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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)
RTX CORPORATIONCOM75513E101 — 1,023,605 shares $194,208,619
TE CONNECTIVITY PLCORD SHSG87052109 — 962,706 shares $194,091,157
EAST WEST BANCORP INCCOM27579R104 — 1,498,659 shares $193,461,890
ESSEX PPTY TR INCCOM297178105 — 662,378 shares $193,142,801
UNION PAC CORPCOM907818108 — 709,865 shares $193,083,200
HEXCEL CORP NEWCOM428291108 — 1,924,351 shares $192,550,561
DUKE ENERGY CORP NEWCOM NEW26441C204 — 1,519,057 shares $192,282,181
VOYA FINANCIAL INCCOM929089100 — 2,120,836 shares $191,999,283
PLAINS GP HLDGS L PLTD PARTNR INT A72651A207 — 7,868,784 shares $190,975,388
KLA CORPCOM NEW482480100 — 458,394 shares $190,579,801
JACOBS SOLUTIONS INCCOM46982L108 — 1,509,125 shares $190,149,750
POPULAR INCCOM NEW733174700 — 1,155,592 shares $189,725,095
RBC BEARINGS INCCOM75524B104 — 293,747 shares $189,190,693
FRANCO NEV CORPCOM351858105 — 904,350 shares $188,700,367
LINCOLN NATL CORP INDCOM534187109 — 5,323,560 shares $188,187,846
SUNCOR ENERGY INC NEWCOM867224107 — 2,458,020 shares $187,546,926
TYSON FOODS INCCL A902494103 — 3,250,690 shares $186,102,003
MORGAN STANLEYCOM NEW617446448 — 881,148 shares $184,195,268
EVEREST GROUP LTDCOMG3223R108 — 513,157 shares $183,315,075
HUNT J B TRANS SVCS INCCOM445658107 — 632,477 shares $183,057,818
PROLOGIS INC.COM74340W103 — 1,349,629 shares $182,834,218
UBS GROUP AGSHSH42097107 — 3,577,671 shares $182,810,964
DEXCOM INCCOM252131107 — 2,700,995 shares $181,912,013
MERCADOLIBRE INCCOM58733R102 — 107,106 shares $181,800,653
AON PLCSHS CL AG0403H108 — 391,500 shares $181,453,848
WATERS CORPCOM941848103 — 345,133 shares $181,159,972
PFIZER INCCOM717081103 — 7,475,491 shares $180,009,823
HEWLETT PACKARD ENTERPRISE CCOM42824C109 — 3,968,930 shares $179,038,432
SEAGATE TECHNOLOGY HLDNGS PLORD SHSG7997R103 — 185,224 shares $178,741,160
EQUITY LIFESTYLE PROPERTIESCOM29472R108 — 2,765,135 shares $178,212,951
NETEASE COM INCSPONSORED ADS64110W102 — 1,389,504 shares $178,051,043
VERTEX PHARMACEUTICALS INCCOM92532F100 — 355,886 shares $176,779,253
KIMBERLY-CLARK CORPCOM494368103 — 1,609,674 shares $176,693,959
REGIONS FINANCIAL CORP NEWCOM7591EP100 — 5,841,361 shares $176,409,102
NUCOR CORPCOM670346105 — 791,174 shares $176,234,009
REPLIGEN CORPCOM759916109 — 1,282,136 shares $174,934,636
AGNICO EAGLE MINES LTDCOM008474108 — 1,124,965 shares $174,790,966
ENTEGRIS INCCOM29362U104 — 964,181 shares $173,417,595
BOEING COCOM097023105 — 800,172 shares $173,213,312
PHILIP MORRIS INTL INCCOM718172109 — 956,816 shares $173,097,533
DTE ENERGY COCOM233331107 — 1,133,023 shares $172,638,715
WINGSTOP INCCOM974155103 — 993,395 shares $172,264,627
MID-AMER APT CMNTYS INCCOM59522J103 — 1,237,305 shares $171,911,157
PROGRESSIVE CORPCOM743315103 — 785,272 shares $171,542,709
TECK RESOURCES LTDCL B878742204 — 244,301 shares $171,542,228
VERTIV HOLDINGS COCOM CL A92537N108 — 512,258 shares $171,514,224
REXFORD INDL RLTY INCCOM76169C100 — 5,113,508 shares $171,302,518
AMEREN CORPCOM023608102 — 1,514,974 shares $171,252,661
BOSTON SCIENTIFIC CORPCOM101137107 — 4,042,830 shares $170,906,014
SCHWAB CHARLES CORPCOM808513105 — 1,685,601 shares $170,783,919
BRIXMOR PPTY GROUP INCCOM11120U105 — 5,416,254 shares $170,774,489
BROADCOM INCCOM11135F101 — 451,465 shares $170,540,904
EATON CORP PLCSHSG29183103 — 397,097 shares $169,210,856
AMAZON COM INCCOM023135106 — 624,202 shares $168,950,895
MODINE MFG COCOM607828100 — 629,733 shares $168,151,306
NORTHERN TR CORPCOM665859104 — 964,076 shares $167,594,972
ANTERO RESOURCES CORPCOM03674X106 — 4,753,626 shares $167,042,418
COLUMBIA BKG SYS INCCOM197236102 — 5,202,114 shares $166,727,754
MOHAWK INDS INCCOM608190104 — 1,372,291 shares $166,500,067
LEIDOS HOLDINGS INCCOM525327102 — 1,610,956 shares $165,880,139
THERMO FISHER SCIENTIFIC INCCOM883556102 — 237,158 shares $165,325,915
DOMINION ENERGY INCCOM25746U109 — 2,406,218 shares $164,320,620
BOEING CODEP CONV PFD A097023204 — 2,424,292 principal $163,154,852
BIRKENSTOCK HOLDING PLCCOM SHSM2029K104 — 3,790,388 shares $163,100,396
RB GLOBAL INCCOM74935Q107 — 1,395,615 shares $162,474,876
TAIWAN SEMICONDUCTOR MANUFACSPONSORED ADS874039100 — 339,931 shares $162,340,848
LKQ CORPCOM501889208 — 6,158,738 shares $162,159,572
MARRIOTT INTL INC NEWCL A571903202 — 437,569 shares $162,158,730
FIFTH THIRD BANCORPCOM316773100 — 2,864,149 shares $161,452,079
BROADCOM INCCOM11135F101 — 453,156 shares $160,830,478
ABBVIE INCCOM00287Y109 — 637,842 shares $160,506,639
CITIGROUP INCCOM NEW172967424 — 1,139,070 shares $159,424,241
INNIO NVORDINARY SHARESN52A8C105 — 4,029,070 shares $159,349,719
APPLE INCCOM037833100 — 593,408 shares $159,178,645
CENOVUS ENERGY INCCOM15135U109 — 4,503,800 shares $158,488,722
MYR GROUP INCCOM55405W104 — 316,025 shares $158,138,910
EQUITABLE HLDGS INCCOM29452E101 — 3,554,979 shares $155,992,479
BROOKFIELD CORPCL A LTD VT SH11271J107 — 2,577,087 shares $155,939,534
APPLE INCCOM037833100 — 579,465 shares $155,800,093
NASDAQ INCCOM631103108 — 1,962,550 shares $154,688,214
INTUITCOM461202103 — 591,740 shares $154,444,140
EASTMAN CHEM COCOM277432100 — 2,298,184 shares $153,932,364
JAMES HARDIE INDS PLCORD SHSG4253H101 — 5,872,374 shares $153,738,751
PERFORMANCE FOOD GROUP COCOM71377A103 — 1,375,074 shares $153,719,522
SEAGATE TECHNOLOGY HLDNGS PLORD SHSG7997R103 — 116,028 shares $153,632,665
META PLATFORMS INCCL A30303M102 — 199,218 shares $152,795,090
JOHNSON & JOHNSONCOM478160104 — 592,283 shares $150,422,114
NVENT ELEC PLCSHSG6700G107 — 886,150 shares $150,299,902
MEDTRONIC PLCSHSG5960L103 — 1,771,114 shares $150,239,757
AVERY DENNISON CORPCOM053611109 — 924,395 shares $150,075,528
GLOBAL PMTS INCCOM37940X102 — 2,063,379 shares $149,718,780
PROSPERITY BANCSHARES INCCOM743606105 — 2,046,844 shares $149,481,017
TORONTO DOMINION BK ONTCOM NEW891160509 — 1,227,201 shares $149,137,625
CHECK POINT SOFTWARE TECH LTORDM22465104 — 1,131,788 shares $148,750,897
IDEXX LABS INCCOM45168D104 — 280,180 shares $147,497,959
BIO-TECHNE CORPCOM09073M104 — 2,085,728 shares $147,356,683
SOUTHERN COCOM842587107 — 1,514,321 shares $144,935,663
SEAGATE TECHNOLOGY HLDNGS PLORD SHSG7997R103 — 149,416 shares $144,186,353
TORONTO DOMINION BK ONTCOM NEW891160509 — 1,184,605 shares $144,031,931
TYLER TECHNOLOGIES INCCOM902252105 — 490,118 shares $143,339,910