13F INSTITUTION · CIK 0000312348 · 2026-Q2 · filed Aug 14, 2026

Loomis Sayles & Co L P

LOOMIS SAYLES & CO L P
$79.8B
13F long value · 2026-Q2
Positions707
CategoryAsset Manager
Quarters tracked9
▲ #133 of 581 by 13F value
Size rank 8/10
37 NEW104 ADD28 2×+50 TRIM32 NEAR EXIT20 EXIT
Snapshot
Loomis Sayles & Co L P's 13F portfolio at a glance — size, concentration and this quarter's activity.
13F value (AUM)
$79.8B
Positions
707 (88 unmapped)
Top 100 weight
90.2%
Quarters tracked
9
Latest 13F filed
Aug 14, 2026
New positions
37
Exits / near-exits
52
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
$72.6M
2024-Q2
$76.2M
2024-Q3
$79.2M
2024-Q4
$69.2M
2025-Q1
$79.8B
2025-Q2
$84.1B
2025-Q3
$83.0B
2025-Q4
$74.3B
2026-Q1
$79.8B
2026-Q2
Top holdings — 2026-Q2
The fund's largest reported positions. The 100 shown cover 90.2% of the portfolio.
TickerIssuerWeightValueSharesSince 2026-Q2
NVDA NVIDIA CORP9.9%$7.9B39.5M+15.4%
GOOGL ALPHABET INC-CL A7.7%$6.2B17.2M-5.4%
TSLA TESLA INC6.7%$5.3B12.7M-15.8%
AMZN AMAZON.COM INC5.5%$4.4B18.3M+4.1%
META META PLATFORMS INC5.3%$4.2B7.5M+28.9%
V VISA INC-CLASS A SHRS3.9%$3.1B9.1M+4.9%
BA BOEING CO3.8%$3.0B13.9M-11.2%
MSFT MICROSOFT CORP3.6%$2.9B7.8M+37.5%
NFLX NETFLIX.COM INC3.6%$2.9B40.0M-5.0%
ORCL ORACLE CORP3.1%$2.4B16.7M+18.0%
MNST MONSTER BEVERAGE CORPORATION3.0%$2.4B24.8M-20.0%
VRTX VERTEX PHARMACEUTICALS INC2.4%$1.9B3.9M-14.2%
SHOP SHOPIFY INC - CLASS A2.1%$1.6B14.4M+8.8%
DIS THE WALT DISNEY CO1.6%$1.3B13.6M+5.3%
ADSK AUTODESK INC1.5%$1.2B6.3M+20.9%
Quarterly changes — 2026-Q2
What Loomis Sayles & Co L P opened, added, trimmed and exited this quarter, largest dollar moves first.
ActionTickerIssuerPrev sharesCurr sharesChangeValue Δ
ADDMSFTMICROSOFT CORP6.1M7.8M+28.3%+$657.5M
NEAR EXITQCOMQUALCOMM INC4.2M183.7K-95.6%-$506.9M
2×+AVGOBROADCOM INC62.9K871.1K+1283.8%+$309.6M
NEAR EXITPYPLPAYPAL HOLDINGS INC6.3M252.1K-96.0%-$275.3M
TRIMYUMCYUM CHINA HOLDINGS INC4.3M1.7M-60.1%-$139.5M
TRIM—ECHOSTAR CORP CVT1.6M543.1K-65.3%-$128.0M
2×+BKNGBOOKING HOLDINGS INC122.9K3.4M+2678.4%+$91.2M
NEW—ALPHABET INC CVTPFD 6.25—206.0K—+$72.8M
NEAR EXITEXPEEXPEDIA INC391.4K71.3K-81.8%-$72.1M
2×+—UBER TECHNOLOGIES INC CVT179.4K1.1M+530.7%+$68.7M
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.
NVDA 9.9%
GOOGL 7.7%
TSLA 6.7%
AMZN 5.5%
META 5.3%
V 3.9%
BA 3.8%
MSFT 3.6%
NFLX 3.6%
ORCL 3.1%