes or option positions, as filed.

References
  1. SEC EDGAR Form 13F-HR, quarterly, up to 45 days delayed. Filings are public records. Ticker mapping via SEC public files and OpenFIGI.
  2. Finazon prior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
What Two Sigma Investments bought and sold last quarter — 13F changes · The Distributed