Q2 2026 13F · SEC CIK 312348

Loomis Sayles & Co L P

Asset managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $79.8B
Reported positions: 707
Top holdings a year, 3 yrs: +21.2%
Assets under management: $386.9B

Loomis Sayles & Co L P is an asset manager that reported 707 positions worth $79.8B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Nvidia Corporation Com (NVDA, 9.9%), Alphabet Inc (GOOGL, 7.7%), Tesla Inc Com (TSLA, 6.7%). A portfolio copying its top holdings returned 21.2% a year over the last 3 years, against 20.4% for the S&P 500.

Loomis Sayles & Co L P holdings largest 50 of 707 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Loomis Sayles & Co L P 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
NVDANvidia Corporation Com	9.9%	9.6%	39,501,911	-3.6%	$7.9B
GOOGLAlphabet Inc	7.7%	6.7%	17,217,854	-0.7%	$6.2B
TSLATesla Inc Com	6.7%	6.3%	12,679,478	+0.2%	$5.3B
AMZNAmazon Com Inc Com	5.5%	5.1%	18,291,403	-0.2%	$4.4B
METAMeta Platforms Inc Class A	5.3%	5.7%	7,504,423	+0.7%	$4.2B
VVisa Inc Com Cl A	3.9%	3.8%	9,110,773	-1.5%	$3.1B
BABoeing Co	3.8%	3.8%	13,915,261	-1.0%	$3.0B
MSFTMicrosoft Corp	3.6%	3.0%	7,779,696	+28.3%	$2.9B
NFLXNetflix Inc Total	3.6%	4.9%	40,017,462	+5.4%	$2.9B
ORCLOracle Corp	3.1%	3.3%	16,698,361	-0.8%	$2.4B
MNSTMonster Beverage Corp New	3.0%	2.5%	24,849,175	-4.1%	$2.4B
VRTXVertex Pharmaceuticals Inc	2.4%	2.4%	3,920,953	-2.1%	$1.9B
SHOPShopify Inc	2.1%	2.3%	14,408,186	+0.0%	$1.6B
DISDisney Walt Co	1.6%	1.8%	13,574,038	-3.0%	$1.3B
ADSKAutodesk Inc	1.5%	1.8%	6,335,468	+10.4%	$1.2B
REGNRegeneron Pharmaceuticals	1.5%	2.0%	1,859,172	-2.8%	$1.2B
CRMSalesforce Inc Com	1.3%	1.5%	6,452,463	+6.5%	$1.0B
GOOGAlphabet Inc	1.2%	1.1%	2,716,368	-4.6%	$959.8M
SBUXStarbucks Corp Com	1.2%	1.1%	9,132,297	-2.6%	$933.2M
EXPDExpeditors International of Wa	1.1%	1.1%	5,497,102	-2.1%	$895.9M
NVONovo-Nordisk A S	1.1%	0.8%	18,594,352	+9.3%	$891.4M
DEDeere & Co Com	1.1%	1.0%	1,367,369	-0.5%	$867.4M
NVSNovartis AG	1.0%	1.1%	5,239,309	-3.4%	$821.1M
SEICSei Investments Company	0.9%	0.9%	8,482,052	-1.7%	$744.0M
TMOThermo Fisher Scientific Inc	0.8%	0.9%	1,315,185	-3.6%	$659.4M
ISRGIntuitive Surgical Inc	0.8%	1.1%	1,656,156	-2.6%	$658.6M
BKNGBooking Holdings Inc Com	0.8%	0.7%	3,414,019	+2678.4%	$608.5M
YUMYum Brands Inc	0.7%	0.8%	3,673,461	-1.8%	$587.2M
SQBlock Inc	0.7%	0.6%	7,340,417	-1.1%	$557.9M
MAMastercard Inc.	0.5%	0.4%	726,071	+18.0%	$372.9M
LSGRNatixis Loomis Focused Grwth	0.4%	0.4%	8,087,491	+8.0%	$340.7M
ILMNIllumina Inc	0.4%	0.5%	1,931,948	-34.4%	$339.7M
SPGIS&P Global Inc.	0.4%	0.4%	813,725	+20.6%	$331.4M
FDSFactset Resh Sys Inc	0.4%	0.4%	1,439,274	-2.6%	$331.1M
AVGOBroadcom Inc	0.4%	—	871,078	—	$329.0M
NKENike Inc Cl B	0.4%	0.6%	7,806,708	-1.5%	$320.5M
TTTrane Technologies PLC	0.4%	0.3%	591,726	+16.6%	$290.6M
WDAYWorkday Inc	0.4%	0.4%	2,295,182	+10.4%	$281.0M
ARMArm Hldgs PLC Equity A Funsponsored ADR	0.3%	—	785,168	—	$278.4M
CMICummins Inc	0.3%	0.2%	355,936	+6.1%	$253.9M
TSMTaiwan Semiconductor Manufac	0.3%	0.3%	486,273	-25.7%	$232.2M
KLACKla Corp	0.3%	0.2%	769,321	+516.5%	$232.1M
MELIMercadolibre Inc	0.3%	—	124,382	—	$211.1M
PHParker-Hannifin Corp	0.3%	0.3%	208,634	-14.5%	$204.1M
HLTHilton Worldwide Holdings Inc	0.3%	0.3%	607,632	-16.3%	$200.8M
GSGoldman Sachs Group Inc	0.2%	—	191,453	—	$193.6M
BLKBlackrock Inc	0.2%	0.3%	198,459	-5.3%	$190.8M
JPMJpmorgan Chase & Co	0.2%	0.3%	582,767	-9.0%	$190.8M
ORLYO'Reilly Automotive Inc	0.2%	0.3%	2,035,771	-3.4%	$187.5M
ALNYAlnylam Pharmaceuticals Inc	0.2%	—	580,187	—	$174.7M

What Loomis Sayles & Co L P bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

BKNG Booking Holdings Inc Com+2678.4% shares
KLAC Kla Corp+516.5% shares
MSFT Microsoft Corp+28.3% shares
SPGI S&P Global Inc.+20.6% shares
MA Mastercard Inc.+18.0% shares
TT Trane Technologies PLC+16.6% shares
WDAY Workday Inc+10.4% shares
ADSK Autodesk Inc+10.4% shares

Reduced

ILMN Illumina Inc-34.4% shares
TSM Taiwan Semiconductor Manufac-25.7% shares
HLT Hilton Worldwide Holdings Inc-16.3% shares
PH Parker-Hannifin Corp-14.5% shares
JPM Jpmorgan Chase & Co-9.0% shares
BLK Blackrock Inc-5.3% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +1.1% /yr; S&P 500 +20.1%
3 years: +21.2% /yr; S&P 500 +20.4%
5 years: +12.9% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$79.8B	707
Q1 2026	$74.3B	718
Q4 2025	$83.0B	695
Q3 2025	$84.1B	712
Q2 2025	$79.8B	722
Q1 2025	$69.2B	724
Q4 2024	$79.2B	716
Q3 2024	$76.2B	690
Q2 2024	$72.6B	705
Q1 2024	$70.3B	692
Q4 2023	$65.3B	968
Q3 2023	$58.2B	903

Questions about Loomis Sayles & Co L P's portfolio

What stocks does Loomis Sayles & Co L P own?

Loomis Sayles & Co L P's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 707 positions worth $79.8B. The largest are Nvidia Corporation Com (NVDA) at 9.9%, Alphabet Inc (GOOGL) at 7.7%, Tesla Inc Com (TSLA) at 6.7%, Amazon Com Inc Com (AMZN) at 5.5% and Meta Platforms Inc Class A (META) at 5.3%.

What did Loomis Sayles & Co L P buy last quarter?

In Q2 2026, Loomis Sayles & Co L P added Booking Holdings Inc Com (BKNG) (+2678.4% shares), Kla Corp (KLAC) (+516.5% shares) and Microsoft Corp (MSFT) (+28.3% shares), compared with its Q1 2026 filing.

What did Loomis Sayles & Co L P sell last quarter?

In Q2 2026, Loomis Sayles & Co L P cut from its top 50 Qualcomm Inc (QCOM), cut from its top 50 Paypal Hldgs Inc (PYPL), cut from its top 50 Yum China Hldgs Inc (YUMC), cut from its top 50 Costco Whsl Corp New (COST), cut from its top 50 Echostar Corp, Illumina Inc (ILMN) (-34.4% shares), Taiwan Semiconductor Manufac (TSM) (-25.7% shares) and Hilton Worldwide Holdings Inc (HLT) (-16.3% shares), compared with its Q1 2026 filing.

How has Loomis Sayles & Co L P's portfolio performed?

A portfolio copying Loomis Sayles & Co L P's 20 largest 13F holdings each quarter, from the day each filing was public, returned +21.2% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +1.1% against +20.1%. Over 5 years: +12.9% a year against +11.6%.

When is Loomis Sayles & Co L P's next 13F filing due?

13F filings are due 45 days after each quarter ends. Loomis Sayles & Co L P's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Loomis Sayles & Co L P manage?

Loomis Sayles & Co L P reported $386.9B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $79.8B.