LOOMIS SAYLES & CO L P

CIK 0000312348 · Q1 2026

13F Equity AUM

$74.3B

-10.4% QoQ

Positions

628

+5 QoQ

AUM Rank

#180

Top 1%

Skill Alpha (FF)

+1.6%/yr^ns

No Clear Edge

Rank #1,293 · Top 16%

vs S&P +1.2%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 33.5%Top 10: 52.3%Top 20: 70.1%

NVDA9.6%

GOOGL6.7%

TSLA6.3%

META5.7%

AMZN5.1%

NFLX4.9%

BA3.8%

V3.8%

ORCL3.3%

MSFT3.0%

Others (618)47.7%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Technology26.5%

Communication Services20.5%

Consumer Cyclical17.4%

Healthcare11.7%

Industrials9.7%

Financial Services9.2%

Consumer Defensive3.2%

Other1.9%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 628Median: 0.02%Avg: 0.16%

0–0.5%

597(20.7%)

0.5–1%

8(6.0%)

1–3%

13(20.9%)

3–5%

5(18.8%)

5%+

5(33.5%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 627Unique: 1vs 20 funds

8.6%Low

628

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

MORGAN STANLEY

11.6%

BANK OF AMERICA CORP /DE/

12.9%

14.9%

12.1%

16.5%

19.2%

GEODE CAPITAL MANAGEMENT, LLC

14.8%

VANGUARD CAPITAL MANAGEMENT LLC

14.7%

VANGUARD PORTFOLIO MANAGEMENT LLC

17.3%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New90Increased180Decreased400Exited67

New Positions

PIPER SANDLER COS0.1%

+536K

PTCT0.1%

+494K

ADEA0.0%

+1.3M

XJQCX0.0%

+4.5M

TWST0.0%

+492K

SGHC0.0%

+1.9M

JFR0.0%

+2.9M

SIMO0.0%

+189K

GXO0.0%

+219K

LCII0.0%

+98K

Increased

ABEV0.1%

+1.2M(+6%)

ALGM0.1%

+845K(+102%)

NFLX4.9%

+743K(+2%)

INTA0.0%

+681K(+50118%)

ORCL3.3%

+639K(+4%)

NVDA9.6%

+636K(+2%)

JAMES HARDIE INDS AD…0.0%

+487K(+1417%)

AMZN5.1%

+363K(+2%)

PDFS0.0%

+362K(+78%)

WT0.0%

+324K(+24%)

Decreased

NOMD0.0%

-1,765,894(-95%)

FWRG0.0%

-1,546,072(-83%)

ILMN0.5%

-1,228,743(-29%)

PD0.0%

-1,045,051(-96%)

TBBK0.0%

-903,701(-87%)

FIVN0.0%

-877,673(-96%)

STVN0.0%

-730,376(-93%)

VRDN0.0%

-553,418(-37%)

AR0.0%

-501,820(-54%)

CNXC0.0%

-479,217(-96%)

Exited

-145,277

-295,627

-925,467

-95,127

-2,040,223

-381,770

-205,221

-38,849

-1,900,991

-384,887

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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