13F

Investor

OAK ASSOCIATES LTD /OH/

CIK 0000836372 · filed 2026-05-14 · SEC filing

13F book

$1.49B

Positions

140

21 new · 12 sold

Largest name

7.2%

Amazon Com Inc · AMZN

Est. mark

−$81.1M

Price effect on 119 names still held. Flow −$96.5M.
NameTickerSharesValueWeightEst. markChange
Amazon Com IncAMZN515.8K$107.4M7.2%−$11.6MCut−$13.9M
Alphabet Inc350.7K$100.6M6.8%−$9.45MCut−$37.1M
Kla CorpKLAC61.3K$90.3M6.1%$15.8MCut−$9.26M
Broadcom Inc.AVGO235.5K$72.9M4.9%−$8.62MCut−$8.64M
Cisco Sys Inc919.6K$71.3M4.8%$515KCut$231.9K
Meta Platforms, Inc.META93.3K$53.4M3.6%−$8.21MCut−$12M
Nvidia CorpNVDA303.5K$52.9M3.6%−$3.67MCut−$7.6M
Microsoft CorpMSFT137.3K$50.8M3.4%−$15.6MCut−$21.3M
Visa Inc.V159.4K$48.2M3.2%−$7.71MAdded−$7.63M
Alphabet Inc151.5K$43.6M2.9%−$3.85MCut−$7.13M
Schwab Charles Corp428K$40.2M2.7%−$2.54MCut−$4.53M
Amgen IncAMGN110.5K$38.9M2.6%$2.71MCut−$2.13M
NXP Semiconductors N.V.NXPI170.6K$33.6M2.3%−$3.45MCut−$7.79M
Jpmorgan Chase & Co.107.2K$31.5M2.1%−$3.01MCut−$8.21M
Adobe Inc.ADBE123.9K$30.1M2.0%−$8.48MAdded$2.36M
Apple Inc.AAPL112.9K$28.7M1.9%−$2.04MHeld
Synopsys IncSNPS64.2K$25.4M1.7%−$4.7MHeld
Lowes Cos Inc105.2K$24.9M1.7%−$513.5KCut−$552K
Novartis Ag156.4K$23.9M1.6%$2.33MCut$2.24M
Chubb Limited70.8K$23.1M1.6%$977.8KHeld
Amphenol Corp New170K$21.5M1.4%−$1.49MCut−$2.85M
Advanced Micro Devices IncAMD102.3K$20.8M1.4%−$1.1MHeld
NetApp, Inc.NTAP194.7K$19.9M1.3%−$915.1KHeld
Qualcomm Inc151.9K$19.6M1.3%−$6.42MCut−$11.1M
Lockheed Martin CorpLMT32.1K$19.4M1.3%$3.88MHeld
Netflix IncNFLX175K$16.8M1.1%$346.6KAdded$3.23M
Labcorp Holdings Inc.LH63K$16.8M1.1%$1MHeld
Mastercard IncMA32.9K$16.4M1.1%−$2.34MHeld
Akamai Technologies IncAKAM136.7K$15.7M1.1%$3.77MHeld
Rockwell Automation, IncROK36.6K$13.1M0.9%−$1.07MAdded−$718.5K
Cigna GroupCI47.8K$12.7M0.9%−$405.1KHeld
Alcon IncALC167.7K$12.6M0.9%−$580.2KHeld
Gilead Sciences, Inc.GILD81.8K$11.4M0.8%$1.36MCut$746.2K
Mckesson CorpMCK11.8K$10.2M0.7%$532.5KCut−$328.8K
Accenture Plc Ireland50.1K$9.94M0.7%−$3.51MHeld
Lam Research CorpLRCX44.8K$9.58M0.6%$1.9MCut$86.6K
Salesforce, Inc.CRM49.3K$9.2M0.6%−$3.86MCut−$9.21M
Bank New York Mellon Corp71.5K$8.48M0.6%$181.6KCut−$2.38M
Regeneron Pharmaceuticals, Inc.REGN10.6K$8.16M0.5%$8.13KHeld
State Str Corp63.8K$8.07M0.5%−$156.3KCut−$1.1M
Bristol-Myers Squibb Co131.8K$7.99M0.5%New
Intuit Inc.INTU17.5K$7.56M0.5%New
Oracle Corp51.2K$7.53M0.5%−$2.45MCut−$24.6M
Cirrus Logic, Inc.CRUS51.2K$7.4M0.5%$1.09MAdded$2.46M
Assurant Inc32.9K$7.17M0.5%−$758.9KHeld
Cadence Design System Inc25.6K$7.11M0.5%New
Amdocs LtdDOX108.8K$7.1M0.5%−$1.66MHeld
Eog Res Inc47.1K$6.81M0.5%New
Workday, Inc.WDAY51K$6.62M0.4%New
Applied Indl Technologies In24K$6.36M0.4%$205KCut$85.6K
Slb Limited/NvSLB116.2K$5.97M0.4%New
Airbnb, Inc.ABNB40K$5.05M0.3%New
Expedia Group, Inc.EXPE21.6K$4.98M0.3%New
APA CorpAPA108.1K$4.59M0.3%New
Cardinal Health IncCAH20.5K$4.32M0.3%$118.9KCut$3.6K
Devon Energy Corp New80.5K$4.05M0.3%New
Kulicke & Soffa Inds Inc61.4K$4.04M0.3%$1.24MCut$365.8K
Intuitive Surgical IncISRG8.67K$4M0.3%−$914KHeld
United Therapeutics Corp Del6.7K$3.97M0.3%$708.7KHeld
Linde PlcLIN7.5K$3.72M0.3%$513.2KAdded$562.8K
Jazz Pharmaceuticals PlcJAZZ18.8K$3.55M0.2%$357.6KCut−$147.1K
Paychex IncPAYX37.4K$3.44M0.2%−$749.9KHeld
Quest Diagnostics IncDGX16.6K$3.25M0.2%$372.5KCut$225K
Exelixis, Inc.EXEL72.3K$3.1M0.2%−$67.9KCut−$349.5K
F5, Inc.FFIV10.6K$3.06M0.2%$360.7KCut−$309.4K
Cencora, Inc.COR9.72K$3.05M0.2%−$229.4KHeld
Lantheus Hldgs Inc40.1K$3.04M0.2%$364.2KAdded$433.9K
Crowdstrike Hldgs Inc7.68K$3M0.2%−$601.4KHeld
Newmont Corp27.7K$3M0.2%$232.5KCut$137.2K
Silicon Motion Technology CORPSIMO25.5K$2.86M0.2%$498.8KCut−$134.3K
Advanced Energy Inds8.09K$2.61M0.2%$917KCut−$2.63M
Johnson & JohnsonJNJ10.3K$2.51M0.2%$385.4KHeld
Clear Secure, Inc.YOU51.6K$2.5M0.2%$688KCut$197K
ESAB CorpESAB24.2K$2.34M0.2%−$290.6KAdded$182.8K
Coterra Energy Inc65K$2.28M0.2%$573.3KHeld
Diodes Inc33K$2.25M0.2%$624.7KHeld
Cohu IncCOHU73.1K$2.24M0.2%$537.3KCut$55.2K
Northern Tr Corp15.9K$2.22M0.1%$47.5KHeld
Medpace Hldgs Inc4.38K$2.1M0.1%−$357KHeld
Vertex Pharmaceuticals Inc4.68K$2.09M0.1%−$31.9KHeld
Mercadolibre IncMELI1.2K$2.07M0.1%−$342.3KHeld
Merck & Co., Inc.MRK16.8K$2.03M0.1%$253KHeld
Veeva Sys Inc10.9K$1.92M0.1%−$519.5KCut−$1.29M
National Healthcare CorpNHC11.7K$1.87M0.1%$265.1KHeld
Pegasystems IncPEGA42.5K$1.81M0.1%New
Incyte CorpINCY18.6K$1.75M0.1%−$86.7KHeld
Ishares Tr21.7K$1.48M0.1%$29KHeld
Stryker CorpSYK4.22K$1.39M0.1%−$96.6KHeld
Medtronic PlcMDT15.5K$1.34M0.1%−$145.7KHeld
Zscaler, Inc.ZS8.72K$1.22M0.1%−$737.6KCut−$2.89M
Applovin CorpAPP3K$1.19M0.1%−$827.5KHeld
Eli Lilly & CoLLY1.17K$1.08M0.1%−$181.2KHeld
Us Bancorp Del20K$1.04M0.1%−$27KHeld
Paylocity Hldg Corp8.93K$964.8K0.1%−$397KHeld
Ensign Group, IncENSG4.64K$935K0.1%$126.7KCut−$1.01M
Ptc Inc.PTC6.39K$909.9K0.1%New
Nutanix, Inc.NTNX22.2K$842.4K0.1%New
V2X, Inc.VVX12K$818.7K0.1%$166.7KCut−$67.8K
Novo-Nordisk A S21.6K$795.3K0.1%−$305.8KHeld
Alliancebernstein Hldg L P19.7K$738K0.1%−$20.5KCut−$116K
Cf Inds Hldgs Inc5.16K$669.8K0.0%$270.8KHeld
Republic Svcs Inc3.05K$667.6K0.0%$21.6KHeld
Cno Finl Group Inc16.1K$662.1K0.0%−$22.7KCut−$178.5K
Korn FerryKFY10.1K$637.6K0.0%−$31.1KCut−$136.7K
UiPath, Inc.PATH55.5K$616.2K0.0%New
Elevance Health Inc Formerly2.05K$601.3K0.0%−$118.7KCut−$893.4K
Axos Financial, Inc.AX7.06K$600.6K0.0%−$7.27KAdded$15.5K
Ishares Tr5.75K$570.9K0.0%−$3.51KHeld
Adeia Inc.ADEA23.5K$564.8K0.0%New
Palantir Technologies Inc.PLTR3.84K$561.7K0.0%−$120.8KCut−$1.27M
Selective Ins Group Inc7.12K$537.1K0.0%−$58KAdded−$48.5K
Henry Jack & Assoc Inc3.39K$535.8K0.0%−$82.9KCut−$958K
Artisan Partners Asset Mgmt14.1K$512.4K0.0%−$61.3KCut−$137.8K
Kadant IncKAI1.69K$494.9K0.0%$12.4KCut−$378.1K
Nordson CorpNDSN1.85K$493.3K0.0%$47.5KHeld
Innoviva, Inc.INVA20.4K$476.5K0.0%New
Prestige Consmr Healthcare I7.88K$467.3K0.0%−$19.1KCut−$376.8K
Curtiss Wright CorpCW628$427.7K0.0%$81.5KCut−$180.9K
BWX Technologies, Inc.BWXT2.07K$423.3K0.0%$65.5KCut−$95.2K
Carlisle Cos Inc1.25K$418.7K0.0%$17.3KCut−$30.7K
Caterpillar IncCAT579$410.2K0.0%$78.5KHeld
Insight Enterprises IncNSIT5.82K$389.7K0.0%New
Chord Energy CorpCHRD2.71K$385.9K0.0%New
Asbury Automotive Group IncABG1.95K$381K0.0%−$72.4KCut−$431.6K
Hartford Insurance Group Inc2.74K$370.5K0.0%−$7.04KCut−$279.1K
Transdigm Group IncTDG317$367.4K0.0%−$54.2KHeld
Virtu Finl Inc8.1K$356.2K0.0%$86.3KHeld
Ambarella IncAMBA6.58K$338.7K0.0%−$127.4KCut−$186.5K
Exxon Mobil Corp1.98K$335.1K0.0%$97.4KHeld
Murphy USA Inc.MUSA644$318.1K0.0%$58.3KCut−$95.1K
Valero Energy Corp1.28K$316.8K0.0%New
General Dynamics CorpGD890$305.5K0.0%$5.84KHeld
Ishares Tr3.63K$299.7K0.0%−$908Cut−$496K
Walmart Inc.WMT2.1K$261K0.0%$27KHeld
Ishares Tr3.55K$241.2K0.0%−$2.34KHeld
Costco Whsl Corp New230$229.2K0.0%New
Pool CorpPOOL1.03K$208.4K0.0%−$27.2KHeld
Symbotic Inc.SYM3.81K$202.6K0.0%−$24KHeld
Viatris IncVTRS10.2K$137.9K0.0%$10.8KCut−$155.3K
Freshworks Inc.FRSH15.9K$127.5K0.0%New

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.