LOOMIS SAYLES & CO L P — 13F Holdings & Portfolio
CIK 312348 · latest 13F-HR filed 2026-05-14
LOOMIS SAYLES & CO L P manages $74.33B in 13F-reported U.S. long-equity assets across 1,168 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVDA (8.43%), GOOGL (5.88%), TSLA (5.52%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 90 new positions, exited 67, added to 198, and trimmed 326.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$74.33B
Long-equity book
1,168
Distinct positions
2026-03-31
Filed 2026-05-14
+90 / −67 / ↑198 / ↓326
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- BOOKING HOLDINGS INC$506.7M +4771.7%
- DEERE & CO$131.8M +20.5%
- EXPEDIA INC$68.9M +320.4%
- NOVARTIS AG SPON ADR$65.8M +8.6%
- TYLER TECHNOLOGIES INC$51.9M +397.9%
Top Trims
- TESLA INC-$984.3M -17.3%
- ORACLE CORP-$680.4M -21.5%
- MICROSOFT CORP-$655.7M -22.6%
- META PLATFORMS INC-$626.8M -12.8%
- SHOPIFY INC - CLASS A-$620.7M -26.6%
New Positions
- PIPER SANDLER COS$41.1M
- PTC THERAPEUTICS INC$33.6M
- ADEIA INC$32.1M
- TWIST BIOSCIENCE CORP$23.4M
- NUVEEN CREDIT STRAT INCM$22.0M
Exited Positions
- PIPER SANDLER COS$49.4M
- WAVE LIFE SCIENCES PTE LTD$34.7M
- CHIPOTLE MEXICAN GRILL INC$34.2M
- ADOBE SYS$33.3M
- BUILDERS FIRSTSOURCE INC$30.4M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | NVIDIA CORP | NVDA | 67066G104 | $6.26B | 8.43% | 35,910,375 | SH |
| 2 | ALPHABET INC-CL A | GOOGL | 02079K305 | $4.37B | 5.88% | 15,205,057 | SH |
| 3 | TESLA INC | TSLA | 88160R101 | $4.10B | 5.52% | 11,032,342 | SH |
| 4 | META PLATFORMS INC | META | 30303M102 | $3.73B | 5.02% | 6,524,530 | SH |
| 5 | AMAZON.COM INC | AMZN | 023135106 | $3.37B | 4.53% | 16,166,219 | SH |
| 6 | NETFLIX.COM INC | NFLX | 64110L106 | $3.19B | 4.29% | 33,160,694 | SH |
| 7 | VISA INC-CLASS A SHRS | V | 92826C839 | $2.45B | 3.30% | 8,104,076 | SH |
| 8 | BOEING CO | BA | 097023105 | $2.44B | 3.28% | 12,266,456 | SH |
| 9 | ORACLE CORP | ORCL | 68389X105 | $2.17B | 2.93% | 14,782,193 | SH |
| 10 | MICROSOFT CORP | MSFT | 594918104 | $1.97B | 2.65% | 5,318,754 | SH |
| 11 | MONSTER BEVERAGE CORPORATION | MNST | 61174X109 | $1.65B | 2.22% | 22,811,591 | SH |
| 12 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | $1.57B | 2.11% | 3,508,839 | SH |
| 13 | SHOPIFY INC - CLASS A | SHOP | 82509L107 | $1.51B | 2.03% | 12,694,386 | SH |
| 14 | REGENERON PHARMACEUTICALS | REGN | 75886F107 | $1.30B | 1.74% | 1,678,623 | SH |
| 15 | AUTODESK INC | ADSK | 052769106 | $1.21B | 1.63% | 5,051,062 | SH |
| 16 | THE WALT DISNEY CO | DIS | 254687106 | $1.18B | 1.59% | 12,264,097 | SH |
| 17 | SALESFORCE.COM INC | CRM | 79466L302 | $999.8M | 1.35% | 5,355,783 | SH |
| 18 | NVIDIA CORP | NVDA | 67066G104 | $883.6M | 1.19% | 5,066,667 | SH |
| 19 | STARBUCKS CORP | SBUX | 855244109 | $737.2M | 0.99% | 8,228,307 | SH |
| 20 | ALPHABET INC-CL C | GOOG | 02079K107 | $737.0M | 0.99% | 2,569,289 | SH |
| 21 | NOVARTIS AG SPON ADR | NVS | 66987V109 | $725.1M | 0.98% | 4,747,111 | SH |
| 22 | EXPEDITORS INTL WASH INC | EXPD | 302130109 | $706.2M | 0.95% | 4,930,692 | SH |
| 23 | INTUITIVE SURGICAL INC | ISRG | 46120E602 | $687.9M | 0.93% | 1,492,284 | SH |
| 24 | DEERE & CO | DE | 244199105 | $681.5M | 0.92% | 1,209,886 | SH |
| 25 | ALPHABET INC-CL A | GOOGL | 02079K305 | $613.8M | 0.83% | 2,134,537 | SH |
| 26 | TESLA INC | TSLA | 88160R101 | $603.2M | 0.81% | 1,622,669 | SH |
| 27 | SEI INVESTMENTS CO | SEIC | 784117103 | $596.2M | 0.80% | 7,597,202 | SH |
| 28 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $583.0M | 0.78% | 1,186,100 | SH |
| 29 | NOVO-NORDISK A/S SPONS ADR | NVO | 670100205 | $544.7M | 0.73% | 14,822,911 | SH |
| 30 | META PLATFORMS INC | META | 30303M102 | $529.5M | 0.71% | 925,571 | SH |
| 31 | BOOKING HOLDINGS INC | BKNG | 09857L108 | $515.8M | 0.69% | 122,515 | SH |
| 32 | YUM! BRANDS INC | YUM | 988498101 | $508.1M | 0.68% | 3,267,898 | SH |
| 33 | QUALCOMM INC | QCOM | 747525103 | $475.7M | 0.64% | 3,693,997 | SH |
| 34 | NETFLIX.COM INC | NFLX | 64110L106 | $462.8M | 0.62% | 4,812,851 | SH |
| 35 | AMAZON.COM INC | AMZN | 023135106 | $449.8M | 0.61% | 2,159,551 | SH |
| 36 | BLOCK INC | XYZ | 852234103 | $394.1M | 0.53% | 6,547,886 | SH |
| 37 | NIKE INC CL B | NKE | 654106103 | $366.5M | 0.49% | 6,939,576 | SH |
| 38 | BOEING CO | BA | 097023105 | $357.4M | 0.48% | 1,795,498 | SH |
| 39 | VISA INC-CLASS A SHRS | V | 92826C839 | $347.5M | 0.47% | 1,149,785 | SH |
| 40 | ILLUMINA INC | ILMN | 452327109 | $319.0M | 0.43% | 2,588,260 | SH |
| 41 | MASTERCARD INC-CLASS A | MA | 57636Q104 | $305.4M | 0.41% | 611,269 | SH |
| 42 | ORACLE CORP | ORCL | 68389X105 | $302.6M | 0.41% | 2,057,047 | SH |
| 43 | S&P GLOBAL | SPGI | 78409V104 | $286.9M | 0.39% | 674,466 | SH |
| 44 | FACTSET RESEARCH SYSTEMS INC | FDS | 303075105 | $281.8M | 0.38% | 1,298,670 | SH |
| 45 | MICROSOFT CORP | MSFT | 594918104 | $275.6M | 0.37% | 744,573 | SH |
| 46 | PAYPAL HOLDINGS INC | PYPL | 70450Y103 | $250.7M | 0.34% | 5,542,749 | SH |
| 47 | WORKDAY INC | WDAY | 98138H101 | $238.9M | 0.32% | 1,838,480 | SH |
| 48 | MONSTER BEVERAGE CORPORATION | MNST | 61174X109 | $224.2M | 0.30% | 3,093,633 | SH |
| 49 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | $221.0M | 0.30% | 494,982 | SH |
| 50 | HILTON WORLDWIDE HOLDINGS IN | HLT | 43300A203 | $220.7M | 0.30% | 725,695 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-14 | $74.33B | 1,168 | 0000312348-26-000026 |
| 2025-12-31 | 2026-02-12 | $82.95B | 1,124 | 0000312348-26-000014 |
| 2025-09-30 | 2025-11-13 | $84.08B | 1,132 | 0000312348-25-000035 |