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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Period ended Jun 30, 2026 · Latest filing Aug 3, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Sep 30, 2024: $334,822,179,920
  • Dec 31, 2024: $316,871,957,951
  • Mar 31, 2025: $300,806,701,806
  • Jun 30, 2025: $315,084,349,169
  • Sep 30, 2025: $322,797,408,486
  • Dec 31, 2025: $310,120,832,326
  • Mar 31, 2026: $297,515,992,264
  • Jun 30, 2026: $315,170,492,568

Top holdings

Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. NVIDIA CORPORATION · COM · 67066G104 · shares: $13,660,451,307
  2. ALPHABET INC · CAP STK CL A · 02079K305 · shares: $10,524,433,101
  3. APPLE INC · COM · 037833100 · shares: $8,929,188,117
  4. AMAZON COM INC · COM · 023135106 · shares: $8,849,366,281
  5. MICROSOFT CORP · COM · 594918104 · shares: $8,756,244,370
  6. BROADCOM INC · COM · 11135F101 · shares: $5,459,679,444
  7. TAIWAN SEMICONDUCTOR MANUFAC · SPONSORED ADS · 874039100 · shares: $4,728,671,524
  8. KLA CORP · COM NEW · 482480100 · shares: $4,473,694,536
  9. JPMORGAN CHASE & CO · COM · 46625H100 · shares: $4,026,741,252
  10. LINDE PLC · SHS · G54950103 · shares: $3,254,734,640

Reported holdings

4,175 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
ALPHABET INCCAP STK CL A02079K305 — 872,364 shares $311,756,747
GFL ENVIRONMENTAL INCSUB VTG SHS36168Q104 — 8,428,438 shares $310,082,037
ALPHABET INCCAP STK CL C02079K107 — 876,260 shares $309,608,946
DATADOG INCCL A COM23804L103 — 1,164,331 shares $303,145,219
INGERSOLL RAND INCCOM45687V106 — 3,683,692 shares $302,025,907
CAMECO CORPCOM13321L108 — 2,959,060 shares $301,409,853
APTIV PLCCOM SHSG3265R107 — 4,863,135 shares $298,499,226
FRANCO NEV CORPCOM351858105 — 1,428,418 shares $297,959,691
CLOUDFLARE INCCL A COM18915M107 — 1,195,945 shares $293,341,390
AGCO CORPCOM001084102 — 2,426,817 shares $290,489,995
VENTAS INCCOM92276F100 — 3,257,185 shares $289,238,028
JOHNSON & JOHNSONCOM478160104 — 1,138,077 shares $289,037,417
WABTECCOM929740108 — 1,064,423 shares $286,968,441
VERISK ANALYTICS INCCOM92345Y106 — 1,595,486 shares $286,437,602
WILLIAMS COS INCCOM969457100 — 3,809,143 shares $283,171,691
HARTFORD INSURANCE GROUP INCCOM416515104 — 2,128,930 shares $282,125,804
EQUINIX INCCOM29444U700 — 264,317 shares $275,521,398
PINNACLE WEST CAP CORPCOM723484101 — 2,570,849 shares $275,080,843
REVOLUTION MEDICINES INCCOM76155X100 — 1,463,763 shares $274,133,535
LEAR CORPCOM NEW521865204 — 232,216 shares $272,075,396
BRUNSWICK CORPCOM117043109 — 3,194,949 shares $269,142,504
MICROSOFT CORPCOM594918104 — 752,282 shares $269,120,376
AGNICO EAGLE MINES LTDCOM008474108 — 1,728,369 shares $268,462,307
FLEX LTDORDY2573F102 — 1,633,768 shares $264,784,780
AMETEK INCCOM031100100 — 1,092,093 shares $264,220,980
TERADYNE INCCOM880770102 — 544,594 shares $263,496,361
MICROSOFT CORPCOM594918104 — 654,680 shares $263,458,349
UBS GROUP AGSHSH42097107 — 3,737,313 shares $262,819,311
QUANTA SVCS INCCOM74762E102 — 364,883 shares $262,730,355
EDISON INTLCOM281020107 — 3,512,371 shares $261,496,021
EXXON MOBIL CORPCOM30231G102 — 1,911,901 shares $261,395,048
AON PLCSHS CL AG0403H108 — 781,953 shares $259,365,856
SHOPIFY INCCL A SUB VTG SHS82509L107 — 1,592,359 shares $258,336,104
RB GLOBAL INCCOM74935Q107 — 2,175,856 shares $253,230,978
ALLEGION PLCORD SHSG0176J109 — 1,801,516 shares $253,094,983
JABIL INCCOM466313103 — 651,115 shares $250,991,810
CARLYLE GROUP INCCOM14316J108 — 5,950,326 shares $250,568,228
KLA CORPCOM NEW482480100 — 828,551 shares $249,982,122
US FOODS HLDG CORPCOM912008109 — 2,443,122 shares $249,809,225
L3HARRIS TECHNOLOGIES INCCOM502431109 — 849,619 shares $246,890,785
CIENA CORPCOM NEW171779309 — 500,506 shares $245,528,223
ICON PUB LTD COSHSG4705A100 — 1,409,196 shares $244,791,437
AGNICO EAGLE MINES LTDCOM008474108 — 1,106,541 shares $243,837,375
PERMIAN RESOURCES CORPCLASS A COM71424F105 — 13,235,600 shares $243,667,396
BURLINGTON STORES INCCOM122017106 — 769,140 shares $243,663,552
TARGA RES CORPCOM87612G101 — 900,536 shares $241,469,723
RAYMOND JAMES FINL INCCOM754730109 — 1,586,230 shares $241,154,547
CONSTELLATION ENERGY CORPCOM21037T109 — 967,638 shares $240,332,250
CHUBB LIMITEDCOMH1467J104 — 704,341 shares $239,997,205
WP CAREY INCCOM92936U109 — 3,345,416 shares $239,197,244
CENOVUS ENERGY INCCOM15135U109 — 1,405,322 shares $239,074,617
CME GROUP INCCOM12572Q105 — 1,080,718 shares $238,654,956
ROBINHOOD MKTS INCCOM CL A770700102 — 2,374,503 shares $238,115,161
ATMOS ENERGY CORPCOM049560105 — 1,381,302 shares $237,956,896
CONOCOPHILLIPSCOM20825C104 — 2,285,002 shares $237,548,790
AUTODESK INCCOM052769106 — 1,217,298 shares $236,667,077
MASTERCARD INCORPORATEDCL A57636Q104 — 327,602 shares $234,437,055
UBS GROUP AGSHSH42097107 — 4,726,743 shares $234,348,174
ILLUMINA INCCOM452327109 — 1,330,356 shares $233,916,495
TECK RESOURCES LTDCL B878742204 — 3,923,776 shares $233,696,610
NXP SEMICONDUCTORS N VCOMN6596X109 — 827,336 shares $232,506,130
M & T BK CORPCOM55261F104 — 970,902 shares $231,084,385
PENTAIR PLCSHSG7S00T104 — 3,001,977 shares $230,131,557
OTIS WORLDWIDE CORPCOM68902V107 — 3,213,093 shares $230,057,459
LINDE PLCSHSG54950103 — 437,661 shares $227,119,799
COLGATE PALMOLIVE COCOM194162103 — 2,443,967 shares $224,062,895
FLUTTER ENTMT PLCSHSG3643J108 — 2,167,475 shares $221,450,921
ENBRIDGE INCCOM29250N105 — 2,874,338 shares $221,065,336
JFROG LTDORD SHSM6191J100 — 2,409,902 shares $219,011,894
EMCOR GROUP INCCOM29084Q100 — 263,365 shares $218,561,346
CHURCH & DWIGHT CO INCCOM171340102 — 2,254,154 shares $218,382,440
FRANCO NEV CORPCOM351858105 — 734,470 shares $217,351,707
EXTRA SPACE STORAGE INCCOM30225T102 — 1,464,763 shares $212,830,064
ASSURANT INCCOM04621X108 — 791,245 shares $212,473,020
JPMORGAN CHASE & COCOM46625H100 — 647,114 shares $211,819,826
PULTE GROUP INCCOM745867101 — 1,542,950 shares $211,708,170
AMPHENOL CORPCL A032095101 — 862,029 shares $211,077,811
ACCENTURE PLC IRELANDSHS CLASS AG1151C101 — 1,693,700 shares $210,764,028
BECTON DICKINSON & COCOM075887109 — 1,386,013 shares $206,873,510
GUIDEWIRE SOFTWARE INCCOM40171V100 — 1,679,520 shares $206,664,936
DELTA AIR LINES INCCOM NEW247361702 — 2,205,461 shares $206,563,477
MCKESSON CORPCOM58155Q103 — 272,922 shares $206,219,490
MEDTRONIC PLCSHSG5960L103 — 2,681,466 shares $205,341,567
DIAMONDBACK ENERGY INCCOM25278X109 — 1,166,502 shares $205,047,722
RYANAIR HOLDINGS PLCSPONSORED ADR783513203 — 3,167,219 shares $204,969,920
ARES MANAGEMENT CORPORATIONCL A COM STK03990B101 — 1,836,337 shares $204,402,671
VISA INCCOM CL A92826C839 — 428,469 shares $203,610,198
BJS WHSL CLUB HLDGS INCCOM05550J101 — 2,319,440 shares $202,301,557
NVIDIA CORPORATIONCOM67066G104 — 875,373 shares $201,867,698
INTERNATIONAL FLAVORS&FRAGRACOM459506101 — 2,544,723 shares $201,592,956
CANADIAN PACIFIC KANSAS CITYCOM13646K108 — 1,634,437 shares $200,952,263
CENTERPOINT ENERGY INCCOM15189T107 — 4,534,365 shares $199,693,435
BWX TECHNOLOGIES INCCOM05605H100 — 1,025,137 shares $199,542,917
VICI PPTYS INCCOM925652109 — 7,511,132 shares $199,420,555
MASCO CORPCOM574599106 — 2,435,172 shares $198,149,946
JONES LANG LASALLE INCCOM48020Q107 — 631,360 shares $195,690,032
EXPAND ENERGY CORPORATIONCOM165167735 — 2,142,134 shares $195,341,199
RYANAIR HOLDINGS PLCSPONSORED ADR783513203 — 3,006,162 shares $194,648,990
ANALOG DEVICES INCCOM032654105 — 489,471 shares $194,403,147
FLOWSERVE CORPCOM34354P105 — 2,619,202 shares $194,240,020