GAGNON SECURITIES LLC

All 13F Filings

Location
New York, NY
Most recent 13F
Q2 2026
Holdings value ($000)
518,827
Description
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Website
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Founded
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Chairman
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CEO
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All SEC filings
View on sec.gov

Sector allocation over time (stocks only)

Stacked by quarter. Hover to see detailed sector breakdown for any quarter.

Quarter Date Filed Holdings Value ($000) Form Type Name
Q2 2026 8/4/2026 85 518,827 13F-HR GAGNON SECURITIES LLC
Q1 2026 4/21/2026 85 433,208 13F-HR GAGNON SECURITIES LLC
Q4 2025 2/13/2026 86 491,087 13F-HR GAGNON SECURITIES LLC
Q3 2025 11/3/2025 86 498,503 13F-HR GAGNON SECURITIES LLC
Q2 2025 7/23/2025 87 492,358 13F-HR GAGNON SECURITIES LLC
Q2 2014 7/31/2014 106 308,944 13F-HR GAGNON SECURITIES LLC
Q1 2014 5/6/2014 104 336,609 13F-HR GAGNON SECURITIES LLC
Q4 2013 2/6/2014 98 333,057 13F-HR/A - RESTATEMENT GAGNON SECURITIES LLC
Q4 2013 1/14/2014 98 320,421 13F-HR GAGNON SECURITIES LLC
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Money flow by instrument (QoQ, ex-options)
Type Value ($000) Share % Inflow Outflow Net
Stocks 507.1 K 100.0% 83.26 K 0 83.26 K
ETFs 0 0.0% 0 9.331 K -9.331 K
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Fund Snapshot

Q2 2026
Latest filed
8/4/2026
Total value ($000)
518,827
Holdings
85
QoQ value change ($000)
85,619 (19.8%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology: sector allocation is stocks-only; instrument flow table is ex-options; options exposure is shown separately. Details.