Security key
84863T106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 11,489,550
- Total 13F value
- $107,184,000
- Share change
- -280,007
- SEC-reported price per share
- $9.33
- Number of holders
- 66
- Value change
- -$3,437,386
- Number of buys
- 19
- Number of sells
- 52
- Shares outstanding
- 20,597,466
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
66
Top holders
10
SPOK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
Spok Holdings, Inc SEC filings
Spok Holdings, Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 84863T106
Recent filing periods:
Ownership snapshot
Top reported holders of SPOK - Spok Holdings, 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
DEPRINCE RACE & ZOLLO INC
Disclosed value leader
DEPRINCE RACE & ZOLLO INC
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 7.3%
Showing 1-6 of 15 holder rows.
Quick read
DEPRINCE RACE & ZOLLO INC leads the comparable SEC ownership view at 7.3%.
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 DEPRINCE RACE & ZOLLO INC's linked filing trail.
Comparable ownership
Top 5
DEPRINCE RACE & ZOLLO INC
7.3%
DIMENSIONAL FUND ADVISORS LP
6.5%
RENAISSANCE TECHNOLOGIES LLC
6%
VANGUARD GROUP INC
4.1%
MILLENNIUM MANAGEMENT LLC
2.4%
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 |
|---|---|---|---|---|---|
| DEPRINCE RACE & ZOLLO INC |
13F
Company
|
7.3%
|
$15,468,000
1,513,522 shares
|
— | 30 Sep 2021 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
6.5%
|
$13,578,000
1,328,598 shares
|
— | 30 Sep 2021 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
6%
|
$12,609,000
1,233,722 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
4.1%
|
$8,574,000
838,923 shares
|
— | 30 Sep 2021 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
2.4%
|
$5,020,000
491,150 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
2%
|
$4,283,000
419,065 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
66
Shares
11,489,550
Rows available
66
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
80
Q4 2021 holders
66
Holder diff
-14
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend