GAGNON SECURITIES LLC

hedge fundUpdated 36 days ago

Managed by Gagnon Securities Llc • Latest filing Q2 2026

Portfolio value

$518.8M

Q2 2026

Filings

13

Quarterly 13F history

Top-10 concentration

100.0%

Weight of largest holdings

Annualized return

2.6%

Implied from 13F holdings

Portfolio value history

13F-disclosed portfolio value over 13 quarters

Show data table

Period	Portfolio value
Q2 2023	$480.9M
Q3 2023	$399.1M
Q4 2023	$416.6M
Q1 2024	$422.5M
Q2 2024	$444M
Q3 2024	$504.4M
Q4 2024	$496.3M
Q1 2025	$454.5M
Q2 2025	$492.4M
Q3 2025	$498.5M
Q4 2025	$491.1M
Q1 2026	$433.2M
Q2 2026	$518.8M

Top holdings

85 positions as of Q2 2026

#	Stock	Value	Shares	% Portfolio	Change
1	C CDNA CAREDX INC	$50.5M	1.77M	9.73%	Added(+0.5%)
2	W WGSWW GENEDX HOLDINGS CORP	$36M	524.9K	6.94%	Added(+73.1%)
3	E ENSG ENSIGN GROUP INC	$27.9M	173.9K	5.37%	Trimmed(-3.2%)
4	A AMRC AMERESCO INC	$22.8M	826.6K	4.40%	Trimmed(-1.6%)
5	G GNRC GENERAC HLDGS INC	$21.4M	73.2K	4.13%	Trimmed(-2.3%)
6	E EPDU ENTERPRISE PRODS PARTNERS L P	$18.8M	510.6K	3.62%	Trimmed(-0.7%)
7	Q QDEL QUIDELORTHO CORP	$18M	1.03M	3.48%	Added(+155.5%)
8	C CAKE CHEESECAKE FACTORY INC	$17.6M	221.8K	3.40%	Trimmed(-1.4%)
9	E EQIX EQUINIX INC	$17.4M	16.7K	3.36%	Trimmed(-1.4%)
10	K KMX CARMAX INC	$17.2M	325.4K	3.32%	Added(+5.1%)
11	F FRSH FRESHWORKS INC	$15.8M	1.56M	3.05%	Trimmed(-9.7%)
12	P PCRX PACIRA BIOSCIENCES INC	$15.4M	608.6K	2.98%	Trimmed(-1.4%)
13	F FIVN FIVE9 INC	$15.4M	722.7K	2.97%	Added(+16.2%)
14	H HNGE HINGE HEALTH INC	$15.2M	183.0K	2.93%	Added(+47.3%)
15	B BLFS BIOLIFE SOLUTIONS INC	$15.1M	535.9K	2.92%	Trimmed(-0.1%)
16	P PROF PROFOUND MED CORP	$13M	1.96M	2.51%	Added(+0.8%)
17	C CARG CARGURUS INC	$12.5M	367.1K	2.41%	Added(+35.2%)
18	T TMCI TREACE MED CONCEPTS INC	$12.1M	3.03M	2.32%	Trimmed(-41.8%)
19	I ISRG INTUITIVE SURGICAL INC	$11.6M	29.1K	2.23%	Trimmed(-7.8%)
20	F FERG NAVIGATOR HLDGS LTD	$11.4M	612.3K	2.20%	—

C

CAREDX INC

+0.5%

Value

$50.5M

Shares

1.77M

% Port

9.73%

W

GENEDX HOLDINGS CORP

+73.1%

Value

$36M

Shares

524.9K

% Port

6.94%

E

ENSIGN GROUP INC

-3.2%

Value

$27.9M

Shares

173.9K

% Port

5.37%

A

AMERESCO INC

-1.6%

Value

$22.8M

Shares

826.6K

% Port

4.40%

G

GENERAC HLDGS INC

-2.3%

Value

$21.4M

Shares

73.2K

% Port

4.13%

E

ENTERPRISE PRODS PARTNERS L P

-0.7%

Value

$18.8M

Shares

510.6K

% Port

3.62%

Q

QUIDELORTHO CORP

+155.5%

Value

$18M

Shares

1.03M

% Port

3.48%

C

CHEESECAKE FACTORY INC

-1.4%

Value

$17.6M

Shares

221.8K

% Port

3.40%

E

EQUINIX INC

-1.4%

Value

$17.4M

Shares

16.7K

% Port

3.36%

K

10.KMX

CARMAX INC

+5.1%

Value

$17.2M

Shares

325.4K

% Port

3.32%

F

FRESHWORKS INC

-9.7%

Value

$15.8M

Shares

1.56M

% Port

3.05%

P

PACIRA BIOSCIENCES INC

-1.4%

Value

$15.4M

Shares

608.6K

% Port

2.98%

F

FIVE9 INC

+16.2%

Value

$15.4M

Shares

722.7K

% Port

2.97%

H

HINGE HEALTH INC

+47.3%

Value

$15.2M

Shares

183.0K

% Port

2.93%

B

BIOLIFE SOLUTIONS INC

-0.1%

Value

$15.1M

Shares

535.9K

% Port

2.92%

P

PROFOUND MED CORP

+0.8%

Value

$13M

Shares

1.96M

% Port

2.51%

C

CARGURUS INC

+35.2%

Value

$12.5M

Shares

367.1K

% Port

2.41%

T

TREACE MED CONCEPTS INC

-41.8%

Value

$12.1M

Shares

3.03M

% Port

2.32%

I

INTUITIVE SURGICAL INC

-7.8%

Value

$11.6M

Shares

29.1K

% Port

2.23%

F

NAVIGATOR HLDGS LTD

Value

$11.4M

Shares

612.3K

% Port

2.20%

View full portfolio (85 holdings) →

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