Security key
84863T106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 15,113,189
- Total 13F value
- $184,805,235
- Share change
- -352,765
- SEC-reported price per share
- $12.23
- Number of holders
- 107
- Value change
- -$4,253,342
- Number of buys
- 40
- Number of sells
- 64
- 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 2019
Institutions
107
Top holders
10
SPOK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2019
13F
Lead comparable stake: 14%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 14%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
14%
DIMENSIONAL FUND ADVISORS LP
7.8%
RENAISSANCE TECHNOLOGIES LLC
7.5%
VANGUARD GROUP INC
6.7%
PUNCH & ASSOCIATES INVESTMENT MAN...
3.6%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
14%
|
$35,367,000
2,962,130 shares
|
— | 30 Sep 2019 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
7.8%
|
$19,298,000
1,616,206 shares
|
— | 30 Sep 2019 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
7.5%
|
$18,358,000
1,537,543 shares
|
— | 30 Sep 2019 |
| VANGUARD GROUP INC |
13F
Company
|
6.7%
|
$16,580,000
1,388,647 shares
|
— | 30 Sep 2019 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13F
Company
|
3.6%
|
$8,899,000
745,347 shares
|
— | 30 Sep 2019 |
| STATE STREET CORP |
13F
Company
|
3%
|
$7,287,000
610,335 shares
|
— | 30 Sep 2019 |
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 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
107
Shares
15,113,189
Rows available
107
| 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 2019 vs Q3 2019 Across Filers
Q3 2019 holders
115
Q4 2019 holders
107
Holder diff
-8
| Investor | Q3 2019 Shares | Q4 2019 Shares | Share Diff | Share Chg % | Q3 2019 value | Q4 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend