Security key
338307101
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 19,152,317
- Total 13F value
- $408,350,605
- Share change
- +340,638
- Put/Call ratio
- 71%
- SEC-reported price per share
- $21.32
- Number of holders
- 103
- Value change
- +$9,093,223
- Number of buys
- 55
- Number of sells
- 50
- Shares outstanding
- 76,627,277
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
103
Top holders
10
FIVN full security history
Ownership snapshot
Full 13F holder table
Five9, Inc. SEC filings
Five9, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of FIVN - Five9, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Voss Capital, LP
Disclosed value leader
Voss Capital, LP
Comparable rows
15/15
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.4%
13D/G row: Voss Capital, LP
Showing 1-6 of 15 holder rows.
Quick read
Voss Capital, LP leads the comparable SEC ownership view at 6.4%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Voss Capital, LP's linked filing trail.
Comparable ownership
Top 5
Voss Capital, LP
6.4%
VANGUARD CAPITAL MANAGEMENT LLC
5.1%
Alyeska Investment Group, L.P.
4.2%
PICTET ASSET MANAGEMENT SA
3.8%
FMR LLC
0.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Voss Capital, LP |
13D/G
13F
Company
|
6.4%
|
$104,165,810
4,885,826 shares
|
-$29,889,872 | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.1%
|
$59,403,793
3,915,873 shares
|
$0 | 31 Mar 2026 |
| Alyeska Investment Group, L.P. |
13D/G
|
4.2%
|
$79,967,385
3,183,415 shares
|
$0 | 31 Dec 2024 |
| PICTET ASSET MANAGEMENT SA |
13D/G
|
3.8%
|
$52,618,429
2,872,185 shares
|
$0 | 26 Feb 2026 |
| FMR LLC |
13D/G
13F
Company
|
0.9%
|
$13,876,132
692,076 shares
|
-$65,147,322 | 31 Dec 2025 |
| Amit Mathradas |
3/4/5
Chief Executive Officer
|
0.94%
|
$13,130,731
716,743 shares
|
— | 24 Feb 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
103
Shares
19,152,317
Rows available
103
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
290
Q2 2026 holders
103
Holder diff
-187
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|