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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
+28.63%
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
$519M
AUM Growth
+$85.6M
Cap. Flow
-$1.22M
Cap. Flow %
-0.24%
Top 10 Hldgs %
47.74%
Holding
89
New
4
Increased
25
Reduced
46
Closed
6

Top Buys

Rank Stock Value
1
WGS icon
GeneDx Holdings
WGS
+$12.6M
2
QDEL icon
QuidelOrtho
QDEL
+$8.28M
3
VERX icon
Vertex
VERX
+$3.66M
4
HNGE
Hinge Health
HNGE
+$3.19M
5
CARG icon
CarGurus
CARG
+$3.1M

Top Sells

Rank Stock Value
1
NVGS icon
Navigator Holdings
NVGS
+$17.1M
2
SGOV icon
iShares 0-3 Month Treasury Bond ETF
SGOV
+$9.33M
3
TMCI icon
Treace Medical Concepts
TMCI
+$5.97M
4
AOSL icon
Alpha and Omega Semiconductor
AOSL
+$3.72M
5
PTEN icon
Patterson-UTI
PTEN
+$3.32M

Sector Composition

Rank Sector Weight
1 Healthcare 46.42%
2 Technology 14.65%
3 Industrials 10.46%
4 Consumer Discretionary 9.78%
5 Real Estate 4.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NVDA icon
51
NVIDIA
NVDA
$5.37T
$700K 0.13%
3,498
-157
-4% -$32.3K
CVLT icon
52
Commault Systems
CVLT
$5.99B
$691K 0.13%
4,874
+498
+11% +$53.5K
GOOG icon
53
Alphabet (Google) Class C
GOOG
$4.21T
$682K 0.13%
1,929
-5
-0.3% -$1.79K
ONTO icon
54
Onto Innovation
ONTO
$12.9B
$647K 0.12%
1,709
-533
-24% -$151K
T icon
55
AT&T
T
$174B
$640K 0.12%
30,898
-1,196
-4% -$29.7K
HIMX
56
Himax Technologies
HIMX
$2.45B
$606K 0.12%
39,498
-5,275
-12% -$81.9K
PFE icon
57
Pfizer
PFE
$158B
$562K 0.11%
23,346
-20,914
-47% -$547K
LTH icon
58
Life Time Group Holdings
LTH
$9.11B
$550K 0.11%
13,465
-85
-0.6% -$2.7K
MTSI icon
59
MACOM Technology Solutions
MTSI
$21.1B
$487K 0.09%
1,281
-2,389
-65% -$792K
VIAV icon
60
Viavi Solutions
VIAV
$8.73B
$477K 0.09%
9,986
-4,525
-31% -$217K
META icon
61
Meta Platforms (Facebook)
META
$1.7T
$473K 0.09%
839
– –
SHOP icon
62
Shopify
SHOP
$165B
$459K 0.09%
4,023
+91
+2% +$10.4K
ETSY icon
63
Etsy
ETSY
$6.66B
$434K 0.08%
5,755
-18
-0.3% -$1.16K
SBUX icon
64
Starbucks
SBUX
$109B
$413K 0.08%
4,045
-26
-0.6% -$2.62K
MRK icon
65
Merck
MRK
$362B
$410K 0.08%
3,187
-5
-0.2% -$585
AKAM icon
66
Akamai
AKAM
$15B
$374K 0.07%
3,163
+267
+9% +$33.2K
WRBY icon
67
Warby Parker
WRBY
$2.78B
$345K 0.07%
+11,381
New +$282K
RNG icon
68
RingCentral
RNG
$6B
$332K 0.06%
8,517
+95
+1% +$3.84K
VCEL icon
69
Vericel Corp
VCEL
$2.05B
$325K 0.06%
+7,303
New +$263K
PL icon
70
Planet Labs
PL
$5.97B
$277K 0.05%
8,352
– –
ELVA
71
Electrovaya
ELVA
$327M
$276K 0.05%
26,307
+50
+0.2% +$495
RNTX
72
Rein Therapeutics
RNTX
$69M
$238K 0.05%
229,070
-10,450
-4% -$12.6K
RMBS icon
73
Rambus
RMBS
$9.5B
$236K 0.05%
1,778
-944
-35% -$123K
BX icon
74
Blackstone
BX
$93.8B
$228K 0.04%
1,940
– –
MSFT icon
75
Microsoft
MSFT
$3.67T
$207K 0.04%
556
+11
+2% +$4.45K
1 2
3
4

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PDIP
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Gagnon Securities's Q2 2026 Portfolio in Review

As of Q2 2026, Gagnon Securities held 89 positions worth $519M, up 20% from $433M the previous quarter. Its ten largest holdings account for 48% of the portfolio.

Gagnon Securities's Q2 2026 filing shows 4 new, 25 increased, 46 reduced and 6 closed positions. Its largest new stake was Warby Parker: 11,381 shares worth $345K. The largest sale was Navigator Holdings, an estimated $17.1M.

By sector, the portfolio is most concentrated in Healthcare at 46% of assets, up from 41% a quarter earlier, followed by Technology and Industrials.

  • Gagnon Securities's largest Q2 2026 buy was Warby Parker: 11,381 shares worth $345K.
  • Gagnon Securities added most to GeneDx Holdings in Q2 2026, an estimated $12.6M increase.
  • Gagnon Securities's biggest Q2 2026 reduction was Treace Medical Concepts, cutting an estimated $5.97M.
  • Gagnon Securities fully exited Navigator Holdings in Q2 2026, selling an estimated $17.1M.
  • Gagnon Securities's ten largest holdings make up 48% of its $519M portfolio in Q2 2026.
  • Gagnon Securities opened 4 new positions and closed 6 in Q2 2026.
  • Gagnon Securities's portfolio value rose 20% quarter-over-quarter to $519M.

Based on Gagnon Securities's 13F filing for Q2 2026, filed 5 Aug 2026.