We are live on ! Find out more
GS

Gagnon Securities Portfolio holdings

AUM $519M
1-Year Est. Return 44.91%
This Fund
S&P 500
This Quarter Est. Return
+7.62%
1 Year Est. Return
+44.91%
3 Year Est. Return
+129.38%
5 Year Est. Return
+108.07%
10 Year Est. Return
+1,389.15%
AUM
$491M
AUM Growth
-$7.42M
Cap. Flow
-$15.8M
Cap. Flow %
-3.21%
Top 10 Hldgs %
48.23%
Holding
88
New
2
Increased
33
Reduced
40
Closed
2

Top Buys

Rank Stock Value
1
FIVN icon
FIVE9
FIVN
+$6.93M
2
KMX icon
CarMax
KMX
+$3.78M
3
TMCI icon
Treace Medical Concepts
TMCI
+$3.7M
4
AMPL icon
Amplitude
AMPL
+$1.98M
5
HZO icon
MarineMax
HZO
+$1.5M

Top Sells

Rank Stock Value
1
FRSH icon
Freshworks
FRSH
+$7.51M
2
AL
Air Lease Corp
AL
+$6.94M
3
PSIX
Power Solutions International
PSIX
+$6.36M
4
ISRG icon
Intuitive Surgical
ISRG
+$6.16M
5
ASPN icon
Aspen Aerogels
ASPN
+$3.21M

Sector Composition

Rank Sector Weight
1 Healthcare 42.13%
2 Technology 16.31%
3 Industrials 15.37%
4 Consumer Discretionary 10.93%
5 Energy 7.24%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CDNA icon
1
CareDx
CDNA
$2.35B
$33.4M 6.81%
1,774,890
+45,465
+3% +$762K
WGS icon
2
GeneDx Holdings
WGS
$2.08B
$33M 6.71%
253,534
-15,532
-6% -$2.13M
AL
3
DELISTED
Air Lease Corp
AL
$31.9M 6.5%
496,957
-108,661
-18% -$6.94M
ENSG icon
4
The Ensign Group
ENSG
$10.4B
$31.5M 6.4%
180,549
-2,481
-1% -$446K
AMRC icon
5
Ameresco
AMRC
$1.36B
$24.4M 4.97%
832,884
-26,525
-3% -$931K
ISRG icon
6
Intuitive Surgical
ISRG
$133B
$18M 3.67%
31,797
-11,562
-27% -$6.16M
EXAS
7
DELISTED
Exact Sciences
EXAS
$17M 3.46%
167,414
-12,028
-7% -$966K
EPD icon
8
Enterprise Products Partners
EPD
$81.6B
$16.9M 3.44%
527,601
-1,151
-0.2% -$36.4K
BL icon
9
BlackLine
BL
$1.79B
$15.4M 3.15%
279,398
+479
+0.2% +$26.4K
PROF
10
Profound Medical
PROF
$290M
$15.3M 3.12%
1,944,061
+211,021
+12% +$1.36M
FRSH icon
11
Freshworks
FRSH
$3.18B
$15.1M 3.07%
1,230,011
-635,807
-34% -$7.51M
NVGS icon
12
Navigator Holdings
NVGS
$1.27B
$14.9M 3.04%
861,854
-4,006
-0.5% -$66.9K
EQIX icon
13
Equinix
EQIX
$104B
$13.1M 2.67%
17,142
-111
-0.6% -$87K
PCRX icon
14
Pacira BioSciences
PCRX
$979M
$13M 2.64%
501,211
+51,494
+11% +$1.22M
BLFS icon
15
BioLife Solutions
BLFS
$1.65B
$12.9M 2.63%
534,357
-1,400
-0.3% -$36.6K
FIVN icon
16
FIVE9
FIVN
$2.27B
$12.5M 2.55%
625,726
+326,323
+109% +$6.93M
KMX icon
17
CarMax
KMX
$8.04B
$12.4M 2.52%
320,077
+94,448
+42% +$3.78M
CAKE icon
18
Cheesecake Factory
CAKE
$5.23B
$11.4M 2.33%
226,594
-742
-0.3% -$37.2K
CARG icon
19
CarGurus
CARG
$3.28B
$10.4M 2.11%
270,822
-1,486
-0.5% -$53.6K
GNRC icon
20
Generac Holdings
GNRC
$12.8B
$10.3M 2.1%
75,593
-1,968
-3% -$318K
AMPL icon
21
Amplitude
AMPL
$1.33B
$8.09M 1.65%
698,870
+188,139
+37% +$1.98M
HZO icon
22
MarineMax
HZO
$793M
$7.8M 1.59%
322,053
+60,704
+23% +$1.5M
TMCI icon
23
Treace Medical Concepts
TMCI
$310M
$7.62M 1.55%
3,110,575
+852,337
+38% +$3.7M
VERX icon
24
Vertex
VERX
$1.91B
$7.28M 1.48%
364,643
-14,042
-4% -$304K
CMG icon
25
Chipotle Mexican Grill
CMG
$43.7B
$5.81M 1.18%
156,975
+36,580
+30% +$1.32M
1
2 3 4

Similar funds

CI
CacheTech Inc Logan, Utah $519M AUM 22.06% 1-Year Est. Return
WPP
Whalerock Point Partners Providence, Rhode Island $518M AUM 25.26% 1-Year Est. Return
CFM
Crawford Fund Management Boston, Massachusetts $520M AUM 14.79% 1-Year Est. Return
LHC
Lodge Hill Capital New York $518M AUM 12.89% 1-Year Est. Return
AAM
AR Asset Management West Hollywood, California $517M AUM 18.31% 1-Year Est. Return
RCI
RS Crum Inc Newport Beach, California $517M AUM 16.68% 1-Year Est. Return
SCM
Shah Capital Management Raleigh, North Carolina $521M AUM 46.95% 1-Year Est. Return
SC
Schoolcraft Capital Boulder, Colorado $516M AUM 16.37% 1-Year Est. Return

Gagnon Securities's Q4 2025 Portfolio in Review

As of Q4 2025, Gagnon Securities held 88 positions worth $491M, down 1.5% from $499M the previous quarter. Its ten largest holdings account for 48% of the portfolio.

Gagnon Securities withdrew a net $15.8M in Q4 2025, closing 2 positions and reducing 40 holdings. Its most notable exit was Power Solutions International, an estimated $6.36M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 42% of assets, up from 37% a quarter earlier, followed by Technology and Industrials.

Against the trend, Gagnon Securities opened a new position in Blackstone worth $227K.

  • Gagnon Securities's largest Q4 2025 buy was Blackstone: 1,475 shares worth $227K.
  • Gagnon Securities added most to FIVE9 in Q4 2025, an estimated $6.93M increase.
  • Gagnon Securities's biggest Q4 2025 reduction was Freshworks, cutting an estimated $7.51M.
  • Gagnon Securities fully exited Power Solutions International in Q4 2025, selling an estimated $6.36M.
  • Gagnon Securities's ten largest holdings make up 48% of its $491M portfolio in Q4 2025.
  • Gagnon Securities opened 2 new positions and closed 2 in Q4 2025.
  • Gagnon Securities's portfolio value fell 1.5% quarter-over-quarter to $491M.

Based on Gagnon Securities's 13F filing for Q4 2025, filed 13 Feb 2026.