Atom Investors LP

CIK 0001738902 · Q2 2026

13F Equity AUM

$1.1B

-19.5% QoQ

Positions

818

+177 QoQ

AUM Rank

#2,247

Top 26%

Skill Alpha (FF)

+1.0%/yr^ns

No Clear Edge

Rank #1,862 · Top 22%

vs S&P -0.2%/yr (unadj.)

Quarters Tracked

~7 years

Portfolio Concentration

Top 5: 7.6%Top 10: 11.0%Top 20: 16.5%

VOO4.1%

VTRS1.0%

INTC0.9%

HPE0.9%

RYTM0.7%

ESAB0.7%

EWZ0.7%

GXO0.7%

AMAT0.6%

AVGO0.6%

Others (808)89.0%

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

Sector Allocation

Financial Services18.7%

Industrials17.0%

Technology16.9%

Healthcare15.0%

Consumer Cyclical10.3%

Real Estate4.1%

Consumer Defensive3.5%

Utilities3.4%

Other11.1%

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

Position Sizing

Positions: 818Median: 0.07%Avg: 0.12%

0–0.5%

797(83.0%)

0.5–1%

20(12.9%)

1–3%

0(0.0%)

3–5%

1(4.1%)

5%+

0(0.0%)

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

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Portfolio Overlap

Shared: 0Unique: 818vs 20 funds

0%Low

818

Fund positions

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.

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Position Changes This Quarter

New418Increased145Decreased252Exited241

New Positions

HPE0.9%

+215K

EWZ0.7%

+235K

VSEC0.6%

+28K

AAPL0.6%

+22K

JBT0.6%

+42K

RSP0.5%

+28K

HD0.5%

+17K

GGG0.5%

+75K

ZETA0.5%

+264K

FERG0.4%

+21K

Increased

VTRS1.0%

+599K(+561%)

EMBC0.1%

+455K(+1007%)

CGEN0.1%

+258K(+569%)

CCCC0.1%

+228K(+168%)

CXM0.1%

+184K(+182%)

DOLE0.2%

+143K(+844%)

AMTM0.3%

+138K(+605%)

MSIF0.1%

+96K(+574%)

RARE0.5%

+78K(+83%)

UWMC0.0%

+68K(+176%)

Decreased

XRX0.0%

-506,706(-90%)

GRABW0.1%

-464,909(-66%)

PTEN0.1%

-426,469(-69%)

SHLS0.0%

-425,530(-90%)

OWL0.1%

-377,993(-80%)

NU0.1%

-375,129(-84%)

DCH0.1%

-372,428(-65%)

PCG0.1%

-360,721(-86%)

WTTR0.2%

-347,885(-75%)

HBAN0.3%

-318,167(-66%)

Exited

-319,316

-173,347

-273,466

-56,949

-229,238

-163,868

-229,613

-408,502

-85,229

-48,750

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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