LOOMIS SAYLES & CO L P
Long book
$74.33B
Q1 2026
Positions
718
Top-10 weight
52%
concentration
Last quarter
+10.4%
SPY +14.8%
Turnover
20%
of book per quarter
Strategy in plain words
auto-generated from filingsLOOMIS SAYLES & CO L P is an institutional manager, running a $74.33B US long book across 718 positions.
The portfolio is concentrated: the top 10 names carry 52% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: NVIDIA CORP, ALPHABET INC-CL A, TESLA INC, META PLATFORMS INC-CLASS A, AMAZON.COM INC.
Over the last 9 quarters its long book ran on average 0.9pp per quarter behind the S&P 500, beating the index in 2 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+3.4%
Q2 2024
+5.5%
Q3 2024
+7.4%
Q4 2024
-8.6%
Q1 2025
+16.9%
Q2 2025
+7.0%
Q3 2025
+0.4%
Q4 2025
-9.7%
Q1 2026
+10.4%
Sector allocation
Technology 42%
Industrials 17%
Services media 14%
Consumer discretionary 9%
Healthcare 9%
Financials 3%
Consumer staples 3%
Other 2%
Long book by quarter
What does LOOMIS SAYLES own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 41.0M | $7.15B | 9.6% | +1.6% |
| GOOGL ALPHABET INC-CL A | Technology | 17.3M | $4.99B | 6.7% | +1.1% |
| TSLA TESLA INC | Industrials | 12.7M | $4.70B | 6.3% | 0.0% |
| META META PLATFORMS INC-CLASS A | Technology | 7.5M | $4.26B | 5.7% | +0.6% |
| AMZN AMAZON.COM INC | Consumer discretionary | 18.3M | $3.82B | 5.1% | +2.0% |
| NFLX NETFLIX INC | Services media | 38.0M | $3.65B | 4.9% | +2.0% |
| BA BOEING CO/THE | Industrials | 14.1M | $2.80B | 3.8% | -0.7% |
| V VISA INC-CLASS A SHARES | Services media | 9.3M | $2.80B | 3.8% | +0.3% |
| ORCL ORACLE CORP | Technology | 16.8M | $2.48B | 3.3% | +3.9% |
| MSFT MICROSOFT CORP | Technology | 6.1M | $2.24B | 3.0% | +1.1% |
| MNST MONSTER BEVERAGE CORP | Consumer staples | 25.9M | $1.88B | 2.5% | -1.4% |
| VRTX VERTEX PHARMACEUTICALS INC | Healthcare | 4.0M | $1.79B | 2.4% | -0.7% |
| SHOP SHOPIFY INC - CLASS A | Technology | 14.4M | $1.71B | 2.3% | -0.5% |
| REGN REGENERON PHARMACEUTICALS | Healthcare | 1.9M | $1.48B | 2.0% | -1.1% |
| ADSK AUTODESK INC | Technology | 5.7M | $1.37B | 1.8% | -1.0% |
| DIS WALT DISNEY CO/THE | Services media | 14.0M | $1.35B | 1.8% | -1.3% |
| CRM SALESFORCE INC | Technology | 6.1M | $1.13B | 1.5% | -0.2% |
| SBUX STARBUCKS CORP | Consumer discretionary | 9.4M | $840.0M | 1.1% | -1.1% |
| GOOG ALPHABET INC-CL C | Technology | 2.8M | $816.9M | 1.1% | -1.3% |
| EXPD EXPEDITORS INTL WASH INC | Industrials | 5.6M | $804.2M | 1.1% | -1.4% |
| ISRG INTUITIVE SURGICAL INC | Healthcare | 1.7M | $783.5M | 1.1% | -0.9% |
| DE DEERE & CO | Industrials | 1.4M | $774.4M | 1.0% | -0.4% |
| SEIC SEI INVESTMENTS COMPANY | Financials | 8.6M | $677.1M | 0.9% | -1.3% |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 1.4M | $670.3M | 0.9% | -1.1% |
| YUM YUM! BRANDS INC | Consumer discretionary | 3.7M | $581.7M | 0.8% | -1.1% |
| QCOM QUALCOMM INC | Technology | 4.2M | $540.8M | 0.7% | -1.5% |
| BKNG BOOKING HOLDINGS INC | Industrials | 122.9K | $517.4M | 0.7% | +6096.5% |
| XYZ BLOCK INC | Technology | 7.4M | $446.8M | 0.6% | -1.3% |
| NKE NIKE INC -CL B | Other | 7.9M | $418.8M | 0.6% | -0.4% |
| ILMN ILLUMINA INC | Healthcare | 2.9M | $362.8M | 0.5% | -29.5% |
| FDS FACTSET RESEARCH SYSTEMS INC | Technology | 1.5M | $320.7M | 0.4% | -1.1% |
| MA MASTERCARD INC - A | Services media | 615.2K | $307.4M | 0.4% | +4.9% |
| SPGI S&P GLOBAL INC | Services media | 674.5K | $286.9M | 0.4% | +6.0% |
| PYPL PAYPAL HOLDINGS INC | Services media | 6.3M | $286.2M | 0.4% | -1.5% |
| WDAY WORKDAY INC-CLASS A | Technology | 2.1M | $270.1M | 0.4% | -0.8% |
| HLT HILTON WORLDWIDE HOLDINGS IN | Services media | 725.7K | $220.7M | 0.3% | -19.8% |
| PH PARKER HANNIFIN CORP | Industrials | 244.2K | $218.6M | 0.3% | -37.4% |
| TT TRANE TECHNOLOGIES PLC | Technology | 507.5K | $211.5M | 0.3% | +6.0% |
| YUMC YUM CHINA HOLDINGS INC | Consumer discretionary | 4.3M | $209.5M | 0.3% | -0.5% |
| BLK BLACKROCK INC | Financials | 209.6K | $201.5M | 0.3% | -23.7% |
| ORLY O'REILLY AUTOMOTIVE INC | Consumer discretionary | 2.1M | $194.6M | 0.3% | -12.9% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 192.6K | $192.0M | 0.3% | -8.8% |
| JPM JPMORGAN CHASE & CO | Financials | 640.5K | $188.4M | 0.3% | -9.6% |
| KLAC KLA CORP | Other | 124.8K | $183.7M | 0.2% | -9.7% |
| CMI CUMMINS INC | Industrials | 335.6K | $180.5M | 0.2% | -33.3% |
| GS GOLDMAN SACHS GROUP INC | Financials | 213.2K | $180.4M | 0.2% | -14.2% |
| ALNY ALNYLAM PHARMACEUTICALS INC | Healthcare | 512.1K | $169.4M | 0.2% | +4.7% |
| MELI MERCADOLIBRE INC | Services media | 91.2K | $157.7M | 0.2% | +0.8% |
| LIN LINDE PLC | Materials | 309.0K | $153.2M | 0.2% | -30.3% |
| ROP ROPER TECHNOLOGIES INC | Technology | 431.8K | $152.8M | 0.2% | -0.1% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 14, 2026 | 1168 | $74.33B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 12, 2026 | 1124 | $82.95B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 1132 | $84.08B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 13, 2025 | 1145 | $79.80B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 1086 | $69.20B | $K fixed canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 12, 2025 | 1079 | $79.23B | $K fixed canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 1044 | $76.16B | $K fixed canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 1079 | $72.55B | $K fixed canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 1058 | $70.31B | $K fixed canonical | SEC ↗ |
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