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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
+19.69%
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
$79.8B
AUM Growth
+$10.6B
Cap. Flow
-$793M
Cap. Flow %
-0.99%
Top 10 Hldgs %
52.08%
Holding
831
New
100
Increased
245
Reduced
314
Closed
111

Top Buys

Rank Stock Value
1
REGN icon
Regeneron Pharmaceuticals
REGN
+$170M
2
DE icon
Deere & Co
DE
+$143M
3
KLAC icon
KLA
KLAC
+$71.9M
4
HLT icon
Hilton Worldwide
HLT
+$39.1M
5
UNH icon
UnitedHealth
UNH
+$38.8M

Top Sells

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$164M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$137M
3
NFLX icon
Netflix
NFLX
+$102M
4
META icon
Meta Platforms (Facebook)
META
+$86.4M
5
V icon
Visa
V
+$69.4M

Sector Composition

Rank Sector Weight
1 Technology 28.66%
2 Communication Services 20.3%
3 Consumer Discretionary 16.22%
4 Healthcare 11.13%
5 Financials 9.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CIEN icon
176
Ciena
CIEN
$61.2B
$29.1M 0.04%
357,448
-63,453
-15% -$4.55M
GWRE icon
177
Guidewire Software
GWRE
$14.4B
$29M 0.04%
123,062
-21,856
-15% -$4.7M
AXSM icon
178
Axsome Therapeutics
AXSM
$11.2B
$29M 0.04%
277,465
-6,705
-2% -$710K
LNTH icon
179
Lantheus
LNTH
$6.57B
$28.9M 0.04%
353,004
+69,484
+25% +$6.1M
AKRO
180
DELISTED
Akero Therapeutics
AKRO
$28.9M 0.04%
540,788
+51,850
+11% +$2.36M
NTRA icon
181
Natera
NTRA
$45.5B
$28.8M 0.04%
170,643
-82,680
-33% -$12.9M
POST icon
182
Post Holdings
POST
$3.65B
$28.8M 0.04%
263,806
+14,300
+6% +$1.6M
MIRM icon
183
Mirum Pharmaceuticals
MIRM
$6.04B
$28.1M 0.04%
552,957
-13,198
-2% -$588K
KAI icon
184
Kadant
KAI
$3.94B
$27.8M 0.03%
87,644
+3,141
+4% +$983K
AX icon
185
Axos Financial
AX
$5.68B
$27.8M 0.03%
364,970
-64,928
-15% -$4.39M
PLNT icon
186
Planet Fitness
PLNT
$3.65B
$27.4M 0.03%
251,152
+13,993
+6% +$1.4M
PKG icon
187
Packaging Corp of America
PKG
$22.8B
$27.1M 0.03%
143,831
+49,756
+53% +$9.4M
PRVA icon
188
Privia Health
PRVA
$2.75B
$27.1M 0.03%
1,177,097
-209,424
-15% -$4.85M
MBLY icon
189
Mobileye
MBLY
$7.48B
$27M 0.03%
1,502,194
-30,053
-2% -$459K
CNXC icon
190
Concentrix
CNXC
$1.5B
$27M 0.03%
510,796
+8,960
+2% +$473K
UAA icon
191
Under Armour
UAA
$2.26B
$26.8M 0.03%
3,927,286
-36,134
-0.9% -$225K
LAUR icon
192
Laureate Education
LAUR
$5.1B
$26.8M 0.03%
1,146,242
-593,575
-34% -$12.7M
APG icon
193
APi Group
APG
$18.8B
$26.7M 0.03%
784,754
-43,665
-5% -$1.25M
SRRK icon
194
Scholar Rock
SRRK
$6.55B
$26.3M 0.03%
742,939
-17,706
-2% -$556K
PEN icon
195
Penumbra
PEN
$12.9B
$26.1M 0.03%
101,740
-17,804
-15% -$4.85M
ASND icon
196
Ascendis Pharma A/S
ASND
$16.8B
$25.6M 0.03%
148,497
-26,416
-15% -$4.3M
CXT icon
197
Crane NXT
CXT
$2.99B
$25.2M 0.03%
466,630
+32,423
+7% +$1.65M
AMTM
198
Amentum Holdings
AMTM
$5.5B
$25M 0.03%
1,059,209
+623,535
+143% +$13M
WEX icon
199
WEX
WEX
$6.48B
$24.7M 0.03%
168,287
+5,085
+3% +$683K
FIVN icon
200
FIVE9
FIVN
$2.33B
$24.6M 0.03%
929,899
+395,581
+74% +$10.3M
6 7
8
9 10

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Loomis, Sayles & Company's Q2 2025 Portfolio in Review

As of Q2 2025, Loomis, Sayles & Company held 831 positions worth $79.8B, up 15% from $69.2B the previous quarter. Its ten largest holdings account for 52% of the portfolio.

Loomis, Sayles & Company's Q2 2025 filing shows 100 new, 245 increased, 314 reduced and 111 closed positions. Its largest new stake was iRhythm Holdings: 255,517 shares worth $39.3M. The largest sale was Alibaba, an estimated $164M.

By sector, the portfolio is most concentrated in Technology at 29% of assets, up from 26% a quarter earlier, followed by Communication Services and Consumer Discretionary.

  • Loomis, Sayles & Company's largest Q2 2025 buy was iRhythm Holdings: 255,517 shares worth $39.3M.
  • Loomis, Sayles & Company added most to Regeneron Pharmaceuticals in Q2 2025, an estimated $170M increase.
  • Loomis, Sayles & Company's biggest Q2 2025 reduction was Alibaba, cutting an estimated $164M.
  • Loomis, Sayles & Company fully exited Columbia Sportswear in Q2 2025, selling an estimated $37.9M.
  • Loomis, Sayles & Company's ten largest holdings make up 52% of its $79.8B portfolio in Q2 2025.
  • Loomis, Sayles & Company opened 100 new positions and closed 111 in Q2 2025.
  • Loomis, Sayles & Company's portfolio value rose 15% quarter-over-quarter to $79.8B.

Based on Loomis, Sayles & Company's 13F filing for Q2 2025, filed 13 Aug 2025.