BLAIR WILLIAM & CO/IL
Follow13F filer, CIK 902367, CHICAGO, IL
BLAIR WILLIAM & CO/IL reported $37,259,505,965 across 1,867 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17. Its ten largest share positions make up 27.41% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-26-015563
- Period
- 2025-12-31
- Reported value
- $37.3B
- Holdings
- 1,867
- Top 10 weight
- 27.41%
- New
- 124
- Sold out
- 101
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| NOWadded | +1,815,759 | $278M |
| NFLXadded | +1,346,463 | $126M |
| BWXTadded | +248,598 | $43M |
| METAadded | +57,345 | $37.9M |
| VEUadded | +445,170 | $32.7M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| FISVreduced | -1,366,438 | -$91.8M |
| CWANreduced | -3,761,687 | -$90.7M |
| CSGPreduced | -1,104,950 | -$74.3M |
| ZTSreduced | -393,192 | -$49.5M |
| POOLreduced | -207,737 | -$47.5M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Back to all 1,864 share positions
Principal amounts
Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| TELADOC HEALTH INCTELADOC HEALTH INC NOTE 1.250% 6/0 | principal | 525,000 | $499K | 0 |
| PELOTON INTERACTIVE INCPELOTON INTERACTIVE INC NOTE 2/1 | principal | 100,000 | $98.5K | 0 |
| DISH NETWORK CORPORATIONDISH NETWORK CORPORATION NOTE 3.375% 8/1 | principal | 25,000 | $24.1K | 0 |
Sold out in Q4 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| SAPSAP SE | 34,403 | $9.19M | shares |
| UNILEVER PLCUNILEVER PLC | 105,244 | $6.24M | shares |
| TOTALENERGIES SE -SPON ADRTOTALENERGIES SE -SPON ADR | 80,692 | $4.82M | shares |
| SGSWEETGREEN INC | 551,522 | $4.4M | shares |
| LNWOLIGHT & WONDER INC | 20,296 | $1.7M | shares |
| DVDOUBLEVERIFY HLDGS INC | 72,071 | $863K | shares |
| SKWDSKYWARD SPECIALTY INS GROUP | 16,187 | $770K | shares |
| KKELLANOVA | 8,961 | $735K | shares |
| WDSWOODSIDE ENERGY GROUP LTD | 35,640 | $536K | shares |
| MTDRMATADOR RES CO | 11,359 | $510K | shares |
| KRROKORRO BIO INC | 9,750 | $467K | shares |
| MYRGMYR GROUP INC | 2,031 | $423K | shares |
| TILRAY INCTILRAY INC | 240,723 | $416K | shares |
| MIND MEDICINE MINDMED INCMIND MEDICINE MINDMED INC | 31,905 | $376K | shares |
| CNNECANNAE HLDGS INC | 20,509 | $376K | shares |
| SLABSILICON LABORATORIES INC | 2,850 | $374K | shares |
| SCSSTEELCASE INC-CLASS A | 21,659 | $373K | shares |
| CNPCENTERPOINT ENERGY INC | 9,542 | $370K | shares |
| EVOLENT HEALTH INCEVOLENT HEALTH INC | 365,000 | $362K | principal |
| DAYDAYFORCE INC | 5,235 | $361K | shares |
| OLEDUNIVERSAL DISPLAY CORP | 2,482 | $356K | shares |
| RYNRAYONIER INC | 13,116 | $348K | shares |
| HUBSHUBSPOT INC | 715 | $334K | shares |
| MZTIMARZETTI COMPANY | 1,913 | $331K | shares |
| SMFGSUMITOMO MITSUI FIN GRP INC | 19,001 | $318K | shares |
| GPNGLOBAL PMTS INC | 3,779 | $314K | shares |
| SNVSYNOVUS FINANCIAL CORP | 6,266 | $308K | shares |
| AITAPPLIED INDL TECHNOLOGIES IN | 1,163 | $304K | shares |
| EQHEQUITABLE HLDGS INC | 5,937 | $301K | shares |
| MKTXMARKETAXESS HLDGS INC | 1,687 | $294K | shares |
| GLOBGLOBANT S A | 5,033 | $289K | shares |
| ONON SEMICONDUCTOR CORP | 5,763 | $284K | shares |
| MRC GLOBAL INCMRC GLOBAL INC | 19,512 | $281K | shares |
| GMEGAMESTOP CORP | 10,311 | $281K | shares |
| STNGSCORPIO TANKERS INC | 5,000 | $280K | shares |
| ALVAUTOLIV INC | 2,182 | $270K | shares |
| RGENREPLIGEN CORP | 1,992 | $266K | shares |
| ALMSALUMIS INC | 66,719 | $266K | shares |
| RPRXROYALTY PHARMA PLC | 7,263 | $256K | shares |
| PTRNPATTERN GROUP INC | 18,500 | $253K | shares |
| SWKSSKYWORKS SOLUTIONS INC | 3,290 | $253K | shares |
| NICENICE LTD | 1,742 | $252K | shares |
| CNCCENTENE CORP DEL | 7,038 | $251K | shares |
| HSTHOST HOTELS & RESORTS INC | 14,478 | $246K | shares |
| PRMBPRIMO BRANDS CORPORATION | 10,968 | $242K | shares |
| FLUTFLUTTER ENTMT PLC | 918 | $233K | shares |
| SMRNUSCALE PWR CORP | 6,378 | $230K | shares |
| SRADSPORTRADAR GROUP AG | 8,425 | $227K | shares |
| CSLCARLISLE COS INC | 687 | $226K | shares |
| APTVAPTIV PLC | 2,617 | $226K | shares |
| RGTIRIGETTI COMPUTING INC | 7,449 | $222K | shares |
| VOYAVOYA FINANCIAL INC | 2,964 | $222K | shares |
| BXCBLUELINX HLDGS INC | 3,000 | $219K | shares |
| SYLDCAMBRIA ETF TR | 3,172 | $218K | shares |
| BMRNBIOMARIN PHARMACEUTICAL INC | 3,957 | $214K | shares |
| DPZDOMINOS PIZZA INC | 494 | $213K | shares |
| CUBECUBESMART | 5,203 | $212K | shares |
| BOHBANK OF HI CORP | 3,209 | $211K | shares |
| EXREXTRA SPACE STORAGE INC | 1,485 | $209K | shares |
| IESCIES HOLDINGS INC | 525 | $209K | shares |
| LPXLOUISIANA PAC CORP | 2,312 | $205K | shares |
| WMGWARNER MUSIC GROUP CORP | 6,017 | $205K | shares |
| MERUS N VMERUS N V | 2,151 | $203K | shares |
| SSDSIMPSON MFG INC | 1,208 | $202K | shares |
| CHTRCHARTER COMMUNICATIONS INC | 731 | $201K | shares |
| UUPINVESCO DB US DLR INDEX TR | 7,290 | $201K | shares |
| FDUSFIDUS INVT CORP | 9,883 | $200K | shares |
| GNTXGENTEX CORP | 7,070 | $200K | shares |
| ECATBLACKROCK ESG CAP ALLC TERM | 11,871 | $195K | shares |
| CDROCODERE ONLINE LUXEMBOURG S A | 26,942 | $186K | shares |
| GOGROCERY OUTLET HLDG CORP | 10,000 | $160K | shares |
| IMCVISHARES TR | 1,944 | $156K | shares |
| MBLYMOBILEYE GLOBAL INC | 10,533 | $149K | shares |
| BCSFBAIN CAP SPECIALTY FIN INC | 10,339 | $147K | shares |
| AGFIRST MAJESTIC SILVER CORP | 11,575 | $142K | shares |
| RITMRITHM CAPITAL CORP | 11,954 | $136K | shares |
| SVCOSILVACO GROUP INC | 24,000 | $130K | shares |
| BLZEBACKBLAZE INC | 13,194 | $122K | shares |
| LLYVKLIBERTY MEDIA CORP DEL | 795 | $77.1K | shares |
| EWJVISHARES TR | 1,750 | $68.3K | shares |
| LYGLLOYDS BANKING GROUP PLC | 13,154 | $59.7K | shares |
| SAFETY SHOT INCSAFETY SHOT INC | 205,488 | $55.1K | shares |
| GCTSGCT SEMICONDUCTOR HLDG INC | 30,854 | $46.9K | shares |
| VTGNVISTAGEN THERAPEUTICS INC | 12,573 | $44.6K | shares |
| SDSPROSHARES TR | 2,500 | $36.1K | shares |
| RNTXREIN THERAPEUTICS INC | 23,393 | $26.8K | shares |
| LGLVSPDR SERIES TRUST | 147 | $26.2K | shares |
| GLDGGOLDMINING INC | 20,000 | $24.6K | shares |
| IBTIISHARES TR | 1,082 | $24.2K | shares |
| LLYVALIBERTY MEDIA CORP | 169 | $15.9K | shares |
| FSIGFIRST TR EXCHANGE-TRADED FD | 694 | $13.3K | shares |
| REZISHARES TR | 151 | $12.8K | shares |
| IPACISHARES TR | 139 | $10.2K | shares |
| MXIISHARES TR | 100 | $9.25K | shares |
| SGMOQSANGAMO THERAPEUTICS INC | 10,000 | $6.73K | shares |
| SQQQProShares UltraPro Short QQQ | 400 | $6.09K | shares |
| TBTPROSHARES TR | 150 | $5.07K | shares |
| HYLSFIRST TR EXCHANGE-TRADED FD | 96 | $4.04K | shares |
| BWXSPDR SERIES TRUST | 143 | $3.29K | shares |
| PSRINVESCO ACTIVELY MANAGED EXC | 4 | $371 | shares |
| DXDPROSHARES TR | 12 | $264 | shares |
How Q4 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001104659-26-015563 | base | 2026-02-17 | acceptance time not in the bulk data set |