Institutions
MASSACHUSETTS FINANCIAL SERVICES CO /MA/

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

CIK

912938

Location

Boston, MA

Portfolio Value

Mega $278,888,369,724

Diversification

Diversified

Filing Date

Global Rank

#36 / 8,545 ▼ 2

Top Industry

Semiconductors 8.3%

3Y Alpha vs SPY

-6.5%

Period ended 2 months ago

Filed May 14, 2026 · 17d

52 quarters · since Jun 2013

Portfolio Concentration

920 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025

Top Position

4.1%

−0.2 pts

Top 5

14.6%

−0.8 pts

Top 10

20.7%

−0.7 pts

HHI

Diversified −5

Portfolio Trend

52 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026

Sector	% Portfolio	Value	Positions
Technology	22.2%	$62,043,202,283	141
Financial Services	18.7%	$52,043,765,387	115
Industrials	14.1%	$39,223,915,913	139
Healthcare	11.3%	$31,646,675,016	149
Consumer Cyclical	6.9%	$19,159,092,319	91
Utilities	5.7%	$15,765,317,729	46
Communication Services	5.3%	$14,862,546,500	34
Energy	5.0%	$13,962,608,638	50
Basic Materials	5.0%	$13,959,507,214	58
Consumer Defensive	3.1%	$8,774,897,839	44
Real Estate	2.6%	$7,385,891,664	52
Unclassified	0.0%	$60,949,222	1

Last Quarter's Activity

Export CSV

Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased

25 positions

Ticker	Company	Δ Shares	Shares	Value
GRAB	Grab Holdings Ltd	+7,722,285	15,200,503	$55,633,838
NEE	Nextera Energy Inc	+6,696,568	13,192,071	$1,225,279,551
TECK	Teck Resources Ltd	+4,693,089	5,922,775	$306,503,604
GGB	Gerdau S.A.	+3,886,219	5,213,285	$18,819,957
AAPL	Apple Inc.	+3,420,976	30,317,142	$7,694,187,464
VICI	Vici Properties Inc.	+2,793,570	8,929,246	$243,946,998
IR	Ingersoll Rand Inc.	+2,788,487	4,411,618	$353,458,831
AXTA	Axalta Coating Systems Ltd.	+2,667,553	5,632,672	$156,025,012
BIRK	Birkenstock Holding plc	+2,175,805	3,180,948	$113,973,366
GILD	Gilead Sciences, Inc.	+2,058,305	6,281,609	$875,467,841
CRM	Salesforce, Inc.	+2,038,319	4,882,551	$911,425,790
WAT	Waters Corp /De/	+2,005,403	4,630,118	$1,378,849,136
BSX	Boston Scientific Corp	+1,911,044	10,996,572	$690,034,889
HON	Honeywell International Inc	+1,860,250	8,707,049	$1,968,054,280
ANET	Arista Networks, Inc.	+1,838,566	7,227,921	$887,444,136
ABNB	Airbnb, Inc.	+1,690,899	3,053,593	$385,607,721
UBER	Uber Technologies, Inc	+1,505,612	6,408,272	$460,947,000
FITB	Fifth Third Bancorp	+1,433,578	4,833,070	$224,544,429
NDAQ	Nasdaq, Inc.	+1,432,672	29,060,439	$2,466,940,663
BZ	Kanzhun Ltd	+1,420,448	2,514,863	$33,674,013
MDLN	Medline Inc.	+1,342,089	11,569,316	$514,834,561
LMRI	Lumexa Imaging Holdings, Inc.	+1,334,567	2,334,580	$20,077,388
EQX	Equinox Gold Corp.	+1,255,006	3,418,482	$49,431,249
TME	Tencent Music Entertainment Group	+1,243,337	6,151,014	$57,081,407
EPRT	Essential Properties Realty Trust, Inc.	+1,193,178	4,996,674	$151,699,019
No positions match the current search.

Trimmed

Positions the filer reduced

25 positions

Ticker	Company	Δ Shares	Shares	Value
TTE	TotalEnergies SE	−39,997,642	382,869	$34,833,420
KVUE	Kenvue Inc.	−18,742,394	49,743,984	$857,586,280
EXC	Exelon Corp	−13,125,776	1,043,562	$51,155,408
CNQ	Canadian Natural Resources Ltd	−9,236,479	2,379,868	$115,970,966
APTV	Aptiv PLC	−8,701,056	846,448	$58,777,346
ABEV	Ambev S.A.	−8,409,950	26,469,999	$77,292,393
AVTR	Avantor, Inc.	−7,131,662	82,746	$648,728
CNI	Canadian National Railway Co	−6,834,049	3,750,670	$385,456,351
PBR	Petrobras - Petroleo Brasileiro SA	−6,587,273	3,077,153	$63,850,922
PCG	PG&E Corp	−6,216,269	109,393,836	$1,922,049,694
NFLX	Netflix Inc	−5,745,770	992,471	$95,426,085
OGN	Organon & Co.	−5,192,956	1,689,210	$10,118,367
YUMC	Yum China Holdings, Inc.	−4,761,512	209,519	$10,220,335
CPNG	Coupang, Inc.	−4,512,013	7,620,616	$143,877,227
KKR	KKR & Co. Inc.	−4,302,927	14,350,033	$1,327,378,051
SU	Suncor Energy Inc	−4,212,512	3,912,966	$258,686,179
MRK	Merck & Co., Inc.	−4,144,192	271,829	$32,698,308
NTSK	Netskope Inc	−3,523,318	38,190	$324,233
GPK	Graphic Packaging Holding Co	−3,300,605	7,459,614	$74,148,561
UBS	UBS Group AG	−3,080,379	65,542,061	$2,560,728,320
JNJ	Johnson & Johnson	−2,954,264	13,434,302	$3,283,880,778
RYAAY	Ryanair Holdings PLC	−2,809,535	24,120,294	$1,394,152,990
THRY	Thryv Holdings, Inc.	−2,733,142	89,746	$245,903
INTC	Intel Corp	−2,725,410	3,449,902	$152,244,172
VST	Vistra Corp.	−2,578,306	3,951,789	$594,072,438
No positions match the current search.

New Positions

Positions the filer opened this quarter

25 positions

Ticker	Company	Shares	Value
CMCSA	Comcast Corp	10,486,288	$301,061,326
TSN	Tyson Foods, Inc.	3,554,478	$227,735,402
RBC	RBC Bearings INC	307,380	$166,944,223
WWD	Woodward, Inc.	328,124	$117,442,139
AMCR	Amcor plc	2,783,448	$110,642,057
TEX	Terex Corp	1,774,448	$104,869,876
JAN	Janus Living, Inc.	4,369,804	$102,996,277
MMED	MiniMed Group, Inc.	6,878,460	$102,626,621
BRO	Brown & Brown, Inc.	1,537,185	$100,239,832
HII	Huntington Ingalls Industries, Inc.	241,938	$91,912,243
VGNT	Versigent PLC	2,661,893	$84,781,287
AIT	Applied Industrial Technologies Inc	299,596	$79,488,807
EQR	Equity Residential	1,259,931	$74,524,916
DTM	DT Midstream, Inc.	543,107	$73,140,218
SSRM	Ssr Mining Inc.	2,300,783	$67,643,019
LECO	Lincoln Electric Holdings Inc	256,120	$63,794,367
OVV	Ovintiv Inc.	1,044,654	$62,010,659
BNTX	BioNTech SE	670,514	$59,595,283
DCI	DONALDSON Co INC	662,358	$56,214,321
DRS	Leonardo DRS, Inc.	1,245,246	$55,438,350
ES	Eversource Energy	775,238	$53,708,488
GAP	Gap Inc	2,139,198	$51,768,591
AA	Alcoa Corp	738,815	$49,005,597
WAY	Waystar Holding Corp.	1,582,658	$38,157,884
BROS	Dutch Bros Inc.	727,272	$36,843,598
No positions match the current search.

Sold Out

Positions the filer fully exited

25 positions

Ticker	Company	Shares	Value
EXAS	EXACT SCIENCES CORP	2,723,434	$276,591,954
WELL	Welltower Inc.	993,200	$184,347,852
NOW	ServiceNow, Inc.	1,052,936	$161,299,264
JCI	Johnson Controls International plc	1,181,795	$141,519,949
MANH	Manhattan Associates Inc	784,835	$136,019,750
HSY	Hershey Co	705,533	$128,392,894
U	Unity Software Inc.	2,905,820	$128,350,066
MAT	Mattel Inc /De/	5,377,254	$106,684,718
TEAM	Atlassian Corp	386,497	$62,666,620
ODD	Oddity Tech Ltd	1,360,977	$54,684,054
VERX	Vertex, Inc.	2,698,276	$53,884,569
DBRG	DigitalBridge Group, Inc.	3,276,959	$50,268,548
NATL	NCR Atleos Corp	1,255,678	$47,853,888
ACVA	ACV Auctions Inc.	5,535,465	$44,394,424
STEP	StepStone Group Inc.	461,037	$29,584,744
HAS	Hasbro, Inc.	355,468	$29,148,376
TOL	Toll Brothers, Inc.	151,406	$20,473,119
OS	OneStream, Inc.	1,050,802	$19,313,740
FIG	Figma, Inc.	407,270	$15,219,677
HQY	Healthequity, Inc.	149,122	$13,661,066
ZS	Zscaler, Inc.	51,246	$11,526,250
SNY	Sanofi	213,447	$10,343,641
MARA	MARA Holdings, Inc.	1,135,956	$10,200,884
JXN	Jackson Financial Inc.	91,641	$9,773,512
NVO	Novo Nordisk A S	188,444	$9,588,029
No positions match the current search.

Portfolio Positions

Compact Export CSV View 13F filing

920 positions · $278,888,369,724 total · as of Mar 31, 2026

All sectors Basic Materials Communication Services Consumer Cyclical Consumer Defensive Energy Financial Services Healthcare Industrials Real Estate Technology Utilities

Showing 901–920 of 920 positions by value · page 19 of 19

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	% of Portfolio
SEPN	Septerna, Inc. Healthcare	NEW	10,382	NEW	$249,478	NEW	0.00%
MDXG	Mimedx Group, Inc. Healthcare	Reduced	62,540	-1,664	$247,032	−43.2%	0.00%
THRY	Thryv Holdings, Inc. Technology	Reduced	89,746	-2,733,142	$245,903	−98.6%	0.00%
BBIO	BridgeBio Pharma, Inc. Healthcare	Reduced	3,231	-84	$239,933	−5.4%	0.00%
MPC	Marathon Petroleum Corp Energy	NEW	939	NEW	$229,284	NEW	0.00%
IT	Gartner Inc Technology	Added	1,414	+97	$223,892	−32.6%	0.00%
ACH	Accendra Health Inc/Va/ Healthcare	Reduced	97,823	-2,598	$223,035	−20.7%	0.00%
HE	Hawaiian Electric Industries Inc Utilities	Reduced	14,881	-32,779	$220,833	−62.3%	0.00%
ENSG	Ensign Group, Inc Healthcare	NEW	1,095	NEW	$220,642	NEW	0.00%
WMG	Warner Music Group Corp. Communication Services	Added	8,253	+126	$210,781	−15.4%	0.00%
NKE	NIKE, Inc. Consumer Cyclical	Reduced	3,971	-7	$209,747	−17.2%	0.00%
SPXC	SPX Technologies, Inc. Industrials	NEW	1,038	NEW	$207,537	NEW	0.00%
MOH	Molina Healthcare, Inc. Healthcare	NEW	1,556	NEW	$207,414	NEW	0.00%
ALL	Allstate Corp Financial Services	Reduced	978	-49	$202,777	−5.1%	0.00%
AQN	Algonquin Power & Utilities Corp. Utilities	Added	29,454	+3,642	$180,847	+13.9%	0.00%
CGAU	Centerra Gold Inc. Basic Materials	Reduced	9,941	-8,426	$176,850	−33.0%	0.00%
AXIA	AXIA Energia S.A. Utilities	NEW	14,620	NEW	$164,913	NEW	0.00%
SUZ	Suzano S.A. Basic Materials	Reduced	11,756	-875	$117,677	−0.3%	0.00%
PHR	Phreesia, Inc. Healthcare	Reduced	13,317	-356	$111,596	−51.8%	0.00%
BTE	Baytex Energy Corp. Energy	Reduced	16,631	-8,018	$74,340	−6.6%	0.00%

Page 19 of 19

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