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Gagnon Securities Portfolio holdings

AUM $433M
1-Year Est. Return 29.08%
This Fund
S&P 500
This Quarter Est. Return
+9.13%
1 Year Est. Return
+29.08%
3 Year Est. Return
+89.87%
5 Year Est. Return
+76.34%
10 Year Est. Return
+1,094.35%
AUM
$499M
AUM Growth
+$6.15M
Cap. Flow
-$9.82M
Cap. Flow %
-1.97%
Top 10 Hldgs %
48.35%
Holding
95
New
8
Increased
28
Reduced
47
Closed
9

Top Buys

1
FRSH icon
Freshworks
FRSH
+$12.7M
2
HZO icon
MarineMax
HZO
+$6.66M
3
AMPL icon
Amplitude
AMPL
+$6.06M
4
DV icon
DoubleVerify
DV
+$4.67M
5
KMX icon
CarMax
KMX
+$3.71M

Top Sells

1
PSIX
Power Solutions International
PSIX
+$24.5M
2
AL
Air Lease Corp
AL
+$7.82M
3
ISRG icon
Intuitive Surgical
ISRG
+$5.02M
4
EXAS
Exact Sciences
EXAS
+$4.96M
5
ENSG icon
The Ensign Group
ENSG
+$4.14M

Sector Composition

1 Healthcare 37.2%
2 Industrials 20.94%
3 Technology 16.38%
4 Consumer Discretionary 9.94%
5 Energy 6.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XOM icon
51
ExxonMobil
XOM
$611B
$815K 0.16%
7,228
-7
-0.1% -$778
SHOP icon
52
Shopify
SHOP
$160B
$794K 0.16%
5,345
-363
-6% -$49.2K
DVN icon
53
Devon Energy
DVN
$50.6B
$711K 0.14%
20,278
-33
-0.2% -$1.12K
GOOGL icon
54
Alphabet (Google) Class A
GOOGL
$4.23T
$621K 0.12%
2,556
– –
META icon
55
Meta Platforms (Facebook)
META
$1.64T
$616K 0.12%
839
– –
TECH icon
56
Bio-Techne
TECH
$11.2B
$535K 0.11%
9,614
+344
+4% +$18.4K
MRVL icon
57
Marvell Technology
MRVL
$169B
$532K 0.11%
6,327
+231
+4% +$17K
APPS icon
58
Digital Turbine
APPS
$1.01B
$524K 0.11%
81,839
– –
BLZE icon
59
Backblaze
BLZE
$793M
$514K 0.1%
55,393
+264
+0.5% +$1.94K
MU icon
60
Micron Technology
MU
$959B
$492K 0.1%
2,938
-65
-2% -$8.32K
HIMX
61
Himax Technologies
HIMX
$2.23B
$481K 0.1%
54,488
-92
-0.2% -$789
SBUX icon
62
Starbucks
SBUX
$120B
$477K 0.1%
5,638
-4
-0.1% -$358
GOOG icon
63
Alphabet (Google) Class C
GOOG
$4.22T
$471K 0.09%
+1,932
New +$406K
CVLT icon
64
Commault Systems
CVLT
$6.12B
$456K 0.09%
2,418
-461
-16% -$83.1K
CGNX icon
65
Cognex
CGNX
$10.7B
$443K 0.09%
9,772
+48
+0.5% +$1.94K
PYPL icon
66
PayPal
PYPL
$49.9B
$441K 0.09%
6,581
+64
+1% +$4.51K
MTSI icon
67
MACOM Technology Solutions
MTSI
$20.4B
$391K 0.08%
+3,142
New +$415K
LTH icon
68
Life Time Group Holdings
LTH
$9.38B
$374K 0.08%
13,538
-61
-0.4% -$1.74K
ATNM icon
69
Actinium Pharmaceuticals
ATNM
$28.9M
$362K 0.07%
226,257
-365
-0.2% -$595
MRK icon
70
Merck
MRK
$315B
$339K 0.07%
4,038
-2
-0% -$165
ETSY icon
71
Etsy
ETSY
$7.98B
$330K 0.07%
4,970
-20
-0.4% -$1.19K
VIAV icon
72
Viavi Solutions
VIAV
$9.41B
$304K 0.06%
23,992
+141
+0.6% +$1.55K
WEAV icon
73
Weave Communications
WEAV
$575M
$304K 0.06%
45,543
+329
+0.7% +$2.53K
ONTO icon
74
Onto Innovation
ONTO
$13.9B
$290K 0.06%
+2,242
New +$240K
RMBS icon
75
Rambus
RMBS
$11B
$282K 0.06%
+2,711
New +$209K
1 2
3
4

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PAMS
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Gagnon Securities's Q3 2025 Portfolio in Review

As of Q3 2025, Gagnon Securities held 95 positions worth $499M, up 1.2% from $492M the previous quarter. Its ten largest holdings account for 48% of the portfolio.

Gagnon Securities's Q3 2025 filing shows 8 new, 28 increased, 47 reduced and 9 closed positions. Its largest new stake was MarineMax: 261,349 shares worth $6.62M. The largest sale was Power Solutions International, an estimated $24.5M.

By sector, the portfolio is most concentrated in Healthcare at 37% of assets, down from 40% a quarter earlier, followed by Industrials and Technology.

  • Gagnon Securities's largest Q3 2025 buy was MarineMax: 261,349 shares worth $6.62M.
  • Gagnon Securities added most to Freshworks in Q3 2025, an estimated $12.7M increase.
  • Gagnon Securities's biggest Q3 2025 reduction was Power Solutions International, cutting an estimated $24.5M.
  • Gagnon Securities fully exited Trade Desk in Q3 2025, selling an estimated $469K.
  • Gagnon Securities's ten largest holdings make up 48% of its $499M portfolio in Q3 2025.
  • Gagnon Securities opened 8 new positions and closed 9 in Q3 2025.
  • Gagnon Securities's portfolio value rose 1.2% quarter-over-quarter to $499M.

Based on Gagnon Securities's 13F filing for Q3 2025, filed 3 Nov 2025.