GAGNON SECURITIES LLC

CIK: 0001125725Latest portfolio: $491.1M · Q4 2025

Holdings

86

Total Value

$491.1M

New Positions

86

Closed Positions

0

#StockSharesValue% PortfolioChangeType
1
CDNACAREDX INC
1,774,890$33.4M6.81%NEW
2
WGSGENEDX HOLDINGS CORP
253,534$33.0M6.71%NEW
3
ALAIR LEASE CORP
496,957$31.9M6.50%NEW
4
ENSGENSIGN GROUP INC
180,549$31.5M6.40%NEW
5
AMRCAMERESCO INC
832,884$24.4M4.97%NEW
6
ISRGINTUITIVE SURGICAL INC
31,797$18.0M3.67%NEW
7
EXASEXACT SCIENCES CORP
167,414$17.0M3.46%NEW
8
EPDENTERPRISE PRODS PARTNERS L P
527,601$16.9M3.44%NEW
9
BLBLACKLINE INC
279,398$15.4M3.15%NEW
10
PRNPROFOUND MED CORP
1,944,061$15.3M3.12%NEW
11
FRSHFRESHWORKS INC
1,230,011$15.1M3.07%NEW
12
NVGSNAVIGATOR HLDGS LTD
861,854$14.9M3.04%NEW
13
EQIXEQUINIX INC
17,142$13.1M2.67%NEW
14
PCRXPACIRA BIOSCIENCES INC
501,211$13.0M2.64%NEW
15
BLFSBIOLIFE SOLUTIONS INC
534,357$12.9M2.63%NEW
16
FIVNFIVE9 INC
625,726$12.5M2.55%NEW
17
KMXCARMAX INC
320,077$12.4M2.52%NEW
18
CAKECHEESECAKE FACTORY INC
226,594$11.4M2.33%NEW
19
CARGCARGURUS INC
270,822$10.4M2.11%NEW
20
GNRCGENERAC HLDGS INC
75,593$10.3M2.10%NEW
21
AMPLAMPLITUDE INC
698,870$8.1M1.65%NEW
22
HZOMarineMax Inc
322,053$7.8M1.59%NEW
23
TMCITREACE MED CONCEPTS INC
3,110,575$7.6M1.55%NEW
24
VERXVERTEX INC
364,643$7.3M1.48%NEW
25
CMGCHIPOTLE MEXICAN GRILL INC
156,975$5.8M1.18%NEW

Quarterly Changes

New Positions

Closed Positions

No closed positions this quarter

Sector Breakdown

Technology0.0% ($1.5447150671254583e+79T)
Healthcare0.0% ($3.343832974314512e+69T)
Consumer Cyclical0.0% ($1.2367114381038678e+36T)
Industrials0.0% ($31919243951030.9T)
Unknown0.0% ($407837981185.9T)
Energy0.0% ($16914149272.2T)
Real Estate0.0% ($13133481.1T)
Financial Services0.0% ($152991.9T)
Communication Services0.0% ($825.8T)
Consumer Defensive0.0% ($1.2M)

Filing History

QuarterFiling DatePortfolio ValueHoldings
Q4 2025Feb 13, 2026$491.1M86
Q3 2025Nov 3, 2025$498.5B0
Q2 2025Jul 23, 2025$492.4B87
Q1 2025May 9, 2025$454.5B98

Fund Information

CIK0001125725
Most Recent FilingFeb 13, 2026
Number of Filings4

GAGNON SECURITIES LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $491.1M across 86 holdings. The largest position is CAREDX INC (CDNA), representing 6.8% of the portfolio. Compared to the previous quarter, the fund opened 86 new positions and closed 0 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.