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Loomis, Sayles & Company

Loomis, Sayles & Company Portfolio holdings

AUM $74.3B
1-Year Est. Return 24.01%
This Fund
S&P 500
This Quarter Est. Return
+10.07%
1 Year Est. Return
+24.01%
3 Year Est. Return
+109.67%
5 Year Est. Return
+145.58%
10 Year Est. Return
+623.12%
AUM
$84.1B
AUM Growth
+$4.28B
Cap. Flow
-$1.24B
Cap. Flow %
-1.48%
Top 10 Hldgs %
54.05%
Holding
789
New
67
Increased
250
Reduced
339
Closed
77

Top Buys

Rank Stock Value
1
NVO
Novo Nordisk
NVO
+$210M
2
VRTX icon
Vertex Pharmaceuticals
VRTX
+$129M
3
HLT icon
Hilton Worldwide
HLT
+$88M
4
V icon
Visa
V
+$82.9M
5
TT icon
Trane Technologies
TT
+$50.3M

Top Sells

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$231M
2
AMZN icon
Amazon
AMZN
+$230M
3
ALSN icon
Allison Transmission
ALSN
+$189M
4
NVDA icon
NVIDIA
NVDA
+$186M
5
ORCL icon
Oracle
ORCL
+$125M

Sector Composition

Rank Sector Weight
1 Technology 30.29%
2 Communication Services 19.88%
3 Consumer Discretionary 16.67%
4 Healthcare 10.59%
5 Financials 8.73%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LGND icon
76
Ligand Pharmaceuticals
LGND
$5.85B
$71M 0.08%
400,553
-10,344
-3% -$1.54M
INSM icon
77
Insmed
INSM
$28.9B
$70.9M 0.08%
492,296
-301,273
-38% -$36.9M
UNH icon
78
UnitedHealth
UNH
$364B
$69M 0.08%
199,832
-385,406
-66% -$117M
MRCY icon
79
Mercury Systems
MRCY
$6.7B
$68.5M 0.08%
884,615
-107,995
-11% -$6.71M
HLNE icon
80
Hamilton Lane
HLNE
$5.69B
$68.2M 0.08%
505,796
-14,970
-3% -$2.26M
BOOT icon
81
Boot Barn
BOOT
$4.87B
$67M 0.08%
404,259
+61,768
+18% +$10.6M
TCOM icon
82
Trip.com Group
TCOM
$28.7B
$66.2M 0.08%
880,944
+21,649
+3% +$1.45M
CWST icon
83
Casella Waste Systems
CWST
$5.76B
$66.1M 0.08%
696,540
-20,016
-3% -$2.02M
VRNS icon
84
Varonis Systems
VRNS
$4.82B
$65.5M 0.08%
1,139,191
-29,410
-3% -$1.63M
SLAB icon
85
Silicon Laboratories
SLAB
$7.22B
$65.4M 0.08%
498,810
+17,955
+4% +$2.45M
MIR icon
86
Mirion Technologies
MIR
$3.79B
$64.2M 0.08%
2,761,535
+1,169,847
+73% +$25.3M
ITT icon
87
ITT
ITT
$19.4B
$64M 0.08%
357,908
-14,935
-4% -$2.51M
RMBS icon
88
Rambus
RMBS
$11B
$63.6M 0.08%
610,153
+389,925
+177% +$30.1M
MTSI icon
89
MACOM Technology Solutions
MTSI
$23.7B
$63.1M 0.08%
507,005
-13,086
-3% -$1.73M
ALKS icon
90
Alkermes
ALKS
$8.44B
$61.5M 0.07%
2,048,851
-61,043
-3% -$1.72M
SUPN icon
91
Supernus Pharmaceuticals
SUPN
$2.78B
$61.5M 0.07%
1,285,937
-11,921
-0.9% -$480K
MRX
92
Marex Group Limited Ordinary Shares
MRX
$5.12B
$60.1M 0.07%
1,786,767
+19,335
+1% +$698K
MGY icon
93
Magnolia Oil & Gas
MGY
$6.25B
$59.8M 0.07%
2,505,136
-75,512
-3% -$1.8M
PJT icon
94
PJT Partners
PJT
$4.36B
$59.6M 0.07%
335,207
+11,233
+3% +$2.02M
RDNT icon
95
RadNet
RDNT
$6.06B
$59.3M 0.07%
778,209
-20,090
-3% -$1.3M
CRSP icon
96
CRISPR Therapeutics
CRSP
$5.22B
$59M 0.07%
909,714
+52,827
+6% +$3.03M
BA.PRA
97
Boeing Co 6.00% Series A Preferred Stock
BA.PRA
$8.19B
$58.5M 0.07%
270,909
-300,401
-53% -$21.7M
HXL icon
98
Hexcel
HXL
$7.74B
$58M 0.07%
924,929
-27,600
-3% -$1.69M
CIGI icon
99
Colliers International
CIGI
$5.15B
$57.9M 0.07%
370,604
+25,541
+7% +$3.93M
AIT icon
100
Applied Industrial Technologies
AIT
$13B
$57.6M 0.07%
220,756
-5,697
-3% -$1.49M
2 3
4
5 6

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Loomis, Sayles & Company's Q3 2025 Portfolio in Review

As of Q3 2025, Loomis, Sayles & Company held 789 positions worth $84.1B, up 5.4% from $79.8B the previous quarter. Its ten largest holdings account for 54% of the portfolio.

Loomis, Sayles & Company's Q3 2025 filing shows 67 new, 250 increased, 339 reduced and 77 closed positions. Its largest new stake was Extreme Networks: 2,220,998 shares worth $45.9M. The largest sale was Alibaba, an estimated $231M.

By sector, the portfolio is most concentrated in Technology at 30% of assets, up from 29% a quarter earlier, followed by Communication Services and Consumer Discretionary.

  • Loomis, Sayles & Company's largest Q3 2025 buy was Extreme Networks: 2,220,998 shares worth $45.9M.
  • Loomis, Sayles & Company added most to Novo Nordisk in Q3 2025, an estimated $210M increase.
  • Loomis, Sayles & Company's biggest Q3 2025 reduction was Alibaba, cutting an estimated $231M.
  • Loomis, Sayles & Company fully exited Clearwater Analytics in Q3 2025, selling an estimated $58M.
  • Loomis, Sayles & Company's ten largest holdings make up 54% of its $84.1B portfolio in Q3 2025.
  • Loomis, Sayles & Company opened 67 new positions and closed 77 in Q3 2025.
  • Loomis, Sayles & Company's portfolio value rose 5.4% quarter-over-quarter to $84.1B.

Based on Loomis, Sayles & Company's 13F filing for Q3 2025, filed 13 Nov 2025.