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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
PRLB icon
26
Protolabs
PRLB
$2.14B
$5.64M 1.15%
111,548
+2,799
+3% +$143K
DV icon
27
DoubleVerify
DV
$1.81B
$5.62M 1.15%
491,664
-188,253
-28% -$2.08M
CELC icon
28
Celcuity
CELC
$4.54B
$5.33M 1.08%
53,401
-554
-1% -$45.5K
CTRE icon
29
CareTrust REIT
CTRE
$9.72B
$4.81M 0.98%
133,071
-2,614
-2% -$93.7K
KLTR icon
30
Kaltura
KLTR
$268M
$4.69M 0.96%
2,861,365
-24,611
-0.9% -$38.9K
QDEL icon
31
QuidelOrtho
QDEL
$1.11B
$4.55M 0.93%
159,177
+36,678
+30% +$994K
AOSL icon
32
Alpha and Omega Semiconductor
AOSL
$1.01B
$4.27M 0.87%
215,642
+293
+0.1% +$6.92K
ICUI icon
33
ICU Medical
ICUI
$4.17B
$4.15M 0.84%
29,073
+322
+1% +$43.1K
PNTG icon
34
Pennant Group
PNTG
$1.35B
$3.87M 0.79%
137,526
-4,156
-3% -$111K
NVDA icon
35
NVIDIA
NVDA
$5.31T
$3.83M 0.78%
20,517
-56
-0.3% -$10.4K
OSUR icon
36
OraSure Technologies
OSUR
$269M
$3.8M 0.77%
1,569,782
-24,989
-2% -$65.7K
ASPN icon
37
Aspen Aerogels
ASPN
$649M
$3.21M 0.65%
1,133,248
-621,585
-35% -$3.21M
TPR icon
38
Tapestry
TPR
$32.5B
$2.74M 0.56%
21,447
-6
-0% -$686
PTEN icon
39
Patterson-UTI
PTEN
$3.87B
$2.16M 0.44%
352,777
+144,080
+69% +$860K
CNF
40
CNFinance Holdings
CNF
$36.2M
$1.92M 0.39%
316,853
-348
-0.1% -$1.82K
NCNO icon
41
nCino
NCNO
$2.07B
$1.88M 0.38%
73,494
+35,236
+92% +$895K
MCHP icon
42
Microchip Technology
MCHP
$42.3B
$1.73M 0.35%
27,162
+137
+0.5% +$8.45K
GNL icon
43
Global Net Lease
GNL
$1.91B
$1.47M 0.3%
170,510
-23,280
-12% -$187K
GNTX icon
44
Gentex
GNTX
$5B
$1.3M 0.26%
55,672
+458
+0.8% +$11K
SAM icon
45
Boston Beer
SAM
$1.9B
$1.24M 0.25%
6,355
-15,153
-70% -$3.12M
SLG icon
46
SL Green Realty
SLG
$3.88B
$1.19M 0.24%
25,838
-148
-0.6% -$7.31K
PFE icon
47
Pfizer
PFE
$148B
$1.1M 0.22%
44,353
+1,193
+3% +$30.1K
FLG
48
Flagstar Bank National Association
FLG
$5.96B
$943K 0.19%
74,867
-86
-0.1% -$1.03K
XOM icon
49
ExxonMobil
XOM
$637B
$864K 0.18%
7,180
-48
-0.7% -$5.57K
T icon
50
AT&T
T
$162B
$825K 0.17%
33,227
-692
-2% -$17.5K
1
2
3 4

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CFM
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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.