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GS

Gagnon Securities Portfolio holdings

AUM $519M
1-Year Est. Return 44.91%
This Fund
S&P 500
This Quarter Est. Return
-4.07%
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
$433M
AUM Growth
-$57.9M
Cap. Flow
-$15.2M
Cap. Flow %
-3.51%
Top 10 Hldgs %
47.1%
Holding
92
New
6
Increased
38
Reduced
36
Closed
7

Top Buys

Rank Stock Value
1
SGOV icon
iShares 0-3 Month Treasury Bond ETF
SGOV
+$9.32M
2
QDEL icon
QuidelOrtho
QDEL
+$6M
3
HNGE
Hinge Health
HNGE
+$5.16M
4
FRSH icon
Freshworks
FRSH
+$4.63M
5
WGS icon
GeneDx Holdings
WGS
+$4.52M

Top Sells

Rank Stock Value
1
AL
Air Lease Corp
AL
+$31.9M
2
EXAS
Exact Sciences
EXAS
+$17M
3
NVDA icon
NVIDIA
NVDA
+$3.09M
4
HZO icon
MarineMax
HZO
+$2.81M
5
TPR icon
Tapestry
TPR
+$2.74M

Sector Composition

Rank Sector Weight
1 Healthcare 41.12%
2 Technology 15.04%
3 Industrials 11.35%
4 Consumer Discretionary 11.16%
5 Energy 9.52%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ENSG icon
1
The Ensign Group
ENSG
$10.4B
$36.2M 8.36%
179,671
-878
-0.5% -$172K
CDNA icon
2
CareDx
CDNA
$2.35B
$30.6M 7.06%
1,761,874
-13,016
-0.7% -$246K
AMRC icon
3
Ameresco
AMRC
$1.36B
$21.4M 4.94%
840,063
+7,179
+0.9% +$215K
WGS icon
4
GeneDx Holdings
WGS
$2.08B
$19.5M 4.49%
303,149
+49,615
+20% +$4.52M
EPD icon
5
Enterprise Products Partners
EPD
$81.6B
$19.5M 4.49%
514,257
-13,344
-3% -$472K
NVGS icon
6
Navigator Holdings
NVGS
$1.27B
$17.1M 3.96%
886,631
+24,777
+3% +$471K
EQIX icon
7
Equinix
EQIX
$104B
$16.6M 3.84%
16,951
-191
-1% -$170K
GNRC icon
8
Generac Holdings
GNRC
$12.8B
$14.6M 3.38%
74,913
-680
-0.9% -$131K
ISRG icon
9
Intuitive Surgical
ISRG
$133B
$14.6M 3.36%
31,619
-178
-0.6% -$90.1K
PCRX icon
10
Pacira BioSciences
PCRX
$979M
$14M 3.22%
617,510
+116,299
+23% +$2.58M
FRSH icon
11
Freshworks
FRSH
$3.18B
$13.9M 3.21%
1,731,367
+501,356
+41% +$4.63M
KMX icon
12
CarMax
KMX
$8.04B
$12.9M 2.97%
309,699
-10,378
-3% -$454K
PROF
13
Profound Medical
PROF
$290M
$12.6M 2.91%
1,944,324
+263
+0% +$1.82K
CAKE icon
14
Cheesecake Factory
CAKE
$5.23B
$12.3M 2.84%
225,048
-1,546
-0.7% -$92.2K
BL icon
15
BlackLine
BL
$1.79B
$11M 2.53%
296,424
+17,026
+6% +$733K
BLFS icon
16
BioLife Solutions
BLFS
$1.65B
$10.2M 2.36%
536,512
+2,155
+0.4% +$47.6K
FIVN icon
17
FIVE9
FIVN
$2.27B
$9.44M 2.18%
622,064
-3,662
-0.6% -$63.6K
SGOV icon
18
iShares 0-3 Month Treasury Bond ETF
SGOV
$100B
$9.33M 2.15%
+92,702
New +$9.32M
CARG icon
19
CarGurus
CARG
$3.28B
$9.25M 2.13%
271,524
+702
+0.3% +$23K
AMPL icon
20
Amplitude
AMPL
$1.33B
$7.23M 1.67%
1,059,836
+360,966
+52% +$2.98M
TMCI icon
21
Treace Medical Concepts
TMCI
$310M
$6.97M 1.61%
5,201,886
+2,091,311
+67% +$4.17M
QDEL icon
22
QuidelOrtho
QDEL
$1.19B
$6.63M 1.53%
403,325
+244,148
+153% +$6M
ASPN icon
23
Aspen Aerogels
ASPN
$415M
$6.37M 1.47%
1,861,851
+728,603
+64% +$2.46M
PRLB icon
24
Protolabs
PRLB
$2.16B
$6.32M 1.46%
110,889
-659
-0.6% -$38.2K
CELC icon
25
Celcuity
CELC
$4.53B
$6.09M 1.41%
53,342
-59
-0.1% -$6.43K
1
2 3 4

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Gagnon Securities's Q1 2026 Portfolio in Review

As of Q1 2026, Gagnon Securities held 92 positions worth $433M, down 12% from $491M the previous quarter. Its ten largest holdings account for 47% of the portfolio.

Gagnon Securities withdrew a net $15.2M in Q1 2026, closing 7 positions and reducing 36 holdings. Its most notable exit was Air Lease Corp, an estimated $31.9M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 41% of assets, down from 42% a quarter earlier, followed by Technology and Industrials.

Against the trend, Gagnon Securities opened a new position in iShares 0-3 Month Treasury Bond ETF worth $9.33M.

  • Gagnon Securities's largest Q1 2026 buy was iShares 0-3 Month Treasury Bond ETF: 92,702 shares worth $9.33M.
  • Gagnon Securities added most to QuidelOrtho in Q1 2026, an estimated $6M increase.
  • Gagnon Securities's biggest Q1 2026 reduction was NVIDIA, cutting an estimated $3.09M.
  • Gagnon Securities fully exited Air Lease Corp in Q1 2026, selling an estimated $31.9M.
  • Gagnon Securities's ten largest holdings make up 47% of its $433M portfolio in Q1 2026.
  • Gagnon Securities opened 6 new positions and closed 7 in Q1 2026.
  • Gagnon Securities's portfolio value fell 12% quarter-over-quarter to $433M.

Based on Gagnon Securities's 13F filing for Q1 2026, filed 22 Apr 2026.