What is CUSIP 952355204?

CUSIP 952355204 is the security identifier used in SEC filing datasets for WSTC - WEST CORP - COM.

Who owns WSTC - WEST CORP - COM based on 13F filings?

Open this security page to review the newest available 13F ownership history, top reported holders, and period-by-period changes.

Security Snapshot

WEST CORP - COM (WSTC) Institutional Ownership

CUSIP: 952355204

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2017

13F reference period

n/a

Institutions Reporting

Shares (Excl. Options)

Price

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Security type / class: Equity / COM
Symbol: WSTC

13F Shares, Excluding Options vs Price

13F Value, Excluding Options

Total Investors

Filing notes and source

Key facts

WSTC - WEST CORP - COM is tracked under CUSIP 952355204.
13F reference-period holder data is not available.
Schedule 13D/13G significant owner rows are not currently available.

Change

Holder data for the Q2 2026 reference period is not available.
Available periods remain in the history table; they do not substitute for the headline period.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Schedule 13D/G

Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.

Open SEC evidence

Security key

952355204

13F reference period

n/a

13F holders

13D/G owners

CIK / CUSIP context first

WSTC full holder history

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 952355204:

Q4 2017 (0 holders) Q3 2017 (133 holders) Q2 2017 (151 holders) Q1 2017 (141 holders) Q4 2016 (143 holders) Q3 2016 (138 holders) Q2 2016 (140 holders) Q1 2016 (128 holders) Q4 2015 (138 holders) Q3 2015 (141 holders)

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods

Headline period

n/a

Rows shown

1-16 of 16

Period	13F Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2017 Q4	0	$0	-$1,201,907,740	$0			0
2017 Q3	51,370,788	$1,205,624,723	-$132,906,787	$235,000	$235,000	$23.47	133
2017 Q2	58,679,401	$1,368,402,359	-$52,462,092	$343,000	$511,000	$23.32	151
2017 Q1	60,744,185	$1,482,977,363	+$78,243,899	$144,000	$1,809,000	$24.42	141
2016 Q4	64,118,373	$1,587,579,934	-$3,799,302	$146,000	$2,407,000	$24.76	143
2016 Q3	64,281,416	$1,418,291,032	+$368,810,428	$0	$947,000	$22.08	138
2016 Q2	46,336,192	$911,174,236	-$17,776,222	$464,000	$0	$19.66	140
2016 Q1	47,003,203	$1,072,530,574	+$7,608,101	$363,000	$411,000	$22.82	128
2015 Q4	46,638,419	$1,006,096,109	-$15,418,890	$541,000	$237,000	$21.57	138
2015 Q3	47,140,289	$1,056,069,574	+$31,351,087	$425,000	$390,000	$22.40	141
2015 Q2	46,738,932	$1,406,835,545	+$175,927,895	$810,000	$1,074,000	$30.10	148
2015 Q1	40,186,874	$1,355,484,872	+$302,033,255	$779,000	$1,838,000	$33.73	138
2014 Q4	30,871,711	$1,018,806,557	-$20,693,557		$238,000	$33.00	117
2014 Q3	31,572,820	$930,118,424	+$16,434,277	$0	$236,000	$29.46	109
2014 Q2	31,029,889	$831,595,210	+$19,860,707	$247,000		$26.80	98
2014 Q1	30,301,187	$725,082,606	+$7,354,571	$0	$0	$23.93	82