13F

Investor

Sienna Gestion

CIK 0002021242 · filed 2026-05-15 · SEC filing

13F book

$1.53B

Positions

136

19 new · 33 sold

Largest name

7.6%

Nvidia Corp · NVDA

Est. mark

−$82.2M

Price effect on 117 names still held. Flow −$68.8M.
NameTickerSharesValueWeightEst. markChange
Nvidia CorpNVDA702.3K$116.9M7.6%−$14.1MAdded−$13.6M
Apple Inc.AAPL382.6K$95M6.2%−$789.5KAdded$85.8M
Microsoft CorpMSFT231.5K$83.7M5.5%−$28.4MAdded−$27.9M
Broadcom Inc.AVGO123.5K$36.5M2.4%−$6.49MCut−$11.6M
Tesla, Inc.TSLA79.3K$28.4M1.9%−$703.4KAdded$25M
Jpmorgan Chase & Co.94.6K$27M1.8%−$3.4MCut−$17.8M
Cisco Sys Inc338.2K$26.2M1.7%$197.2KCut−$10.6M
Aercap Holdings Nv179.7K$23.9M1.6%−$1.04MAdded$9.62M
Atmos Energy CorpATO127K$23.7M1.5%$1.05MAdded$14.2M
Home Depot, Inc.HD71.4K$23.3M1.5%−$1.33MAdded−$1.21M
Verizon Communications IncVZ430.6K$21.8M1.4%$3.16MAdded$9.23M
BlackRock, Inc.BLK22.9K$21.5M1.4%New
Eli Lilly & CoLLY23.7K$21.2M1.4%−$3.68MAdded−$605.9K
Manulife Finl Corp604K$20.5M1.3%−$1.52MHeld
Mastercard IncMA40.7K$20.3M1.3%−$130.4KAdded$19.3M
Procter And Gamble CoPG138K$20.1M1.3%$336.6KAdded$447.2K
Applied Matls Inc58.9K$19.2M1.3%$3.93MCut−$9.4M
Western Digital CorpWDC67.3K$17.1M1.1%$5.27MCut$1.99M
General Dynamics CorpGD48K$16.5M1.1%$35.1KAdded$14.3M
Agnico Eagle Mines LtdAEM82.9K$16M1.0%$1.82MCut$1.57M
Accenture Plc Ireland80.3K$16M1.0%−$5.59MHeld
Trane Technologies PlcTT38K$15.4M1.0%$650.7KHeld
State Str Corp123.7K$15.4M1.0%−$663.1KHeld
Bank New York Mellon Corp130.8K$15.2M1.0%−$34KHeld
Wabtec63.1K$15.1M1.0%$1.48MHeld
Ameriprise Finl Inc33K$14.6M0.9%−$1.66MCut−$1.71M
Royal Bk Cda88.9K$14.1M0.9%−$172.3KAdded$11.7M
Intuit Inc.INTU32.7K$14.1M0.9%−$7.67MHeld
Valero Energy Corp55.3K$13.9M0.9%$697.1KAdded$12.6M
Analog Devices IncADI43.4K$13.2M0.9%$1.38MHeld
Phillips 66PSX71K$13.2M0.9%$585.4KAdded$11.9M
Veeva Sys Inc73.8K$13.1M0.9%−$1.62MAdded$5.23M
Travelers Companies, Inc.TRV44.2K$13M0.8%$134.5KHeld
Electronic Arts Inc.EA62.9K$12.8M0.8%New
F5, Inc.FFIV43.7K$12.3M0.8%$1.04MHeld
Mcdonalds CorpMCD39.3K$12.2M0.8%$169.4KHeld
Micron Technology IncMU37.3K$12.1M0.8%$1.23MCut−$15.3M
Halliburton CoHAL296K$11.7M0.8%$2.95MAdded$4.24M
Sun Life Financial Inc.186.4K$11.6M0.8%$6.34KHeld
Booking Holdings Inc.BKNG2.73K$11.3M0.7%−$3.42MCut−$11.1M
Hershey CoHSY52.3K$11.3M0.7%$217.7KAdded$10.1M
Cencora, Inc.COR36K$11.3M0.7%−$552.3KAdded$4.1M
Ebay IncEBAY125.9K$11.2M0.7%$250.7KHeld
Ametek Inc/AME53.1K$11.1M0.7%$39.1KAdded$9.08M
Idexx Labs Inc19.8K$11.1M0.7%−$252.1KAdded$9.67M
PENTAIR plcPNR128.3K$10.9M0.7%−$2.65MCut−$2.82M
Canadian Imperial Bank Of Co116.2K$10.8M0.7%$163.4KHeld
Toronto Dominion Bk Ont115.4K$10.6M0.7%−$244.6KCut−$15.3M
Prologis Inc.81.9K$10.6M0.7%$111.5KHeld
Lam Research CorpLRCX51.7K$10.4M0.7%$1.47MCut−$9.61M
EMCOR Group, Inc.EME14.7K$10.4M0.7%$1.35MHeld
Price T Rowe Group IncTROW113K$10.1M0.7%−$1.52MHeld
Restaurant Brands Intl Inc135.1K$10.1M0.7%New
Uber Technologies, IncUBER142.5K$10M0.7%−$1.61MHeld
Comcast Corp New343.6K$10M0.7%−$243.2KHeld
Capital One Finl Corp55.2K$9.9M0.6%−$3.49MHeld
Bristol-Myers Squibb Co164.2K$9.88M0.6%$1.02MHeld
Advanced Micro Devices IncAMD49.8K$9.83M0.6%−$835.3KCut−$1.73M
Baker Hughes Company160.8K$9.83M0.6%New
Spotify Technology S.A.SPOT20.4K$9.77M0.6%New
Realty Income CorpO155.9K$9.6M0.6%New
Williams Sonoma IncWSM53.7K$9.57M0.6%−$126.5KHeld
Arista Networks, Inc.ANET81K$9.48M0.6%−$1.2MCut−$7.72M
Kla CorpKLAC6.79K$9.46M0.6%$1.06MHeld
Resmed Inc42.2K$9.36M0.6%−$647.5KAdded$1.61M
Citigroup Inc86.4K$9.34M0.6%−$740.2KHeld
Cardinal Health IncCAH44.6K$9.28M0.6%New
Hartford Insurance Group Inc67.9K$9.2M0.6%−$184.7KHeld
Delta Air Lines Inc DelDAL144.5K$9.2M0.6%−$771.3KCut−$2.09M
Consolidated Edison IncED77.3K$8.83M0.6%$1.15MHeld
Expeditors Intl Wash Inc61.9K$8.82M0.6%−$423.9KCut−$659.3K
Intel CorpINTC36.8K$8.79M0.6%−$2.26MHeld
Adobe Inc.ADBE35.9K$8.73M0.6%−$3.88MHeld
Salesforce, Inc.CRM46.8K$8.72M0.6%−$3.66MHeld
Tjx Cos Inc New53.9K$8.46M0.6%New
AbbVie Inc.ABBV39.2K$8.42M0.5%−$545.7KHeld
Canadian Pacific Kansas City107.7K$8.42M0.5%$1.61MHeld
Edwards Lifesciences CorpEW102.8K$8.23M0.5%New
GE Vernova Inc.GEV9.95K$8.19M0.5%New
Darden Restaurants IncDRI41.2K$8.09M0.5%$513.1KHeld
Goldman Sachs Group Inc9.8K$7.97M0.5%−$651.5KCut−$744.7K
M & T Bk Corp39K$7.91M0.5%$2.93KCut−$1.8M
Texas Pacific Land Corporati16.8K$7.89M0.5%$3.01MHeld
HCA Healthcare, Inc.HCA16.6K$7.81M0.5%New
Hubbell IncHUBB16.4K$7.8M0.5%$511.2KHeld
Howmet Aerospace Inc.HWM34.3K$7.71M0.5%$613.1KHeld
Alphabet Inc26.9K$7.42M0.5%−$990.2KHeld
Morgan Stanley46.2K$7.38M0.5%New
Gilead Sciences, Inc.GILD53.4K$7.33M0.5%$789.2KHeld
Avalonbay Cmntys Inc44.8K$7.28M0.5%−$954.6KCut−$1.12M
Las Vegas Sands CorpLVS139.6K$7.26M0.5%New
Stantec IncSTN82.4K$7.03M0.5%−$790.3KHeld
Kenvue Inc.KVUE402.4K$6.99M0.5%New
Ferguson Enterprises Inc30.8K$6.94M0.5%$1.03MHeld
Oracle Corp49.3K$6.9M0.4%−$2.78MHeld
Cigna GroupCI26.4K$6.85M0.4%−$266KAdded$2.01M
Newmont Corp65.1K$6.76M0.4%$49.2KAdded$4.78M
ServiceNow, Inc.NOW63.2K$6.68M0.4%−$1.83MAdded$813.2K
Synchrony Financial94K$6.25M0.4%New
Best Buy Co IncBBY95.7K$6.16M0.4%−$297.8KHeld
TransunionTRU84.8K$5.68M0.4%New
Paychex IncPAYX52.7K$4.95M0.3%−$976.6KAdded−$847.2K
Workday, Inc.WDAY36.2K$4.7M0.3%−$3.12MHeld
Nebius Group N.V.NBIS26.9K$2.5M0.2%New
Hunt J B Trans Svcs Inc9.06K$1.87M0.1%$100.1KHeld
Pepsico IncPEP11.8K$1.86M0.1%$171.2KHeld
Colgate Palmolive CoCL19K$1.64M0.1%$138KHeld
Stryker CorpSYK4.96K$1.63M0.1%−$118.4KHeld
Visa Inc.V5.33K$1.61M0.1%−$266.9KCut−$21.4M
Schwab Charles Corp17K$1.6M0.1%−$107.4KCut−$13.5M
Fastenal CoFAST33.7K$1.53M0.1%$161.3KCut−$4.13M
Cummins IncCMI2.92K$1.51M0.1%$12.9KHeld
Logitech Intl S A15.3K$1.39M0.1%−$178.8KHeld
Netflix IncNFLX14.8K$1.39M0.1%$5.07KHeld
Wp Carey Inc18.2K$1.24M0.1%$62.8KHeld
Ge Healthcare Technologies I16.9K$1.17M0.1%−$26.9KHeld
Palantir Technologies Inc.PLTR8.32K$1.15M0.1%−$344.4KHeld
Regeneron Pharmaceuticals, Inc.REGN1.5K$1.13M0.1%−$22.9KHeld
Exelon CorpEXC22.5K$1.11M0.1%$129.8KHeld
Disney Walt Co11.1K$1.06M0.1%−$213.3KHeld
Elevance Health Inc Formerly3.54K$1.02M0.1%−$213.1KCut−$5.47M
Airbnb, Inc.ABNB7.88K$977.3K0.1%New
Allstate Corp4.6K$960.1K0.1%$3.39KHeld
Snowflake Inc.SNOW6K$928.8K0.1%−$396.9KHeld
Oreilly Automotive Inc9.96K$924K0.1%$17.7KHeld
Expedia Group, Inc.EXPE3.89K$886.9K0.1%−$215.4KHeld
Royal Caribbean Group2.95K$777.3K0.1%−$50.2KHeld
Sunbelt Rentals Holdings, Inc.SUNB12.1K$771K0.1%New
Qualcomm Inc5.98K$765.2K0.1%−$267.7KCut−$13.6M
Abbott LabsABT7.33K$752K0.0%−$165KHeld
Ptc Inc.PTC4.51K$635.1K0.0%−$152.8KHeld
Tractor Supply Co13.6K$621K0.0%−$59.3KHeld
Zscaler, Inc.ZS4K$553.1K0.0%−$352.1KHeld
Illinois Tool Wks Inc2K$516.2K0.0%$17KHeld
Ecolab Inc.ECL590$156K0.0%$744Held
Pembina Pipeline Corp24$1.09K0.0%$180Cut−$12.9M

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.