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Gagnon Securities LLC

SEC CIK
0001125725
Latest filing
Aug 4, 2026

FIVN holding history

Five9, Inc. in every 13F filed by Gagnon Securities LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

FIVN overviewAll 13F holders of FIVNFull Q2 2026 holdings

Shares (Q2 2026)
722,698
Value
$15.4M
% of portfolio
3.0%
Quarters held
22
Since Q1 2021
Holdings of FIVN by Gagnon Securities LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026722,698$15.4M3.0%+100,634+16.2%AddedHolders
Q1 2026622,064$9.44M2.2%−3,662−0.6%ReducedHolders
Q4 2025625,726$12.5M2.6%+326,323+109.0%AddedHolders
Q3 2025299,403$7.25M1.5%−108,049−26.5%ReducedHolders
Q2 2025407,452$10.8M2.2%+28,393+7.5%AddedHolders
Q1 2025379,059$10.3M2.3%+12,963+3.5%AddedHolders
Q4 2024366,096$14.9M3.0%+34,597+10.4%AddedHolders
Q3 2024331,499$9.52M1.9%+77,967+30.8%AddedHolders
Q2 2024253,532$11.2M2.5%+27,159+12.0%AddedHolders
Q1 2024226,373$14.1M3.3%+22,640+11.1%AddedHolders
Q4 2023203,733$16.0M3.8%−2,052−1.0%ReducedHolders
Q3 2023205,785$13.2M3.3%+353+0.2%AddedHolders
Q2 2023205,432$16.9M3.5%+3,009+1.5%AddedHolders
Q1 2023202,423$14.6M3.1%+1,885+0.9%AddedHolders
Q4 2022200,538$13.6M3.0%+45,742+29.5%AddedHolders
Q3 2022154,796$11.6M2.6%−1,426−0.9%ReducedHolders
Q2 2022156,222$14.2M3.0%+3,102+2.0%AddedHolders
Q1 2022153,120$16.9M2.8%+13,135+9.4%AddedHolders
Q4 2021139,985$19.2M2.9%+7,833+5.9%AddedHolders
Q3 2021132,152$21.1M3.1%+4,007+3.1%AddedHolders
Q2 2021128,145$23.5M3.3%−143−0.1%ReducedHolders
Q1 2021128,288$20.1M3.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.