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Gagnon Securities Portfolio holdings

AUM $519M Turnover 11.24%
1-Year Est. Return 44.91%
This Fund
S&P 500
This Quarter Est. Return
+9.13%
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
$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
Avg Time Held
4.8 years
Top 10 Avg Time Held
3.6 years
Top 20 Avg Time Held
3.8 years

Top Buys

Rank Stock Value
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

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

Sector Composition

Rank Sector Weight
1 Healthcare 37.2%
2 Industrials 18.49%
3 Technology 16.38%
4 Consumer Discretionary 7.91%
5 Energy 6.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
PSIX icon
26
Power Solutions International
PSIX
$1.17B
$6.36M 1.28%
64,770
-276,841
-81% -$24.5M
2013 Q3
48 quarters
AOSL icon
27
Alpha and Omega Semiconductor
AOSL
$707M
$6.02M 1.21%
215,349
-631
-0.3% -$17.5K
2016 Q3
36 quarters
AMPL icon
28
Amplitude
AMPL
$1.98B
$5.48M 1.1%
+510,731
New +$6.06M
2025 Q3
0 quarters
PRLB icon
29
Protolabs
PRLB
$2.09B
$5.44M 1.09%
108,749
-5,825
-5% -$267K
2019 Q1
26 quarters
OSUR icon
30
OraSure Technologies
OSUR
$263M
$5.12M 1.03%
1,594,771
-9,371
-0.6% -$29.4K
2025 Q1
2 quarters
CMG icon
31
Chipotle Mexican Grill
CMG
$38.7B
$4.72M 0.95%
120,395
-26,153
-18% -$1.18M
2016 Q1
38 quarters
CTRE icon
32
CareTrust REIT
CTRE
$8.65B
$4.71M 0.94%
135,685
-14,863
-10% -$489K
2018 Q2
29 quarters
SAM icon
33
Boston Beer
SAM
$1.84B
$4.55M 0.91%
21,508
-3,543
-14% -$754K
2022 Q2
13 quarters
KLTR icon
34
Kaltura
KLTR
$221M
$4.16M 0.83%
2,885,976
+709,598
+33% +$1.2M
2023 Q2
9 quarters
NVDA icon
35
NVIDIA
NVDA
$5.25T
$3.84M 0.77%
20,573
-291
-1% -$50.7K
2023 Q2
9 quarters
QDEL icon
36
QuidelOrtho
QDEL
$954M
$3.61M 0.72%
122,499
+49,622
+68% +$1.36M
2017 Q4
31 quarters
PNTG icon
37
Pennant Group
PNTG
$1.48B
$3.57M 0.72%
141,682
-9,806
-6% -$241K
2019 Q4
23 quarters
ICUI icon
38
ICU Medical
ICUI
$4.18B
$3.45M 0.69%
28,751
-3,564
-11% -$452K
2023 Q1
10 quarters
CELC icon
39
Celcuity
CELC
$2.95B
$2.67M 0.53%
53,955
-35
-0.1% -$1.4K
2017 Q3
32 quarters
TPR icon
40
Tapestry
TPR
$23.8B
$2.43M 0.49%
21,453
-1,967
-8% -$206K
2014 Q1
46 quarters
MCHP icon
41
Microchip Technology
MCHP
$40.3B
$1.74M 0.35%
27,025
-411
-1% -$27.9K
2016 Q3
36 quarters
GNL icon
42
Global Net Lease
GNL
$1.72B
$1.58M 0.32%
193,790
+88,238
+84% +$673K
2023 Q3
8 quarters
GNTX icon
43
Gentex
GNTX
$4.45B
$1.56M 0.31%
55,214
-1,236
-2% -$32.8K
2015 Q1
42 quarters
SLG icon
44
SL Green Realty
SLG
$3.34B
$1.55M 0.31%
25,986
-176
-0.7% -$10.4K
2020 Q3
20 quarters
CNF icon
45
CNFinance Holdings
CNF
$33M
$1.33M 0.27%
317,201
+123,562
+64% +$695K
2018 Q4
27 quarters
PFE icon
46
Pfizer
PFE
$168B
$1.1M 0.22%
43,160
-63
-0.1% -$1.55K
2016 Q1
38 quarters
PTEN icon
47
Patterson-UTI
PTEN
$4.31B
$1.08M 0.22%
208,697
+4,302
+2% +$24.7K
2023 Q3
8 quarters
NCNO icon
48
nCino
NCNO
$2.23B
$1.04M 0.21%
38,258
+1,526
+4% +$44.6K
2024 Q4
3 quarters
T icon
49
AT&T
T
$161B
$958K 0.19%
33,919
+5,564
+20% +$158K
2018 Q1
30 quarters
FLG icon
50
Flagstar Bank National Association
FLG
$4.67B
$866K 0.17%
74,953
-42,922
-36% -$511K
2024 Q1
6 quarters
1
2
3 4

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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.