Security key
84863T106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 10,048,973
- Total 13F value
- $160,289,295
- Share change
- -158,274
- Put/Call ratio
- 68%
- SEC-reported price per share
- $15.95
- Number of holders
- 110
- Value change
- -$2,417,995
- Number of buys
- 51
- Number of sells
- 55
- Shares outstanding
- 20,597,466
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
Q1 2024
Institutions
110
Top holders
10
SPOK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 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
0/15
Latest evidence
31 Dec 2023
13F
Highest disclosed value: $21,811,924
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. has the largest disclosed position value at $21.81M.
0 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.
Disclosed position value
Top 5
BlackRock Finance, Inc.
$21.81M
VANGUARD GROUP INC
$15.39M
RENAISSANCE TECHNOLOGIES LLC
$15.08M
DIMENSIONAL FUND ADVISORS LP
$11.41M
HighTower Advisors, LLC
$9.91M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
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
|
—
denominator unverified
|
$21,811,924
1,409,039 shares
|
— | 31 Dec 2023 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$15,391,966
994,313 shares
|
— | 31 Dec 2023 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$15,081,000
974,222 shares
|
— | 31 Dec 2023 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$11,408,717
736,997 shares
|
— | 31 Dec 2023 |
| HighTower Advisors, LLC |
13F
Company
|
—
denominator unverified
|
$9,909,000
640,170 shares
|
— | 31 Dec 2023 |
| Foundry Partners, LLC |
13F
Company
|
—
denominator unverified
|
$6,924,049
447,290 shares
|
— | 31 Dec 2023 |
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 Q1 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
110
Shares
10,048,973
Rows available
110
| 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 Q1 2024 vs Q1 2024 Across Filers
Q1 2024 holders
110
Q1 2024 holders
110
Holder diff
0
| Investor | Q1 2024 Shares | Q1 2024 Shares | Share Diff | Share Chg % | Q1 2024 value | Q1 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend