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Latest LOOMIS SAYLES & CO L P Stock Portfolio

$74.33Billion– No. of Holdings #670

LOOMIS SAYLES & CO L P Performance:
2026 Q1: -9.74%YTD: -9.74%2025: 13.81%
Performance for 2026 Q1 is -9.74%, and YTD is -9.74%, and 2025 is 13.81%.

About LOOMIS SAYLES & CO L P and 13F Hedge Fund Stock Holdings

LOOMIS SAYLES & CO L P is a hedge fund based in Boston, MA. On 2026-05-14, the fund reported it's updated stock portfolio. In the 13F Holdings report, LOOMIS SAYLES & CO L P reported an equity portfolio of $74.3 Billions as of 31 Mar, 2026.

The top stock holdings of LOOMIS SAYLES & CO L P are NVDA, GOOG, TSLA. The fund has invested 9.6% of it's portfolio in NVIDIA CORP and 6.7% of portfolio in ALPHABET INC-CL A.

The fund managers got completely rid off PIPER SANDLER COS (PIPR), WAVE LIFE SCIENCES PTE LTD (WVE) and CHIPOTLE MEXICAN GRILL INC (CMG) stocks. They significantly reduced their stock positions in PENUMBRA INC (PEN), GEN MILLS (GIS) and FIVE9 INC (FIVN). LOOMIS SAYLES & CO L P opened new stock positions in PIPER SANDLER COS (PIPR), PTC THERAPEUTICS INC (PTCT) and ADEIA INC. The fund showed a lot of confidence in some stocks as they added substantially to INTAPP INC (INTA), BOOKING HOLDINGS INC (BKNG) and PALO ALTO NETWORKS INC (PANW).
LOOMIS SAYLES & CO L P Equity Portfolio Value
Last Reported on: 14 May, 2026

LOOMIS SAYLES & CO L P Annual Return Estimates Vs S&P 500

Our best estimate is that LOOMIS SAYLES & CO L P made a return of -9.74% in the last quarter. In trailing 12 months, it's portfolio return was 12.25%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
piper sandler cos41,057,700
ptc therapeutics inc33,629,200
adeia inc32,054,600
twist bioscience corp23,393,600
nuveen credit strat incm22,044,000
nuveen float rate inc fd21,785,700
silicon motion technol-adr21,183,800
super group sghc ltd20,169,600
New stocks bought by LOOMIS SAYLES & CO L P

Additions

Ticker% Inc.
intapp inc50,118
booking holdings inc6,096
palo alto networks inc3,591
tetra tech inc cvt2,700
hubspot inc1,917
advanced micro1,875
james hardie inds adr1,416
rivian auto inc cvt1,071
Additions to existing portfolio by LOOMIS SAYLES & CO L P

Reductions

Ticker% Reduced
boeing co/the cvtpfd 6.0-92.88
core & main inc-class a-87.31
iqvia holdings inc-87.29
travel plus leisure co-87.23
bancorp inc-87.1
lithia motors inc - cl a-85.58
first watch restaurant group-83.22
ishares 0-5 yr hy corp bond-66.9
LOOMIS SAYLES & CO L P reduced stake in above stock

Sold off

None of the stocks were completely sold off by LOOMIS SAYLES & CO L P

Sector Distribution

LOOMIS SAYLES & CO L P has about 23.5% of it's holdings in Technology sector.

  • Technology
  • Communication Services
  • Consumer Cyclical
  • Healthcare
  • Industrials
  • Financial Services
  • Others
  • Consumer Defensive
Sector%
Technology23.5
Communication Services20.5
Consumer Cyclical17.4
Healthcare9.5
Industrials9.1
Financial Services8
Others7.8
Consumer Defensive3.2

Market Cap. Distribution

LOOMIS SAYLES & CO L P has about 84.5% of it's portfolio invested in the large-cap and mega-cap stocks.

  • MEGA-CAP
  • LARGE-CAP
  • UNALLOCATED
  • MID-CAP
Category%
MEGA-CAP51.8
LARGE-CAP32.7
UNALLOCATED7.8
MID-CAP6.9

Stocks belong to which Index?

About 86.6% of the stocks held by LOOMIS SAYLES & CO L P either belong to S&P 500 or RUSSELL 2000 index.

  • S&P 500
  • Others
  • RUSSELL 2000
Index%
S&P 50080.9
Others13.4
RUSSELL 20005.7
Top 5 Winners (%)%
VIAV
viavi solution inc
83.6 %
sandisk corp
83.3 %
silvaco group inc
74.8 %
POWL
powell industries inc
59.7 %
solstice advanced materials
55.7 %
Top 5 Winners ($)$
DE
deere & co
134.6 M
NFLX
netflix.com inc
89.9 M
NVS
novartis ag spon adr
81.5 M
SBUX
starbucks corp
50.7 M
AEIS
advanced energy inds
46.8 M
Top 5 Losers (%)%
DOCS
doximity inc-class a
-47.3 %
NCNO
ncino inc
-41.1 %
WDAY
workday inc
-39.4 %
AGYS
agilysys inc
-38.6 %
DKNG
draftkings inc
-37.3 %
Top 5 Losers ($)$
TSLA
tesla inc
-986.5 M
ORCL
oracle corp
-789.6 M
MSFT
microsoft corp
-684.1 M
META
meta platforms inc
-653.4 M
SHOP
shopify inc - class a
-611.4 M

LOOMIS SAYLES & CO L P Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of LOOMIS SAYLES & CO L P

LOOMIS SAYLES & CO L P has 670 stocks in it's portfolio. About 52.3% of the portfolio is in top 10 stocks. TSLA proved to be the most loss making stock for the portfolio. DE was the most profitable stock for LOOMIS SAYLES & CO L P last quarter.

Last Reported on: 14 May, 2026
TickerNamesorted ascending% PortfolioShares Held$ ValueType% ChangeOptions