LOOMIS SAYLES & CO L PLOOMIS SAYLES & CO L P

Institutional investor · Portfolio as of Q1 2026

SEC EDGAR SourceSEC Filings

Top Holdings718 positions

Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction

NVIDIA CORPORATION

41M$7.1B9.6%$113.12+86.50%
29 qtrssince 2019-Q1
Increased
63

ALPHABET INC

17.3M$5B6.7%$98.39+263.02%
30 qtrssince 2018-Q4
Increased
63

TESLA INC

12.7M$4.7B6.3%$209.31+94.81%
23 qtrssince 2020-Q3
Increased
62

META PLATFORMS INC

7.5M$4.3B5.7%$141.13+374.18%
30 qtrssince 2018-Q4
Increased
62

AMAZON COM INC

18.3M$3.8B5.1%$110.75+121.53%
30 qtrssince 2018-Q4
Increased
63

NETFLIX INC.

38M$3.7B4.9%$87.53-16.18%
23 qtrssince 2020-Q3
Increased
60

BOEING CO

14.1M$2.8B3.8%$187.74+18.40%
30 qtrssince 2018-Q4
Decreased
0

VISA INC

9.3M$2.8B3.8%$137.29+154.19%
30 qtrssince 2018-Q4
Increased
59

ORACLE CORP

16.8M$2.5B3.3%$45.51+209.06%
30 qtrssince 2018-Q4
Increased
61

MICROSOFT CORP

6.1M$2.2B3.0%$102.15+277.00%
30 qtrssince 2018-Q4
Increased
59

MONSTER BEVERAGE CORP NEW

25.9M$1.9B2.5%$39.98+143.63%
30 qtrssince 2018-Q4
Decreased
0

VERTEX PHARMACEUTICALS INC

4M$1.8B2.4%$244.40+98.60%
26 qtrssince 2019-Q4
Decreased
0

SHOPIFY INC

14.4M$1.7B2.3%$42.10+191.08%
18 qtrssince 2021-Q4
Decreased
0

REGENERON PHARMACEUTICALS

1.9M$1.5B2.0%$463.10+43.49%
30 qtrssince 2018-Q4
Decreased
0

AUTODESK INC

5.7M$1.4B1.8%$137.45+51.66%
30 qtrssince 2018-Q4
Decreased
0

DISNEY WALT CO

14M$1.3B1.8%$120.89-20.90%
30 qtrssince 2018-Q4
Decreased
0

SALESFORCE INC

6.1M$1.1B1.5%$175.12-6.74%
25 qtrssince 2020-Q1
Decreased
0

STARBUCKS CORP

9.4M$840M1.1%$65.36+62.18%
30 qtrssince 2018-Q4
Decreased
0
NVSNVS
ADR

NOVARTIS AG

5.4M$828.8M1.1%$72.07+113.75%
30 qtrssince 2018-Q4
Decreased
0

ALPHABET INC

2.8M$816.9M1.1%$94.90+274.12%
30 qtrssince 2018-Q4
Decreased
0
Showing 20 of 718 results.698 more with Pro.PROUpgrade to see all →
$74.3B
AUM
718
Positions
Q1 2026
Filing
Rating · 2.5
Quarterly Portfolio Change
+4%Q4'24$79.2B-13%Q1'25$69.2B+15%Q2'25$79.8B+5%Q3'25$84.1B-1%Q4'25$83B-10%Q1'26$74.3B
Activity profile
$ moved · Q1'26
New4%Increased45%Decreased48%Exited3%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 4.7 years
<1Q5%1-4Q10%1-2Y8%2Y+77%

LOOMIS SAYLES & CO L P manages $74.3B across 718 positions as of Q1 2026. Top holdings: NVDA (9.6%), GOOGL (6.7%), TSLA (6.3%). Fund DNA: Steady Compounder. HoldingsIntel Rating: 2.5/5.0.

Q1 2026 Summary

Active quarter - 89 new positions, 66 exits, 181 increased. Top move: NVDA (INCREASED, conviction 63). Portfolio: $74.3B across 718 positions.

Top holdings by portfolio weight

Total AUM$74B
NVDA9.61%
GOOGL6.71%
TSLA6.33%
META5.73%
AMZN5.13%
NFLX4.91%
BA3.77%
V3.76%
ORCL3.33%
MSFT3.02%
Other2.53%

Portfolio allocation by GICS sector

Sectors11
Technology26.61%
Communication Services20.59%
Consumer Cyclical17.65%
Healthcare11.74%
Industrials9.56%
Financial Services8.53%
Consumer Defensive3.25%
Unknown0.76%
Energy0.56%
Basic Materials0.42%
Other0.32%

Behavioral investing profile

7-dimension quality assessment
Solid(2.5 / 5.0)
Track Record65
Conviction40
Concentration0
Upgrade to see all dimensions

Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
7Q
BKNGBOOKING HOLDINGS INC
Q3 2024 Q1 2026+122,632 shares+$518.3M
5Q
CEMBISHARES INC
Q1 2025 Q1 2026+135,756 shares+$16.8M
4Q
BRKRBRUKER CORP
Q2 2025 Q1 2026+233,642 shares+$16.5M

Upgrade to Pro to see all accumulation streaks

Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

Analytics tracking helps us improve the product. Essential functions stay on either way. How analytics data is used