Blair William & Co.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed July 24, 2025), Blair William & Co. reported 1,804 stock positions worth $36.0 billion. Its top holding was Microsoft (MSFT) at 5.1% of the portfolio, followed by Amazon.com (AMZN, 3.7%) and Apple (AAPL, 3.4%). Compared with Q1 2025, it opened 109 new positions, sold out of 86, added to 661 and reduced 756. The biggest buy was Nvidia (NVDA, shares +4%) and the biggest sale Apple (AAPL, shares −2%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0000902367
Portfolio Value
$36.0B (Q2 2025)
SEC Filing
0001104659-25-070274 ↗ filed Jul 24, 2025

Holdings Value

0$10.0B$20.0B$30.0B$40.0B Q1 2024: $31.8B Q1 2024 Q2 2024: $32.4B Q2 2024 Q3 2024: $34.0B Q3 2024 Q4 2024: $34.4B Q4 2024 Q1 2025: $33.2B Q1 2025 Q2 2025: $36.0B $36.0B Q2 2025 Q3 2025: $37.6B Q3 2025 Q4 2025: $37.3B Q4 2025 Q1 2026: $34.9B Q1 2026 Q2 2026: $38.4B Q2 2026

Holdings 1,804 stocks · $36.0B

MSFT Microsoft Corp. 5.11% 3,696,704 $1.8B Reduce -1.9%
AMZN Amazon.com Inc. 3.73% 6,121,875 $1.3B Reduce -0.5%
AAPL Apple Inc. 3.43% 6,026,880 $1.2B Reduce -2.4%
NVDA Nvidia Corp. 2.46% 5,599,138 $884.6M Add +4.1%
V Visa Inc. Class A 2.04% 2,071,053 $735.3M Add +1.7%
JPM JPMorgan Chase & Co. 1.88% 2,329,745 $675.4M Add +0.5%
IDXX Idexx Laboratories Inc. 1.61% 1,080,505 $579.5M Reduce -0.9%
MA Mastercard Inc. Class A 1.57% 1,007,323 $566.1M Reduce -1.3%
GOOG Alphabet Inc. Class C 1.57% 3,180,029 $564.1M Reduce -1.1%
COST Costco Wholesale Corp. 1.52% 551,986 $546.4M Add +0.6%
SPY SS SPDR S&P 500 ETF Trust-US 1.48% 859,665 $531.1M Add +0.6%
GOOGL Alphabet Inc. Class A 1.24% 2,525,136 $445.0M Reduce -2.3%
META Meta Platforms Inc. Class A 1.18% 576,598 $425.6M Add +4.6%
UBER Uber Technologies Inc. 1.12% 4,324,033 $403.4M Add +1.8%
PGR Progressive Corp. 1.12% 1,505,421 $401.7M Reduce -1.2%
VEEV Veeva Systems Inc. Class A 1.03% 1,284,962 $370.0M Reduce -1.1%
SYK Stryker Corp. 1.02% 924,257 $365.7M Reduce -0.2%
FISV Fiserv Inc. 1.01% 2,107,519 $363.4M Add +5.9%
WSO Watsco Inc. 0.99% 806,656 $356.2M Reduce -1.0%
NOW ServiceNow Inc. 0.94% 327,788 $337.0M Add +0.5%
GEV GE Vernova Inc. 0.93% 632,806 $334.8M Add +79.2%
ICE Intercontinental Exchange Inc. 0.89% 1,752,889 $321.6M Reduce -1.2%
APH Amphenol Corp. Class A 0.82% 2,971,448 $293.4M Reduce -1.9%
FAST Fastenal Co. 0.80% 6,822,973 $286.6M Add +3.6%
HD Home Depot Inc. 0.77% 759,360 $278.4M Reduce -0.3%
GWRE Guidewire Software Inc. 0.77% 1,174,625 $276.6M Reduce -0.5%
DHR Danaher Corp. 0.75% 1,375,724 $271.8M Reduce -4.7%
IVV iShares Core S&P 500 ETF 0.75% 436,143 $270.8M Add +4.5%
TDG Transdigm Group Inc. 0.73% 172,953 $263.0M Reduce -1.3%
AVGO Broadcom Inc. 0.72% 934,447 $257.6M Add +8.0%
WDAY Workday Inc. Class A 0.71% 1,067,119 $256.1M Reduce -3.9%
ZTS Zoetis Inc. 0.71% 1,631,871 $254.5M Reduce -13.8%
ISRG Intuitive Surgical Inc. 0.70% 466,023 $253.2M Reduce -1.6%
TYL Tyler Technologies Inc. 0.70% 424,768 $251.8M Add +0.9%
CPRT Copart Inc. 0.69% 5,082,291 $249.4M Reduce -1.4%
WMT Walmart Inc. 0.66% 2,435,014 $238.1M Reduce -0.4%
LLY Eli Lilly & Co. 0.66% 304,467 $237.3M Reduce -8.2%
PANW Palo Alto Networks Inc. 0.66% 1,157,886 $236.9M Reduce -1.8%
ABBV Abbvie Inc. 0.65% 1,257,412 $233.4M Add +1.1%
CSGP Costar Group Inc. 0.64% 2,871,162 $230.8M Reduce -1.1%
CTAS Cintas Corp. 0.63% 1,014,575 $226.1M Add +1.6%
ADBE Adobe Inc. 0.61% 565,371 $218.7M Reduce -6.4%
ABT Abbott Laboratories 0.61% 1,603,305 $218.1M Add +1.5%
ECL Ecolab Inc. 0.60% 805,156 $216.9M Reduce -1.1%
AXP American Express Co. 0.60% 678,570 $216.5M Reduce -1.6%
BRK.B Berkshire Hathaway Inc. Class B 0.60% 442,597 $215.0M Add +5.2%
BX Blackstone Inc. 0.56% 1,355,932 $202.8M Add +0.7%
AON Aon PLC Class A 0.56% 567,987 $202.6M Add +2.4%
NFLX Netflix Inc. 0.56% 150,255 $201.2M Add +9.3%
INTU Intuit Inc. 0.56% 255,338 $201.1M Reduce -0.1%
DXCM Dexcom Inc. 0.54% 2,208,044 $192.7M Reduce -1.4%
RYAN Ryan Specialty Holdings Inc. 0.53% 2,814,195 $191.3M Add +1.1%
P Everpure Inc. Class A filed as PURE STORAGE INC 0.50% 3,124,542 $179.9M Reduce -11.8%
CRM Salesforce Inc. 0.50% 655,587 $178.8M Reduce -3.6%
ACN Accenture PLC Class A 0.49% 587,570 $175.6M Reduce -18.6%
VOO Vanguard S&P 500 ETF 0.48% 303,780 $172.6M Add +4.3%
AMT American Tower Corp. 0.47% 773,174 $170.9M Reduce -0.5%
VEA Vanguard Ftse Developed ETF 0.47% 2,956,837 $168.6M Reduce -0.5%
AAON Aaon Inc. 0.47% 2,280,070 $168.2M Add +4.7%
PG The Procter & Gamble Co. 0.43% 980,263 $156.2M Reduce -1.0%
QQQ Invesco QQQ Trust Series 1 0.41% 270,387 $149.2M Add +5.4%
VTV Vanguard Mrngstr Val ETF-Aui 0.40% 823,862 $145.6M Add +7.6%
JNJ Johnson & Johnson 0.40% 952,857 $145.5M Reduce -0.5%
BWXT BWX Technologies Inc. 0.40% 1,003,607 $144.6M Add +28.2%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.39% 475,623 $140.2M Add +3.2%
VEU Vanguard Ftse All-World Ex-U 0.38% 2,055,577 $138.2M Add +2.7%
BA The Boeing Co. 0.38% 658,055 $137.9M Add +37.7%
VIG Vanguard Dividend Apprec ETF 0.36% 635,523 $130.1M Reduce -1.0%
CMG Chipotle Mexican Grill Inc. 0.36% 2,311,580 $129.8M Reduce -5.5%
AME Ametek Inc. 0.35% 689,860 $124.8M Reduce -2.2%
ROL Rollins Inc. 0.34% 2,170,212 $122.4M Reduce -0.1%
POOL Pool Corp. 0.33% 409,738 $119.4M Reduce -20.8%
VRSK Verisk Analytics Inc. 0.33% 383,297 $119.4M Reduce -0.1%
ANET Arista Networks Inc. 0.33% 1,157,382 $118.4M Add +12.2%
UNP Union Pacific Corp. 0.32% 497,859 $114.5M Reduce -3.8%
IRTC Irhythm Holdings Inc. 0.32% 739,331 $113.8M Reduce -6.4%
ORCL Oracle Corp. 0.32% 519,237 $113.5M Add +3.9%
LIN Linde PLC 0.31% 239,971 $112.6M Reduce -0.8%
KO The Coca-Cola Co. 0.30% 1,549,871 $109.7M Add +0.1%
SPGI S&P Global Inc. 0.30% 205,995 $108.6M Add +0.1%
IWM iShares Russell 2000 ETF 0.30% 493,580 $106.5M Reduce -4.8%
LYV Live Nation Entertainment Inc. 0.30% 702,111 $106.2M Reduce -3.4%
GS Goldman Sachs Group Inc. 0.29% 150,016 $106.2M Reduce -5.3%
IWF iShares Russell 1000 Growth 0.29% 249,093 $105.8M Add +12.9%
XOM Exxon Mobil Corp. 0.29% 971,001 $104.7M Add +1.2%
ITW Illinois Tool Works 0.29% 421,557 $104.2M Reduce -5.2%
SBUX Starbucks Corp. 0.28% 1,093,892 $100.2M Reduce -10.3%
MCD McDonald's Corp. 0.28% 342,182 $100.0M Add +0.3%
IUSV iShares Core S&P U.S. Value 0.28% 1,049,440 $99.3M Reduce -7.8%
ORLY O'reilly Automotive Inc. 0.27% 1,079,612 $97.3M Reduce -1.5%
CVX Chevron Corp. 0.26% 652,914 $93.5M Reduce -0.5%
WM Waste Management Inc. 0.26% 403,716 $92.4M Add +32.9%
ROK Rockwell Automation Inc. 0.26% 276,929 $92.0M Reduce -4.3%
TSLA Tesla Inc. 0.25% 283,552 $90.1M Add +10.9%
CRWD CrowdStrike Holdings Inc. Class A 0.25% 174,803 $89.0M Add +9.6%
CWAN Clearwater Analytics HDS-A 0.24% 3,888,661 $85.3M Add +53.4%
VUG Vanguard Mrngstar GR ETF-Sui 0.23% 189,300 $83.0M Reduce -1.2%
RBA RB Global Inc. 0.23% 778,279 $82.6M Reduce -3.6%
VTI VG Morningstar TS MKT ETF-US 0.23% 270,338 $82.2M Add +2.2%
GD General Dynamics Corp. 0.23% 279,576 $81.5M Reduce -3.8%

Show all 1,804 holdings

Other holdings (20): bonds, preferreds, convertibles and warrants · $3.8M (not counted above)
SecurityClassShares / PrincipalValueChange
CORZW Core Scientific Inc. - 27 *W EXP 01/23/202 114,509$1.2MNo change
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A 800$939KAdd +133.9%
TELADOC HEALTH INC (TDOC 1.25 06/01/27) NOTE 1.250% 6/0 · principal 525,000$483KNo change
EVOLENT HEALTH INC (EVH 1.5 10/15/25) NOTE 1.500%10/1 · principal 365,000$360KNo change
BANK OF AMERICA CORP (BAC 7.25 PERP L) 7.25%CNV PFD L 268$325KNo change
LENDINGTREE INC (TREE 0.5 07/15/25) NOTE 0.500% 7/1 · principal 125,000$123KNo change
WAYFAIR INC (W 0.625 10/01/25) NOTE 0.625%10/0 · principal 99,000$97KNo change
PELOTON INTERACTIVE INC (PTON 0 02/15/26) NOTE 2/1 · principal 100,000$96KNo change
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A 562$38KNo change
NRG ENERGY INC (NRG 2.75 06/01/48) DBCV 2.750% 6/0 · principal 6,000$24KNo change
DISH NETWORK CORP (DISH 3.375 08/15/26) NOTE 3.375% 8/1 · principal 25,000$21KNo change
HTZWW Hertz Global Hldgs Inc. -CW51 *W EXP 06/30/205 5,602$20KNo change
HOLLEY INC *W EXP 11/30/202 401,489$20KNo change
OXY.WS Occidental Petroleum-CW27 *W EXP 08/03/202 816$17KReduce -0.2%
ALBEMARLE CORP (ALB 7.25 03/01/27) 7.25% DEP SHS A 300$10KNo change
GCMGW GCM Grosvenor Inc. A -CW25 *W EXP 11/17/202 7,895$5KReduce -6.0%
SEATW Vivid Seats Inc. -CW26 *W EXP 10/18/202 22,000$3KNo change
CORZZ Core Scientific Inc. - 29 *W EXP 01/23/202 121$2KNo change
ISPOW Inspirato -CW30 *W EXP 02/11/202 15,000$138No change
PIIIW P3 Health Partne -CW27 *W EXP 11/19/202 7,765$87New

Total filed on the 13F, all lines: $36.0B.

Portfolio Sells Q1 2025 → Q2 2025

AAPL Apple Inc. Reduce -2.4% 3.43% −0.70
UNH Unitedhealth Group Inc. Reduce -28.1% 0.21% −0.32
WSO Watsco Inc. Reduce -1.0% 0.99% −0.26
ZTS Zoetis Inc. Reduce -13.8% 0.71% −0.23
XYZ Block Inc. Reduce -80.2% 0.06% −0.22
ACN Accenture PLC Class A Reduce -18.6% 0.49% −0.19
CPRT Copart Inc. Reduce -1.4% 0.69% −0.19
PGR Progressive Corp. Reduce -1.2% 1.12% −0.18
LLY Eli Lilly & Co. Reduce -8.2% 0.66% −0.17
POOL Pool Corp. Reduce -20.8% 0.33% −0.17
DHR Danaher Corp. Reduce -4.7% 0.75% −0.14
IJH iShares Core S&P Midcap ETF Reduce -50.5% 0.12% −0.12
MA Mastercard Inc. Class A Reduce -1.3% 1.57% −0.12
QCOM Qualcomm Inc. Reduce -32.6% 0.19% −0.11
GNRC Generac Holdings Inc. Reduce -52.9% 0.09% −0.09
MZTI The Marzetti Company Reduce -97.3% 0.00% −0.09
ADBE Adobe Inc. Reduce -6.4% 0.61% −0.09
SBUX Starbucks Corp. Reduce -10.3% 0.28% −0.08
NOVT Novanta Inc. Reduce -40.8% 0.09% −0.08
PG The Procter & Gamble Co. Reduce -1.0% 0.43% −0.08
JNJ Johnson & Johnson Reduce -0.5% 0.40% −0.07
CVX Chevron Corp. Reduce -0.5% 0.26% −0.07
WDAY Workday Inc. Class A Reduce -3.9% 0.71% −0.07
HD Home Depot Inc. Reduce -0.3% 0.77% −0.07
BMY Bristol-Myers Squibb Co. Reduce -32.6% 0.06% −0.07
MRK Merck & Co. Inc. Reduce -7.3% 0.19% −0.06
TMO Thermo Fisher Scientific Inc. Reduce -3.7% 0.15% −0.06
CRM Salesforce Inc. Reduce -3.6% 0.50% −0.05
CSGP Costar Group Inc. Reduce -1.1% 0.64% −0.05
UNP Union Pacific Corp. Reduce -3.8% 0.32% −0.05
PEP Pepsico Inc. Reduce -2.4% 0.19% −0.05
PFE Pfizer Inc. Reduce -18.9% 0.13% −0.05
ORLY O'reilly Automotive Inc. Reduce -1.5% 0.27% −0.05
ITW Illinois Tool Works Reduce -5.2% 0.29% −0.04
LULU Lululemon Athletica Inc. Reduce -9.7% 0.10% −0.04
IUSV iShares Core S&P U.S. Value Reduce -7.8% 0.28% −0.04
MSI Motorola Solutions Inc. Reduce -4.1% 0.22% −0.04
CODI Compass Diversified Holdings Reduce -92.2% 0.00% −0.04
BAH Booz Allen Hamilton Holdings Reduce -50.0% 0.03% −0.04
AMT American Tower Corp. Reduce -0.5% 0.47% −0.04
NEOG Neogen Corp. Reduce -67.1% 0.01% −0.03
KMX Carmax Inc. Reduce -14.1% 0.07% −0.03
ALL Allstate Corp. Reduce -3.6% 0.21% −0.03
TREX Trex Company Inc. Reduce -16.7% 0.09% −0.03
LOW Lowe's Cos Inc. Reduce -2.8% 0.19% −0.03
ICE Intercontinental Exchange Inc. Reduce -1.2% 0.89% −0.03
GLD SPDR Gold Shares Reduce -17.3% 0.12% −0.03
LIN Linde PLC Reduce -0.8% 0.31% −0.03
UPS United Parcel Service Class B Reduce -33.0% 0.03% −0.03
MDB Mongodb Inc. Reduce -19.2% 0.21% −0.03

Portfolio Buys Q1 2025 → Q2 2025

NVDA Nvidia Corp. Add +4.1% 2.46% +0.70
GEV GE Vernova Inc. Add +79.2% 0.93% +0.60
AVGO Broadcom Inc. Add +8.0% 0.72% +0.28
META Meta Platforms Inc. Class A Add +4.6% 1.18% +0.22
UBER Uber Technologies Inc. Add +1.8% 1.12% +0.19
NFLX Netflix Inc. Add +9.3% 0.56% +0.17
BWXT BWX Technologies Inc. Add +28.2% 0.40% +0.17
JPM JPMorgan Chase & Co. Add +0.5% 1.88% +0.16
NOW ServiceNow Inc. Add +0.5% 0.94% +0.15
BA The Boeing Co. Add +37.7% 0.38% +0.14
ORCL Oracle Corp. Add +3.9% 0.32% +0.10
NET Cloudflare Inc. Class A Add +875.7% 0.11% +0.10
COIN Coinbase Global Inc. Class A Add +209.8% 0.12% +0.10
ANET Arista Networks Inc. Add +12.2% 0.33% +0.09
AXON Axon Enterprise Inc. Add +7.9% 0.22% +0.08
CRWD CrowdStrike Holdings Inc. Class A Add +9.6% 0.25% +0.08
APP AppLovin Corp. Class A Add +58.6% 0.15% +0.07
AFRM Affirm Holdings Inc. New 0.06% +0.06
CW Curtiss-Wright Corp. Add +3.5% 0.18% +0.06
IWF iShares Russell 1000 Growth Add +12.9% 0.29% +0.05
QQQ Invesco QQQ Trust Series 1 Add +5.4% 0.41% +0.05
TSLA Tesla Inc. Add +10.9% 0.25% +0.05
AVAV Aerovironment Inc. Add +72.1% 0.07% +0.05
CHDN Churchill Downs Inc. Add +3914.7% 0.05% +0.05
IVV iShares Core S&P 500 ETF Add +4.5% 0.75% +0.05
WM Waste Management Inc. Add +32.9% 0.26% +0.04
IBM Intl Business Machines Corp. Add +3.2% 0.39% +0.04
CHWY Chewy Inc. Class A Add +25.8% 0.13% +0.04
PLTR Palantir Technologies Inc. Class A Add +125.8% 0.06% +0.04
HOOD Robinhood Markets Inc. Class A New 0.04% +0.04
SG Sweetgreen Inc. Class A Add +891.1% 0.05% +0.04
COF Capital One Financial Corp. Add +66.8% 0.08% +0.04
SPY SS SPDR S&P 500 ETF Trust-US Add +0.6% 1.48% +0.03
CWAN Clearwater Analytics HDS-A Add +53.4% 0.24% +0.03
VOO Vanguard S&P 500 ETF Add +4.3% 0.48% +0.03
HEI Heico Corp. Add +1.6% 0.21% +0.03
ULS Ul Solutions Inc. Class A Add +2.0% 0.15% +0.03
FAST Fastenal Co. Add +3.6% 0.80% +0.03
FSV Firstservice Corp. Add +56.9% 0.07% +0.02
GE General Electric Add +1.2% 0.14% +0.02
XLK SS Technology Select Sector Add +32.5% 0.07% +0.02
ELF Elf Beauty Inc. Add +206.3% 0.03% +0.02
NDAQ Nasdaq Inc. Add +7.6% 0.14% +0.02
DGX Quest Diagnostics Inc. Add +73.3% 0.05% +0.02
MRVL Marvell Technology Inc. Add +0.5% 0.13% +0.02
CEG Constellation Energy Add +7.5% 0.05% +0.02
SHOP Shopify Inc. Class A Add +1.0% 0.16% +0.02
VEU Vanguard Ftse All-World Ex-U Add +2.7% 0.38% +0.02
SNEX Stonex Group Inc. Add +2007.3% 0.02% +0.02
DE Deere & Co. Add +9.6% 0.19% +0.02

Notes & Other Activity Q1 2025 → Q2 2025

WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A Add +133.9% 800 $939K
WOLF Wolfspeed Inc. (wolf 0.25 02/15/28) NOTE 0.250% 2/1 · principal Sold out 500,000 $119Kbefore exit
AVPTW Avepoint Inc.-CW24 *W EXP 09/18/202 Sold out 10,000 $42Kbefore exit
OXY.WS Occidental Petroleum-CW27 *W EXP 08/03/202 Reduce -0.2% 816 $17K
GCMGW GCM Grosvenor Inc. A -CW25 *W EXP 11/17/202 Reduce -6.0% 7,895 $5K
PIIIW P3 Health Partne -CW27 *W EXP 11/19/202 New 7,765 $87

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 1,957$38.4BAAPL, AMZN, MSFT, NVDA, GOOG
Q1 2026 1,876$34.9BAAPL, MSFT, AMZN, NVDA, GOOG
Q4 2025 1,845$37.3BMSFT, AAPL, AMZN, NVDA, GOOG
Q3 2025 1,828$37.6BMSFT, AAPL, AMZN, NVDA, GOOG
Q2 2025 1,804$36.0BMSFT, AMZN, AAPL, NVDA, V
Q1 2025 1,780$33.2BMSFT, AAPL, AMZN, V, NVDA
Q4 2024 1,792$34.4BMSFT, AAPL, AMZN, NVDA, V
Q3 2024 1,797$34.0BMSFT, AAPL, AMZN, V, IDXX
Q2 2024 1,781$32.4BMSFT, AAPL, AMZN, GOOG, V
Q1 2024 1,765$31.8BMSFT, AMZN, AAPL, IDXX, DXCM