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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
-8.36%
1 Year Est. Return
+24.01%
3 Year Est. Return
+109.67%
5 Year Est. Return
+145.58%
10 Year Est. Return
+623.08%
AUM
$74.3B
AUM Growth
-$8.62B
Cap. Flow
-$532M
Cap. Flow %
-0.72%
Top 10 Hldgs %
52.32%
Holding
784
New
89
Increased
180
Reduced
401
Closed
66

Top Buys

Rank Stock Value
1
BKNG icon
Booking.com
BKNG
+$556M
2
NVDA icon
NVIDIA
NVDA
+$117M
3
ORCL icon
Oracle
ORCL
+$104M
4
AMZN icon
Amazon
AMZN
+$79.8M
5
EXPE icon
Expedia Group
EXPE
+$77.5M

Top Sells

Rank Stock Value
1
ILMN icon
Illumina
ILMN
+$161M
2
PH icon
Parker-Hannifin
PH
+$138M
3
CMI icon
Cummins
CMI
+$94.8M
4
MTD icon
Mettler-Toledo International
MTD
+$82.8M
5
HD icon
Home Depot
HD
+$77.6M

Sector Composition

Rank Sector Weight
1 Technology 26.44%
2 Communication Services 20.45%
3 Consumer Discretionary 17.53%
4 Healthcare 11.66%
5 Industrials 9.52%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IWF icon
151
iShares Russell 1000 Growth ETF
IWF
$120B
$33M 0.04%
309,412
+213,168
+221% +$24.2M
XENE icon
152
Xenon Pharmaceuticals
XENE
$6.2B
$32.8M 0.04%
564,897
-47,135
-8% -$2.17M
MOD icon
153
Modine Manufacturing
MOD
$10.3B
$32.7M 0.04%
150,695
-49,626
-25% -$9.34M
AGM icon
154
Federal Agricultural Mortgage
AGM
$2.39B
$32.4M 0.04%
218,503
-6,822
-3% -$1.12M
BKLN icon
155
Invesco Senior Loan ETF
BKLN
$6.97B
$32.4M 0.04%
1,586,632
-341,939
-18% -$7.06M
AIT icon
156
Applied Industrial Technologies
AIT
$12.6B
$32.2M 0.04%
121,246
-89,656
-43% -$24.4M
ADEA icon
157
Adeia
ADEA
$2.8B
$32.1M 0.04%
+1,333,941
New +$27M
INSM icon
158
Insmed
INSM
$22B
$31.9M 0.04%
194,982
-4,973
-2% -$765K
BIDU icon
159
Baidu
BIDU
$36.5B
$31.9M 0.04%
286,103
+31,516
+12% +$4.27M
SRRK icon
160
Scholar Rock
SRRK
$5.87B
$31.4M 0.04%
638,629
-53,284
-8% -$2.39M
VCEL icon
161
Vericel Corp
VCEL
$2.43B
$31.4M 0.04%
975,447
-81,258
-8% -$2.89M
DCO icon
162
Ducommun
DCO
$2.77B
$30.8M 0.04%
252,529
-21,076
-8% -$2.52M
WK icon
163
Workiva
WK
$3.29B
$30.7M 0.04%
514,936
+61,485
+14% +$4.29M
APGE icon
164
Apogee Therapeutics
APGE
$10.2B
$30.5M 0.04%
362,781
+107,342
+42% +$7.8M
PCOR icon
165
Procore
PCOR
$8.12B
$30.1M 0.04%
527,981
-44,046
-8% -$2.61M
CACI icon
166
CACI
CACI
$10.5B
$30M 0.04%
55,190
+26,562
+93% +$16M
CRL icon
167
Charles River Laboratories
CRL
$11.3B
$29.5M 0.04%
170,982
+108,438
+173% +$20.1M
LAUR icon
168
Laureate Education
LAUR
$5.38B
$29.3M 0.04%
839,885
-21,526
-2% -$737K
MKSI icon
169
MKS Inc
MKSI
$19.8B
$29.2M 0.04%
127,131
-57,102
-31% -$12.9M
NVMI
170
Nova
NVMI
$12.5B
$29M 0.04%
66,746
-9,558
-13% -$4.21M
CHDN icon
171
Churchill Downs
CHDN
$5.76B
$29M 0.04%
322,396
-4,606
-1% -$438K
EVTC icon
172
Evertec
EVTC
$1.95B
$28.9M 0.04%
1,024,262
-85,464
-8% -$2.43M
BELFB
173
Bel Fuse Inc Class B
BELFB
$3.6B
$28.8M 0.04%
145,648
-55,064
-27% -$11.5M
TARS icon
174
Tarsus Pharmaceuticals
TARS
$2.6B
$28.6M 0.04%
407,836
-34,037
-8% -$2.38M
NTRA icon
175
Natera
NTRA
$38.6B
$28.4M 0.04%
142,019
-3,568
-2% -$768K
5 6
7
8 9

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Loomis, Sayles & Company's Q1 2026 Portfolio in Review

As of Q1 2026, Loomis, Sayles & Company held 784 positions worth $74.3B, down 10% from $83B the previous quarter. Its ten largest holdings account for 52% of the portfolio.

Loomis, Sayles & Company's Q1 2026 filing shows 89 new, 180 increased, 401 reduced and 66 closed positions. Its largest new stake was PTC Therapeutics: 493,603 shares worth $33.6M. The largest sale was Illumina, an estimated $161M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 28% a quarter earlier, followed by Communication Services and Consumer Discretionary.

  • Loomis, Sayles & Company's largest Q1 2026 buy was PTC Therapeutics: 493,603 shares worth $33.6M.
  • Loomis, Sayles & Company added most to Booking.com in Q1 2026, an estimated $556M increase.
  • Loomis, Sayles & Company's biggest Q1 2026 reduction was Illumina, cutting an estimated $161M.
  • Loomis, Sayles & Company fully exited Wave Life Sciences in Q1 2026, selling an estimated $34.7M.
  • Loomis, Sayles & Company's ten largest holdings make up 52% of its $74.3B portfolio in Q1 2026.
  • Loomis, Sayles & Company opened 89 new positions and closed 66 in Q1 2026.
  • Loomis, Sayles & Company's portfolio value fell 10% quarter-over-quarter to $74.3B.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.