Five9, Inc.

FIVNNASDAQ

$33.78+0.49 (+1.47% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Five9, Inc. price and activity chart data

Showing the 1Y range: Oct 7, 2025 to Oct 7, 2026. Price (+52.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Vanguard Portfolio Management LLC	9.48%	$151M	0.01%	Not reported
BlackRock, Inc.	9.47%	$151M	0.00%	Not reported
Voss Capital, LP	6.51%	$104M	4.82%	Reduce 16.48%
Ameriprise Financial Inc	5.54%	$88.3M	0.02%	Not reported
Vanguard Capital Management LLC	4.43%	$70.6M	0.00%	Not reported
Van Berkom & Associates Inc.	4.16%	$66.3M	2.14%	Reduce 53.35%
Anson Funds Management LP	3.35%	$53.3M	3.16%	Not reported
Driehaus Capital Management LLC	3.03%	$48.3M	0.28%	New Not reported
Dimensional Fund Advisors LP	2.97%	$47.4M	0.01%	Not reported
Geode Capital Management, LLC	2.90%	$46.1M	0.00%	Not reported
State Street Corp	2.77%	$44.1M	0.00%	Not reported
First Trust Advisors LP	2.50%	$39.8M	0.02%	Add 32.93%
Armistice Capital, LLC	2.06%	$32.7M	0.40%	Not reported
Bank of America Corp	1.84%	$29.4M	0.00%	Not reported
AQR Capital Management LLC	1.64%	$25.7M	0.01%	Not reported
Susquehanna International Group, LLP	1.54%	$24.5M	0.00%	Not reported
Point72 Asset Management, L.P.	1.49%	$23.7M	0.03%	Not reported
Morgan Stanley	1.46%	$23.2M	0.00%	Not reported
Goldman Sachs Group Inc	1.37%	$21.8M	0.00%	Not reported
Invenomic Capital Management LP	1.19%	$19M	1.14%	Reduce 4.71%
Northern Trust Corp	1.16%	$18.5M	0.00%	Not reported
Gagnon Securities LLC	0.97%	$15.4M	2.97%	Add 16.18%
Cooper Creek Partners Management LLC	0.95%	$15.1M	0.36%	Not reported
Walleye Trading LLC	0.92%	$14.6M	0.02%	Not reported
Algert Global LLC	0.91%	$14.4M	0.17%	Not reported
UBS Group AG	0.91%	$14.4M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.86%	$13.7M	0.00%	Not reported
Glenmede Trust Co NA	0.75%	$11.9M	0.05%	Not reported
Clark Capital Management Group, Inc.	0.74%	$11.8M	0.06%	Reduce 38.77%
Citadel Advisors LLC	0.70%	$11.1M	0.00%	Not reported
Principal Financial Group Inc	0.69%	$11M	0.01%	Not reported
S Squared Technology, LLC	0.69%	$11M	3.41%	Reduce 3.74%
Vanguard Fiduciary Trust Co	0.68%	$10.8M	0.00%	Not reported
Deutsche Bank Ag\	0.65%	$10.4M	0.00%	Not reported
Bank of New York Mellon Corp	0.65%	$10.4M	0.00%	Not reported
Public Sector Pension Investment Board	0.65%	$10.4M	0.03%	New Not reported
Royce & Associates LP	0.65%	$10.4M	0.08%	Not reported
Acadian Asset Management LLC	0.64%	$10.1M	0.01%	Not reported
Cerity Partners LLC	0.63%	$10.1M	0.01%	Not reported
JPMorgan Chase & Co	0.62%	$9.87M	0.00%	Not reported
Two Sigma Investments, LP	0.60%	$9.5M	0.01%	Not reported
Royal Bank of Canada	0.59%	$9.48M	0.00%	Not reported
Balyasny Asset Management L.P.	0.58%	$9.23M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	0.55%	$8.71M	0.00%	Not reported
Squarepoint Ops LLC	0.50%	$7.98M	0.01%	Not reported
HERALD INVESTMENT MANAGEMENT Ltd	0.47%	$7.55M	1.02%	Reduce 2.07%
Gagnon Advisors, LLC	0.45%	$7.17M	4.56%	Not reported
Towle & Co	0.41%	$6.49M	2.20%	Not reported
Pacer Advisors, Inc.	0.40%	$6.31M	0.02%	Reduce 26.72%
BNP Paribas Financial Markets	0.39%	$6.25M	0.00%	Not reported

50 of 275 holders

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