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Loomis Sayles & Co L P Top Holdings and 13F Report (2025)

About Loomis Sayles & Co L P

Investment Activity

  • Loomis Sayles & Co L P has $79.80 billion in total holdings as of June 30, 2025.
  • Loomis Sayles & Co L P owns shares of 722 different stocks, but just 34 companies or ETFs make up 80% of its holdings.
  • Approximately 2.74% of the portfolio was purchased this quarter.
  • About NaN of the portfolio was sold this quarter.
  • This quarter, Loomis Sayles & Co L P has purchased 726 new stocks and bought additional shares in 246 stocks.
  • Loomis Sayles & Co L P sold shares of 315 stocks and completely divested from 109 stocks this quarter.

Largest Holdings

NVIDIA
$6,629,306,120
Meta Platforms
$5,558,055,441
Netflix
$5,001,674,684
Amazon.com
$4,225,690,493
Tesla
$4,102,514,271

Largest New Holdings this Quarter

450056106 - iRhythm Technologies
$39,339,397 Holding
60471A101 - Mirion Technologies
$34,269,042 Holding
71944F106 - Phreesia
$34,161,676 Holding
13100M509 - Calix
$21,682,053 Holding
927959106 - VIPER ENERGY PARTNERS LP
$20,398,864 Holding

Largest Purchases this Quarter

O'Reilly Automotive
2,357,916 shares (about $212.52M)
Regeneron Pharmaceuticals
305,089 shares (about $160.17M)
Deere & Company
292,932 shares (about $148.95M)
KLA
95,554 shares (about $85.59M)
Hilton Worldwide
164,092 shares (about $43.70M)

Largest Sales this Quarter

Analog Devices
182 shares (about $∞T)
Microchip Technology
85,981 shares (about $∞T)
Alibaba Group
1,388,995 shares (about $157.53M)
Alphabet
837,067 shares (about $147.52M)
Netflix
90,077 shares (about $120.62M)

Sector Allocation Over Time

Map of 500 Largest Holdings ofLoomis Sayles & Co L P

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
NVIDIA Corporation stock logo
NVDA
NVIDIA
$6,629,306,120$69,137,373 -1.0%41,960,2898.3%Computer and Technology
Meta Platforms, Inc. stock logo
META
Meta Platforms
$5,558,055,441$103,197,531 -1.8%7,530,3227.0%Computer and Technology
Netflix, Inc. stock logo
NFLX
Netflix
$5,001,674,684$120,624,814 -2.4%3,735,0186.3%Consumer Discretionary
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$4,225,690,493$66,704,651 -1.6%19,261,0905.3%Retail/Wholesale
Tesla, Inc. stock logo
TSLA
Tesla
$4,102,514,271$69,142,508 -1.7%12,914,7975.1%Auto/Tires/Trucks
Oracle Corporation stock logo
ORCL
Oracle
$3,700,364,628$51,255,618 -1.4%16,925,2374.6%Computer and Technology
Visa Inc. stock logo
V
Visa
$3,201,790,904$70,705,724 -2.2%9,017,8594.0%Business Services
Microsoft Corporation stock logo
MSFT
Microsoft
$3,070,747,768$5,427,241 -0.2%6,173,4743.8%Computer and Technology
Alphabet Inc. stock logo
GOOGL
Alphabet
$3,067,384,220$147,516,313 -4.6%17,405,5743.8%Computer and Technology
The Boeing Company stock logo
BA
Boeing
$3,003,229,469$46,019,911 -1.5%14,333,1723.8%Aerospace
Autodesk, Inc. stock logo
ADSK
Autodesk
$1,805,241,168$27,262,593 1.5%5,831,4472.3%Computer and Technology
The Walt Disney Company stock logo
DIS
Walt Disney
$1,777,786,052$26,927,780 1.5%14,335,8282.2%Consumer Discretionary
Salesforce Inc. stock logo
CRM
Salesforce
$1,710,698,987$4,374,221 0.3%6,273,4202.1%Computer and Technology
Vertex Pharmaceuticals Incorporated stock logo
VRTX
Vertex Pharmaceuticals
$1,697,715,954$28,958,926 1.7%3,813,3782.1%Medical
Shopify Inc. stock logo
SHOP
Shopify
$1,686,738,475$22,126,898 1.3%14,622,7872.1%Computer and Technology
Monster Beverage Corporation stock logo
MNST
Monster Beverage
$1,656,847,080$24,159,747 1.5%26,450,3052.1%Consumer Staples
Regeneron Pharmaceuticals, Inc. stock logo
REGN
Regeneron Pharmaceuticals
$1,019,061,568$160,171,696 18.6%1,941,0701.3%Medical
Intuitive Surgical, Inc. stock logo
ISRG
Intuitive Surgical
$939,139,395$14,868,237 1.6%1,728,2341.2%Medical
Starbucks Corporation stock logo
SBUX
Starbucks
$878,490,196$13,923,179 1.6%9,587,3641.1%Retail/Wholesale
Novo Nordisk A/S stock logo
NVO
Novo Nordisk A/S
$867,997,642$12,961,197 1.5%12,576,0311.1%Medical
SEI Investments Company stock logo
SEIC
SEI Investments
$794,474,637$10,890,852 1.4%8,841,2491.0%Finance
QUALCOMM Incorporated stock logo
QCOM
QUALCOMM
$763,110,911$34,290,751 -4.3%4,791,6041.0%Computer and Technology
Deere & Company stock logo
DE
Deere & Company
$704,930,454$148,953,011 26.8%1,386,3210.9%Industrials
Novartis AG stock logo
NVS
Novartis
$675,426,544$9,497,228 1.4%5,581,5760.8%Medical
FactSet Research Systems Inc. stock logo
FDS
FactSet Research Systems
$674,521,623$10,689,994 1.6%1,508,0520.8%Business Services
Expeditors International of Washington, Inc. stock logo
EXPD
Expeditors International of Washington
$656,362,885$9,524,565 1.5%5,744,9710.8%Transportation
Alphabet Inc. stock logo
GOOG
Alphabet
$584,211,533$47,237,354 -7.5%3,293,3740.7%Computer and Technology
Thermo Fisher Scientific Inc. stock logo
TMO
Thermo Fisher Scientific
$573,479,367$27,332,869 5.0%1,414,3920.7%Medical
Yum! Brands, Inc. stock logo
YUM
Yum! Brands
$569,723,371$6,039,372 1.1%3,844,8060.7%Retail/Wholesale
BLOCK INC
$515,856,710$6,804,752 1.3%7,593,9450.6%COMMON
Workday, Inc. stock logo
WDAY
Workday
$506,399,449$7,379,999 1.5%2,109,9980.6%Computer and Technology
PayPal Holdings, Inc. stock logo
PYPL
PayPal
$484,770,650$7,708,322 1.6%6,522,7480.6%Business Services
NIKE, Inc. stock logo
NKE
NIKE
$463,438,795$9,317,464 2.1%6,523,6320.6%Consumer Discretionary
Illumina, Inc. stock logo
ILMN
Illumina
$403,157,755$7,472,226 1.9%4,225,5290.5%Medical
S&P Global Inc. stock logo
SPGI
S&P Global
$358,101,621$1,286,588 0.4%679,1360.4%Finance
Mastercard Incorporated stock logo
MA
Mastercard
$347,803,772$912,029 -0.3%618,9340.4%Business Services
LSGR
Natixis Loomis Sayles Focused Growth ETF
$312,807,209$1,075,008 -0.3%7,477,3440.4%ETF
Alibaba Group Holding Limited stock logo
BABA
Alibaba Group
$284,680,644$157,525,921 -35.6%2,510,1900.4%Retail/Wholesale
BLACKROCK INC
$270,095,836$38,258,803 16.5%257,4180.3%COMMON
Parker-Hannifin Corporation stock logo
PH
Parker-Hannifin
$268,906,061$569,253 0.2%384,9930.3%Industrials
Roper Technologies, Inc. stock logo
ROP
Roper Technologies
$244,776,817$12,746,531 -4.9%431,8270.3%Computer and Technology
LINDE PLC
$231,823,715$17,655,713 -7.1%494,1040.3%COMMON
O'Reilly Automotive, Inc. stock logo
ORLY
O'Reilly Automotive
$230,371,829$212,518,969 1,190.4%2,555,9950.3%Retail/Wholesale
MercadoLibre, Inc. stock logo
MELI
MercadoLibre
$227,004,220$2,046,472 -0.9%86,8540.3%Retail/Wholesale
JPMorgan Chase & Co. stock logo
JPM
JPMorgan Chase & Co.
$224,023,813$24,310,684 12.2%772,7360.3%Finance
Costco Wholesale Corporation stock logo
COST
Costco Wholesale
$219,388,523$15,038,179 -6.4%221,6180.3%Retail/Wholesale
The Home Depot, Inc. stock logo
HD
Home Depot
$216,028,783$863,804 0.4%589,2120.3%Retail/Wholesale
Airbnb, Inc. stock logo
ABNB
Airbnb
$214,019,189$6,548,448 -3.0%1,617,1920.3%Consumer Discretionary
Allison Transmission Holdings, Inc. stock logo
ALSN
Allison Transmission
$209,886,104$36,111,398 -14.7%2,209,5600.3%Auto/Tires/Trucks
Mettler-Toledo International, Inc. stock logo
MTD
Mettler-Toledo International
$209,250,524$14,884,877 7.7%178,1280.3%Medical
Taiwan Semiconductor Manufacturing Company Ltd. stock logo
TSM
Taiwan Semiconductor Manufacturing
$201,127,423$37,456,010 22.9%888,0190.3%Computer and Technology
The Goldman Sachs Group, Inc. stock logo
GS
The Goldman Sachs Group
$194,215,801$439,513 -0.2%274,4130.2%Finance
Yum China stock logo
YUMC
Yum China
$192,797,654$39,353,786 -17.0%4,312,1820.2%Retail/Wholesale
Cummins Inc. stock logo
CMI
Cummins
$184,298,988$380,555 0.2%562,7450.2%Auto/Tires/Trucks
UnitedHealth Group Incorporated stock logo
UNH
UnitedHealth Group
$182,576,699$31,639,062 21.0%585,2380.2%Medical
Hilton Worldwide Holdings Inc. stock logo
HLT
Hilton Worldwide
$164,931,045$43,704,263 36.1%619,2500.2%Consumer Discretionary
Alnylam Pharmaceuticals, Inc. stock logo
ALNY
Alnylam Pharmaceuticals
$158,912,788$3,311,770 -2.0%487,3280.2%Medical
Danaher Corporation stock logo
DHR
Danaher
$151,018,342$314,286 0.2%764,4950.2%Medical
Doximity, Inc. stock logo
DOCS
Doximity
$143,871,804$2,281,725 -1.6%2,345,4810.2%Medical
Trane Technologies plc stock logo
TT
Trane Technologies
$134,881,935$289,128 0.2%308,3650.2%Construction
ARM HOLDINGS PLC
$133,943,364$2,690,707 -2.0%828,1400.2%ADR
BOEING CO/THE CVTPFD 6.0
$119,706,605$87,932,423 -42.3%571,3100.2%CV PFD
ECHOSTAR CORP CVT
$109,978,077$24,649,846 -18.3%3,970,3270.1%CV BND
HealthEquity, Inc. stock logo
HQY
HealthEquity
$108,041,916$8,550,406 -7.3%1,031,3280.1%Medical
RBC Bearings Incorporated stock logo
RBC
RBC Bearings
$96,328,908$7,318,126 -7.1%250,3350.1%Industrials
Adobe Inc. stock logo
ADBE
Adobe
$92,314,984$17,381,358 -15.8%238,6140.1%Computer and Technology
Life Time Group Holdings, Inc. stock logo
LTH
Life Time Group
$90,316,856$11,380,483 -11.2%2,977,8060.1%Consumer Discretionary
ATI Inc. stock logo
ATI
ATI
$89,760,186$16,636,336 -15.6%1,039,6130.1%Basic Materials
KLA Corporation stock logo
KLAC
KLA
$87,093,696$85,591,540 5,697.9%97,2310.1%Computer and Technology
Casella Waste Systems, Inc. stock logo
CWST
Casella Waste Systems
$82,676,231$15,743,832 -16.0%716,5560.1%Business Services
Sterling Infrastructure, Inc. stock logo
STRL
Sterling Infrastructure
$81,662,269$1,974,126 -2.4%353,9300.1%Construction
Insmed, Inc. stock logo
INSM
Insmed
$79,864,784$21,727,874 -21.4%793,5690.1%Medical
Kratos Defense & Security Solutions, Inc. stock logo
KTOS
Kratos Defense & Security Solutions
$77,571,082$35,672,253 -31.5%1,669,9910.1%Aerospace
ESCO Technologies Inc. stock logo
ESE
ESCO Technologies
$77,522,387$2,529,806 -3.2%404,0360.1%Industrials
Arcosa, Inc. stock logo
ACA
Arcosa
$77,470,861$228,134 -0.3%893,4480.1%Construction
MACOM Technology Solutions Holdings, Inc. stock logo
MTSI
MACOM Technology Solutions
$74,523,839$1,792,988 -2.3%520,0910.1%Computer and Technology
Merit Medical Systems, Inc. stock logo
MMSI
Merit Medical Systems
$74,196,198$23,267,453 -23.9%793,7120.1%Medical
Hamilton Lane Inc. stock logo
HLNE
Hamilton Lane
$74,011,264$12,562,697 -14.5%520,7660.1%Finance
Advanced Energy Industries, Inc. stock logo
AEIS
Advanced Energy Industries
$72,031,770$11,878,625 -14.2%543,6360.1%Computer and Technology
Silicon Laboratories, Inc. stock logo
SLAB
Silicon Laboratories
$70,858,793$5,152,737 -6.8%480,8550.1%Computer and Technology
MAREX GROUP PLC
$69,760,541$12,370,332 21.6%1,767,4320.1%COMMON
CommVault Systems, Inc. stock logo
CVLT
CommVault Systems
$69,744,203$27,234,530 64.1%400,0700.1%Computer and Technology
Texas Roadhouse, Inc. stock logo
TXRH
Texas Roadhouse
$69,682,599$6,376,250 -8.4%371,8190.1%Retail/Wholesale
Builders FirstSource, Inc. stock logo
BLDR
Builders FirstSource
$69,562,176$6,682,370 10.6%596,1280.1%Retail/Wholesale
Veeva Systems Inc. stock logo
VEEV
Veeva Systems
$69,362,863$2,325,726 -3.2%240,8600.1%Medical
PROCEPT BioRobotics Corporation stock logo
PRCT
PROCEPT BioRobotics
$67,467,513$575,366 -0.8%1,171,3110.1%Medical
Construction Partners, Inc. stock logo
ROAD
Construction Partners
$66,994,661$8,589,975 -11.4%630,3600.1%Construction
Integer Holdings Corporation stock logo
ITGR
Integer
$66,276,772$954,616 -1.4%538,9670.1%Medical
Intapp, Inc. stock logo
INTA
Intapp
$63,130,884$11,968,817 -15.9%1,222,9930.1%Computer and Technology
Glaukos Corporation stock logo
GKOS
Glaukos
$61,314,184$4,806,910 -7.3%593,6120.1%Medical
Alkermes plc stock logo
ALKS
Alkermes
$60,364,067$9,452,429 -13.5%2,109,8940.1%Medical
Verona Pharma PLC American Depositary Share stock logo
VRNA
Verona Pharma PLC American Depositary Share
$59,747,037$15,566,071 -20.7%631,7090.1%Medical
Varonis Systems, Inc. stock logo
VRNS
Varonis Systems
$59,306,501$1,427,344 -2.4%1,168,6010.1%Computer and Technology
Itron, Inc. stock logo
ITRI
Itron
$59,287,864$1,426,738 -2.3%450,4130.1%Computer and Technology
ITT Inc. stock logo
ITT
ITT
$58,473,045$3,726,286 -6.0%372,8430.1%Multi-Sector Conglomerates
Magnolia Oil & Gas Corp stock logo
MGY
Magnolia Oil & Gas
$58,012,967$4,604,983 -7.4%2,580,6480.1%Energy
Clearwater Analytics Holdings, Inc. stock logo
CWAN
Clearwater Analytics
$58,009,214$10,635,261 -15.5%2,645,1990.1%Computer and Technology
AAR Corp. stock logo
AIR
AAR
$57,552,586$456,490 -0.8%836,6420.1%Aerospace
Hexcel Corporation stock logo
HXL
Hexcel
$53,808,363$4,061,405 -7.0%952,5290.1%Aerospace
Mercury Systems Inc stock logo
MRCY
Mercury Systems
$53,461,974$40,783,653 321.7%992,6100.1%Aerospace

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