GAGNON SECURITIES LLC

CIK 0001125725 · Q2 2026

13F Equity AUM

$518.8M

+19.8% QoQ

Positions

-2 QoQ

AUM Rank

#3,606

Top 41%

Skill Alpha (FF)

-1.7%/yr^ns

No Clear Edge

Rank #5,425 · Top 65%

vs S&P -2.1%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 30.6%Top 10: 47.7%Top 20: 74.3%

CDNA9.7%

WGS6.9%

ENSG5.4%

AMRC4.4%

GNRC4.1%

EPD3.6%

QDEL3.5%

CAKE3.4%

EQIX3.4%

KMX3.3%

Others (73)52.3%

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

Sector Allocation

Healthcare43.7%

Technology16.1%

Industrials12.3%

Consumer Cyclical12.2%

Unclassified5.0%

Real Estate4.9%

Energy4.8%

Other1.0%

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

Position Sizing

Positions: 83Median: 0.21%Avg: 1.20%

0–0.5%

48(6.2%)

0.5–1%

4(3.5%)

1–3%

20(39.6%)

3–5%

8(28.8%)

5%+

3(22.1%)

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

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Portfolio Overlap

Shared: 0Unique: 83vs 20 funds

0%Low

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

New4Increased25Decreased46Exited6

New Positions

GAMBLING COM GROUP2.3%

+765K

WRBY0.1%

+11K

BYND 0 03/15/270.1%

+381K

VCEL0.1%

+7K

Increased

QDEL3.5%

+627K(+155%)

VERX1.7%

+293K(+63%)

WGS6.9%

+222K(+73%)

WEAV0.2%

+123K(+359%)

FIVN3.0%

+101K(+16%)

CARG2.4%

+96K(+35%)

BL2.0%

+79K(+27%)

HNGE2.9%

+59K(+47%)

DV1.1%

+35K(+7%)

CNF0.2%

+18K(+6%)

Decreased

TMCI2.3%

-2,172,343(-42%)

ASPN1.9%

-326,039(-18%)

PTEN0.0%

-297,226(-94%)

FRSH3.0%

-167,501(-10%)

EP31.4%

-122,244(-7%)

PFE0.1%

-20,914(-47%)

ATNM0.0%

-19,158(-10%)

AMRC4.4%

-13,501(-2%)

KLTR0.8%

-11,937(-0%)

RNTX0.1%

-10,450(-4%)

Exited

-886,631

-92,702

-167,874

-109,697

-1,851

-25,148

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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