Massachusetts Financial Services Co.

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), Massachusetts Financial Services Co. reported 940 stock positions worth $297.2 billion. Its top holding was Nvidia (NVDA) at 3.9% of the portfolio, followed by Microsoft (MSFT, 3.6%) and Apple (AAPL, 2.6%). Compared with Q4 2025, it opened 87 new positions, sold out of 56, added to 284 and reduced 565. The biggest buy was Honeywell International (HON, shares +27%) and the biggest sale Totalenergies (TTE, shares −99%).

Most Recent 13F
Q2 2026
Location
Boston, MA
CIK
0000912938
Portfolio Value
$297.2B (Q1 2026)
SEC Filing
0000912938-26-000604 ↗ filed May 14, 2026

Holdings Value

0$100.0B$200.0B$300.0B$400.0B Q1 2024: $334.3B Q1 2024 Q2 2024: $325.2B Q2 2024 Q3 2024: $334.6B Q3 2024 Q4 2024: $316.4B Q4 2024 Q1 2025: $300.5B Q1 2025 Q2 2025: $314.8B Q2 2025 Q3 2025: $322.5B Q3 2025 Q4 2025: $309.6B Q4 2025 Q1 2026: $297.2B $297.2B Q1 2026 Q2 2026: $314.7B Q2 2026

Holdings 940 stocks · $297.2B

NVDA Nvidia Corp. 3.89% 65,275,558 $11.6B Reduce -2.8%
MSFT Microsoft Corp. 3.59% 25,473,981 $10.7B Reduce -5.9%
AAPL Apple Inc. 2.64% 30,317,142 $7.8B Add +12.7%
GOOGL Alphabet Inc. Class A 2.34% 23,413,232 $7.0B Reduce -7.0%
AMZN Amazon.com Inc. 2.21% 25,952,500 $6.6B Reduce -8.6%
JPM JPMorgan Chase & Co. 1.46% 14,662,099 $4.3B Reduce -5.5%
AVGO Broadcom Inc. 1.15% 8,980,922 $3.4B Add +11.3%
TSM Taiwan Semiconductor-SP ADR 1.15% 9,677,855 $3.4B Reduce -4.6%
JNJ Johnson & Johnson 1.12% 13,434,302 $3.3B Reduce -18.0%
CI The Cigna Group 1.05% 11,595,182 $3.1B Reduce -1.8%
XOM Exxon Mobil Corp. 1.03% 17,922,157 $3.0B Reduce -6.9%
LIN Linde PLC 1.02% 4,757,686 $3.0B Reduce -7.0%
MA Mastercard Inc. Class A 0.95% 5,521,696 $2.8B Reduce -6.0%
FNV Franco-Nevada Corp. 0.95% 11,093,148 $2.8B Reduce -5.1%
RTX RTX Corp. 0.93% 14,147,863 $2.8B Reduce -0.1%
AON Aon PLC Class A 0.93% 8,358,097 $2.8B Reduce -2.2%
COP Conocophillips 0.91% 20,267,161 $2.7B Reduce -9.3%
MDT Medtronic PLC 0.89% 21,437,599 $2.7B Add +2.3%
UBS UBS Group AG-Reg 0.88% 65,542,061 $2.6B Reduce -4.5%
WTW Willis Towers Watson PLC 0.87% 5,867,533 $2.6B Reduce -1.8%
META Meta Platforms Inc. Class A 0.87% 4,407,235 $2.6B Reduce -8.6%
MCK McKesson Corp. 0.85% 2,900,233 $2.5B Reduce -15.8%
ACN Accenture PLC Class A 0.85% 9,828,861 $2.5B Reduce -8.1%
HON Honeywell International Inc. 0.85% 8,707,049 $2.5B Add +27.2%
AEM Agnico Eagle Mines Ltd. 0.84% 11,867,001 $2.5B Add +1.7%
NDAQ Nasdaq Inc. 0.83% 29,060,439 $2.5B Add +5.2%
KLAC KLA Corp. 0.82% 1,641,635 $2.4B Reduce -5.7%
PGR Progressive Corp. 0.81% 12,099,655 $2.4B Reduce -5.3%
V Visa Inc. Class A 0.78% 4,165,473 $2.3B Reduce -8.2%
SCHW Schwab (charles) Corp. 0.76% 14,521,887 $2.3B Reduce -5.5%
TMO Thermo Fisher Scientific Inc. 0.76% 3,013,109 $2.3B Reduce -2.4%
BDX Becton Dickinson and Co. 0.75% 9,101,454 $2.2B Reduce -4.1%
CB Chubb Ltd. 0.72% 6,514,984 $2.1B Reduce -5.4%
WAT Waters Corp. 0.69% 4,630,118 $2.1B Add +76.4%
ADI Analog Devices Inc. 0.67% 6,216,638 $2.0B Reduce -21.3%
GD General Dynamics Corp. 0.67% 5,702,629 $2.0B Reduce -9.0%
MS Morgan Stanley 0.65% 11,749,856 $1.9B Reduce -5.7%
PCG P G & E Corp. 0.65% 109,393,836 $1.9B Reduce -5.4%
DUK Duke Energy Corp. 0.64% 14,391,296 $1.9B Reduce -10.3%
PLD Prologis Inc. 0.63% 14,063,332 $1.9B Reduce -6.2%
APH Amphenol Corp. Class A 0.62% 13,964,627 $1.8B Reduce -12.2%
HWM Howmet Aerospace Inc. 0.60% 7,624,700 $1.8B Reduce -22.3%
UNP Union Pacific Corp. 0.59% 7,029,932 $1.7B Reduce -7.6%
BA The Boeing Co. 0.58% 8,733,419 $1.7B Reduce -9.7%
ETN Eaton Corp. PLC 0.58% 4,688,364 $1.7B Reduce -14.8%
D Dominion Energy Inc. 0.55% 26,621,442 $1.6B Reduce -4.8%
PFE Pfizer Inc. 0.54% 56,911,830 $1.6B Add +1.9%
ABT Abbott Laboratories 0.54% 15,499,870 $1.6B Add +6.8%
TRU Transunion 0.54% 13,146,925 $1.6B Reduce -15.4%
PNC PNC Financial Services Group 0.53% 7,528,295 $1.6B Reduce -11.8%
AXP American Express Co. 0.53% 5,067,655 $1.6B Reduce -12.7%
C Citigroup Inc. 0.51% 13,354,702 $1.5B Reduce -12.2%
SO The Southern Co. 0.51% 15,595,800 $1.5B Reduce -4.3%
NXPI NXP Semiconductors NV 0.51% 7,574,965 $1.5B Reduce -3.5%
CVX Chevron Corp. 0.50% 7,109,419 $1.5B Reduce -6.1%
A Agilent Technologies Inc. 0.49% 12,624,090 $1.5B Reduce -10.8%
CRH CRH PLC 0.49% 13,507,797 $1.5B Add +8.6%
XEL Xcel Energy Inc. 0.49% 18,078,640 $1.4B Reduce -3.9%
TD Toronto-Dominion Bank 0.49% 14,219,093 $1.4B Reduce -6.5%
PM Philip Morris International 0.49% 8,631,772 $1.4B Reduce -7.2%
GEV GE Vernova Inc. 0.49% 1,629,084 $1.4B Add +0.8%
TRV The Travelers Cos Inc. 0.48% 4,903,665 $1.4B Reduce -5.5%
MRSH Marsh & McLennan Cos 0.48% 8,200,309 $1.4B Reduce -5.3%
LOW Lowe's Cos Inc. 0.48% 6,022,364 $1.4B Reduce -5.5%
RYAAY Ryanair Holdings PLC-SP ADR 0.48% 24,120,294 $1.4B Reduce -10.4%
MAR Marriott International Class A 0.47% 4,266,493 $1.4B Reduce -9.8%
KKR KKR & Co. Inc. 0.45% 14,350,033 $1.3B Reduce -23.1%
ABBV Abbvie Inc. 0.41% 5,610,330 $1.2B Reduce -14.5%
NEE Nextera Energy Inc. 0.41% 13,192,071 $1.2B Add +103.1%
WFC Wells Fargo & Co. 0.41% 15,105,182 $1.2B Reduce -12.1%
PCAR Paccar Inc. 0.40% 10,316,053 $1.2B Reduce -6.2%
CHKP Check Point Software Tech 0.40% 7,942,280 $1.2B Add +0.1%
LPLA LPL Financial Holdings Inc. 0.39% 3,869,359 $1.2B Add +4.0%
PEP Pepsico Inc. 0.39% 7,276,739 $1.1B Reduce -5.5%
CAT Caterpillar Inc. 0.38% 1,583,565 $1.1B Reduce -13.8%
RBA RB Global Inc. 0.37% 11,240,652 $1.1B Add +3.2%
HLT Hilton Worldwide Holdings Inc. 0.36% 3,450,856 $1.1B Reduce -13.0%
BLK BlackRock Inc. 0.36% 1,095,157 $1.1B Reduce -6.2%
CNI Canadian Natl Railway Co. 0.35% 3,750,670 $1.1B Reduce -64.6%
NOC Northrop Grumman Corp. 0.35% 1,519,496 $1.0B Reduce -13.8%
TXN Texas Instruments Inc. 0.35% 5,320,294 $1.0B Reduce -16.1%
SPOT Spotify Technology SA 0.34% 2,059,978 $1.0B Reduce -4.3%
STX Seagate Technology Holdings 0.34% 2,536,122 $1.0B Add +26.3%
BAP Credicorp Ltd. 0.32% 2,787,217 $952.5M Reduce -2.8%
STE Steris PLC 0.32% 4,010,349 $936.6M Reduce -4.9%
CRM Salesforce Inc. 0.31% 4,882,551 $933.0M Add +71.7%
ANET Arista Networks Inc. 0.31% 7,227,921 $926.9M Add +34.1%
GILD Gilead Sciences Inc. 0.31% 6,281,609 $909.7M Add +48.7%
GE General Electric filed as GE AEROSPACE 0.30% 3,128,414 $901.9M Reduce -8.9%
LNG Cheniere Energy Inc. 0.29% 3,047,277 $873.2M Reduce -21.2%
KVUE Kenvue Inc. 0.29% 49,743,984 $866.1M Reduce -27.4%
TTWO Take-Two Interactive Softwre 0.29% 4,351,426 $864.7M Reduce -6.3%
WPM Wheaton Precious Metals Corp. 0.29% 6,297,084 $863.3M Reduce -4.8%
ITW Illinois Tool Works 0.29% 3,310,000 $859.6M Reduce -5.1%
EFX Equifax Inc. 0.29% 4,699,910 $856.4M Add +8.2%
GS Goldman Sachs Group Inc. 0.29% 970,662 $852.0M Reduce -16.4%
CDNS Cadence Design SYS Inc. 0.28% 2,974,520 $838.7M Reduce -38.0%
ADSK Autodesk Inc. 0.28% 3,419,138 $836.9M Reduce -2.6%
NTRS Northern Trust Corp. 0.28% 5,805,716 $821.1M Reduce -2.2%
DHR Danaher Corp. 0.27% 4,165,769 $815.2M Reduce -3.9%

Show all 940 holdings

Options reported separately and not counted above: WELLTOWER INC calls ($3.9M), ISHARES TR puts ($1.3M).

Other holdings (4): bonds, preferreds, convertibles and warrants · $7.9M (not counted above)
SecurityClassShares / PrincipalValueChange
PG&E CORP (PCG 4.25 12/01/27) NOTE 4.250%12/0 · principal 4,462,000$4.8MNo change
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A · principal 3,348,581$2.2MNew
NEXTERA ENERGY INC (NEE 7.234 11/01/27) UNIT 11/01/2027 · principal 994,345$535KNew
PG&E CORP (PCG 6 12/01/27 A) PFD CONV SER A · principal 830,823$366KNew

Total filed on the 13F, all lines: $297.2B.

Portfolio Sells Q4 2025 → Q1 2026

TTE Totalenergies SE Reduce -99.0% 0.01% −0.84
MSFT Microsoft Corp. Reduce -5.9% 3.59% −0.64
QGEN Qiagen N.V. Reduce -98.6% 0.00% −0.35
KKR KKR & Co. Inc. Reduce -23.1% 0.45% −0.32
APTV Aptiv PLC Reduce -91.1% 0.02% −0.21
GOOGL Alphabet Inc. Class A Reduce -7.0% 2.34% −0.21
CDNS Cadence Design SYS Inc. Reduce -38.0% 0.28% −0.20
EXC Exelon Corp. Reduce -92.6% 0.02% −0.18
NFLX Netflix Inc. Reduce -85.3% 0.03% −0.17
AXP American Express Co. Reduce -12.7% 0.53% −0.17
META Meta Platforms Inc. Class A Reduce -8.6% 0.87% −0.16
JPM JPMorgan Chase & Co. Reduce -5.5% 1.46% −0.16
ARES Ares Management Corp. Class A Reduce -32.6% 0.14% −0.16
NVDA Nvidia Corp. Reduce -2.8% 3.89% −0.15
RYAAY Ryanair Holdings PLC-SP ADR Reduce -10.4% 0.48% −0.15
UBS UBS Group AG-Reg Reduce -4.5% 0.88% −0.15
VST Vistra Corp. Reduce -39.5% 0.20% −0.14
MRK Merck & Co. Inc. Reduce -93.8% 0.01% −0.14
CMCSV Comcast Corp.-Wi Sold out 0.00% −0.13
PGR Progressive Corp. Reduce -5.3% 0.81% −0.13
MA Mastercard Inc. Class A Reduce -6.0% 0.95% −0.13
A Agilent Technologies Inc. Reduce -10.8% 0.49% −0.13
GWRE Guidewire Software Inc. Reduce -29.7% 0.15% −0.12
DDOG Datadog Inc. Class A Reduce -66.8% 0.05% −0.12
HUM Humana Inc. Reduce -0.3% 0.26% −0.11
WFC Wells Fargo & Co. Reduce -12.1% 0.41% −0.11
RRX Regal Rexnord Corp. Reduce -99.9% 0.00% −0.10
BA The Boeing Co. Reduce -9.7% 0.58% −0.09
TTWO Take-Two Interactive Softwre Reduce -6.3% 0.29% −0.09
CRWD CrowdStrike Holdings Inc. Class A Reduce -85.3% 0.01% −0.09
KVUE Kenvue Inc. Reduce -27.4% 0.29% −0.09
EXAS Exact Sciences Corp. Sold out 0.00% −0.09
APP AppLovin Corp. Class A Reduce -2.4% 0.13% −0.09
INTU Intuit Inc. Reduce -14.3% 0.13% −0.08
APH Amphenol Corp. Class A Reduce -12.2% 0.62% −0.08
ACN Accenture PLC Class A Reduce -8.1% 0.85% −0.08
CNQ Canadian Natural Resources Reduce -79.5% 0.05% −0.07
ABBV Abbvie Inc. Reduce -14.5% 0.41% −0.07
YUMC Yum China Holdings Inc. Reduce -95.8% 0.01% −0.07
MS Morgan Stanley Reduce -5.7% 0.65% −0.06
CBRE CBRE Group Inc. Class A Reduce -18.0% 0.17% −0.06
SPOT Spotify Technology SA Reduce -4.3% 0.34% −0.06
MCK McKesson Corp. Reduce -15.8% 0.85% −0.06
C Citigroup Inc. Reduce -12.2% 0.51% −0.06
PEGA Pegasystems Inc. Reduce -51.8% 0.03% −0.06
EA Electronic Arts Inc. Reduce -95.1% 0.00% −0.06
CSGP Costar Group Inc. Reduce -69.7% 0.01% −0.06
HOOD Robinhood Markets Inc. Class A Reduce -53.3% 0.02% −0.05
ADSK Autodesk Inc. Reduce -2.6% 0.28% −0.05
NOW ServiceNow Inc. Sold out 0.00% −0.05

Portfolio Buys Q4 2025 → Q1 2026

HON Honeywell International Inc. Add +27.2% 0.85% +0.42
WAT Waters Corp. Add +76.4% 0.69% +0.37
AAPL Apple Inc. Add +12.7% 2.64% +0.28
AVGO Broadcom Inc. Add +11.3% 1.15% +0.25
NEE Nextera Energy Inc. Add +103.1% 0.41% +0.24
MDT Medtronic PLC Add +2.3% 0.89% +0.24
AEM Agnico Eagle Mines Ltd. Add +1.7% 0.84% +0.20
APTV Aptiv PLC-W/I New 0.16% +0.16
STX Seagate Technology Holdings Add +26.3% 0.34% +0.16
GEV GE Vernova Inc. Add +0.8% 0.49% +0.14
GILD Gilead Sciences Inc. Add +48.7% 0.31% +0.14
AMAT Applied Materials Inc. Add +349.4% 0.14% +0.12
CMCSA Comcast Corp. Class A New 0.10% +0.10
PFE Pfizer Inc. Add +1.9% 0.54% +0.10
TECK Teck Resources Ltd.-CLS B Add +381.6% 0.11% +0.09
ANET Arista Networks Inc. Add +34.1% 0.31% +0.08
FERG Ferguson Enterprises Inc. Add +110.8% 0.15% +0.08
IR Ingersoll-Rand Inc. Add +171.8% 0.12% +0.08
TSN Tyson Foods Inc. Class A New 0.08% +0.08
ABNB Airbnb Inc. Class A Add +124.1% 0.13% +0.07
CRM Salesforce Inc. Add +71.7% 0.31% +0.07
VLO Valero Energy Corp. Add +7.1% 0.17% +0.07
RBC RBC Bearings Inc. New 0.06% +0.06
EME Emcor Group Inc. Add +179.0% 0.08% +0.06
EMR Emerson Electric Co. Add +49.3% 0.14% +0.05
CW Curtiss-Wright Corp. Add +0.4% 0.18% +0.04
WWD Woodward Inc. New 0.04% +0.04
AME Ametek Inc. Add +47.3% 0.10% +0.04
JAN Janus Living Inc. Class-A-1 New 0.04% +0.04
MTSI Macom Technology Solutions H Add +77.1% 0.06% +0.04
MDLN Medline Inc. Class A Add +13.1% 0.17% +0.04
TEX Terex Corp. New 0.04% +0.04
MMED Minimed Group Inc. New 0.03% +0.03
MOD Modine Manufacturing Co. Add +131.7% 0.05% +0.03
BRO Brown & Brown Inc. New 0.03% +0.03
BURL Burlington Stores Inc. Add +10.4% 0.14% +0.03
VRSK Verisk Analytics Inc. Add +33.6% 0.17% +0.03
HII Huntington Ingalls Industrie New 0.03% +0.03
VGNT Versigent PLC New 0.03% +0.03
TJX TJX Companies Inc. Add +7.0% 0.17% +0.03
UBER Uber Technologies Inc. Add +30.7% 0.16% +0.03
VICI Vici Properties Inc. Add +45.5% 0.08% +0.03
CL Colgate-Palmolive Co. Add +5.7% 0.14% +0.03
VMRK Vivmark Residential New 0.03% +0.03
RNR Renaissancere Holdings Ltd. Add +703.2% 0.03% +0.03
B Barrick Mining Corp. Add +90.4% 0.04% +0.03
KGC Kinross Gold Corp. Add +24.7% 0.06% +0.03
AIT Applied Industrial Tech Inc. New 0.03% +0.03
TT Trane Technologies PLC Add +0.4% 0.23% +0.03
TKO Tko Group Holdings Inc. Add +11.2% 0.24% +0.03

Options Activity Q4 2025 → Q1 2026

WELL Welltower Inc. call Sold out 993,200 $184.3Mbefore exit
EEM iShares MSCI Emerging Market put Sold out 476,000 $26.0Mbefore exit
EEM iShares MSCI Emerging Market call Sold out 186,000 $10.2Mbefore exit
WELLTOWER INC call New 1,162,700 $3.9M
ISHARES TR put New 476,000 $1.3M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

Notes & Other Activity Q4 2025 → Q1 2026

BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A Sold out 3,324,380 $229.6Mbefore exit
NEXTERA ENERGY INC (NEE 7.234 11/01/27) UNIT 11/01/2027 Sold out 908,279 $44.3Mbefore exit
PG&E CORP (PCG 6 12/01/27 A) PFD CONV SER A Sold out 686,615 $28.2Mbefore exit
SOUTHERN CO (SO 7.125 12/15/28 A) UNIT 12/15/2028 Sold out 200,000 $10.1Mbefore exit
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A · principal New 3,348,581 $2.2M
NEXTERA ENERGY INC (NEE 7.234 11/01/27) UNIT 11/01/2027 · principal New 994,345 $535K
PG&E CORP (PCG 6 12/01/27 A) PFD CONV SER A · principal New 830,823 $366K

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

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 997$314.7BNVDA, GOOGL, AAPL, AMZN, MSFT
Q1 2026 940$297.2BNVDA, MSFT, AAPL, GOOGL, AMZN
Q4 2025 909$309.6BMSFT, NVDA, GOOGL, AAPL, AMZN
Q3 2025 851$322.5BMSFT, NVDA, AAPL, AMZN, GOOGL
Q2 2025 880$314.8BMSFT, NVDA, AMZN, META, AAPL
Q1 2025 876$300.5BMSFT, NVDA, AMZN, AAPL, META
Q4 2024 869$316.4BMSFT, NVDA, GOOGL, AMZN, AAPL
Q3 2024 844$334.6BMSFT, NVDA, GOOGL, AAPL, AMZN
Q2 2024 859$325.2BMSFT, NVDA, GOOGL, AMZN, AAPL
Q1 2024 837$334.3BMSFT, NVDA, GOOGL, JPM, AMZN