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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
+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
Avg Time Held
4.9 years
Top 10 Avg Time Held
3.8 years
Top 20 Avg Time Held
4 years

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 icon
Air Lease Corp
AL
+$6.94M
3
PSIX icon
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 14.72%
4 Consumer Discretionary 8.82%
5 Energy 7.24%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
PRLB icon
26
Protolabs
PRLB
$2.09B
$5.64M 1.15%
111,548
+2,799
+3% +$143K
2019 Q1
27 quarters
DV icon
27
DoubleVerify
DV
$2.11B
$5.62M 1.15%
491,664
-188,253
-28% -$2.08M
2023 Q4
8 quarters
CELC icon
28
Celcuity
CELC
$2.95B
$5.33M 1.08%
53,401
-554
-1% -$45.5K
2017 Q3
33 quarters
CTRE icon
29
CareTrust REIT
CTRE
$8.65B
$4.81M 0.98%
133,071
-2,614
-2% -$93.7K
2018 Q2
30 quarters
KLTR icon
30
Kaltura
KLTR
$221M
$4.69M 0.96%
2,861,365
-24,611
-0.9% -$38.9K
2023 Q2
10 quarters
QDEL icon
31
QuidelOrtho
QDEL
$954M
$4.55M 0.93%
159,177
+36,678
+30% +$994K
2017 Q4
32 quarters
AOSL icon
32
Alpha and Omega Semiconductor
AOSL
$707M
$4.27M 0.87%
215,642
+293
+0.1% +$6.92K
2016 Q3
37 quarters
ICUI icon
33
ICU Medical
ICUI
$4.18B
$4.15M 0.84%
29,073
+322
+1% +$43.1K
2023 Q1
11 quarters
PNTG icon
34
Pennant Group
PNTG
$1.48B
$3.87M 0.79%
137,526
-4,156
-3% -$111K
2019 Q4
24 quarters
NVDA icon
35
NVIDIA
NVDA
$5.25T
$3.83M 0.78%
20,517
-56
-0.3% -$10.4K
2023 Q2
10 quarters
OSUR icon
36
OraSure Technologies
OSUR
$263M
$3.8M 0.77%
1,569,782
-24,989
-2% -$65.7K
2025 Q1
3 quarters
ASPN icon
37
Aspen Aerogels
ASPN
$448M
$3.21M 0.65%
1,133,248
-621,585
-35% -$3.21M
2025 Q2
2 quarters
TPR icon
38
Tapestry
TPR
$23.8B
$2.74M 0.56%
21,447
-6
-0% -$686
2014 Q1
47 quarters
PTEN icon
39
Patterson-UTI
PTEN
$4.31B
$2.16M 0.44%
352,777
+144,080
+69% +$860K
2023 Q3
9 quarters
CNF icon
40
CNFinance Holdings
CNF
$33M
$1.92M 0.39%
316,853
-348
-0.1% -$1.82K
2018 Q4
28 quarters
NCNO icon
41
nCino
NCNO
$2.23B
$1.88M 0.38%
73,494
+35,236
+92% +$895K
2024 Q4
4 quarters
MCHP icon
42
Microchip Technology
MCHP
$40.3B
$1.73M 0.35%
27,162
+137
+0.5% +$8.45K
2016 Q3
37 quarters
GNL icon
43
Global Net Lease
GNL
$1.72B
$1.47M 0.3%
170,510
-23,280
-12% -$187K
2023 Q3
9 quarters
GNTX icon
44
Gentex
GNTX
$4.45B
$1.3M 0.26%
55,672
+458
+0.8% +$11K
2015 Q1
43 quarters
SAM icon
45
Boston Beer
SAM
$1.84B
$1.24M 0.25%
6,355
-15,153
-70% -$3.12M
2022 Q2
14 quarters
SLG icon
46
SL Green Realty
SLG
$3.34B
$1.19M 0.24%
25,838
-148
-0.6% -$7.31K
2020 Q3
21 quarters
PFE icon
47
Pfizer
PFE
$168B
$1.1M 0.22%
44,353
+1,193
+3% +$30.1K
2016 Q1
39 quarters
FLG icon
48
Flagstar Bank National Association
FLG
$4.67B
$943K 0.19%
74,867
-86
-0.1% -$1.03K
2024 Q1
7 quarters
XOM icon
49
ExxonMobil
XOM
$718B
$864K 0.18%
7,180
-48
-0.7% -$5.57K
2015 Q3
41 quarters
T icon
50
AT&T
T
$161B
$825K 0.17%
33,227
-692
-2% -$17.5K
2018 Q1
31 quarters
1
2
3 4

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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.