What does CUSIP 943315101 represent in this 13F holders report?

CUSIP 943315101 is the security identifier for WPP - WAUSAU PAPER CORP - COM used to aggregate holder disclosures.

How many institutions held WPP - WAUSAU PAPER CORP - COM in Q1 2021?

1 institutional investor reported WPP - WAUSAU PAPER CORP - COM for Q1 2021. Use the holders table for investor-level position and value details.

WAUSAU PAPER CORP - COM (WPP)

CUSIP: 943315101

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class: Equity / COM
Total 13F shares: 60
Total 13F value: $4,000
Share change: 0
SEC-reported price per share: $66.67
Number of holders: 1

Security key

943315101

Report period

Q1 2021

Institutions

Top holders

WPP full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 WPP plc SEC filings WPP plc company facts WPP plc 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 943315101

Newer quarter: Q4 2025

Recent filing periods:

Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of WPP - WAUSAU PAPER CORP - COM (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

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

0/15

Latest evidence

31 Dec 2020

13F Highest disclosed value: $53,224,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

FMR LLC has the largest disclosed position value at $53.22M.

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 FMR LLC's linked filing trail.

Disclosed position value Top 5

FMR LLC $53.22M

MACQUARIE GROUP LTD $42.1M

Mondrian Investment Partners LTD $37.51M

ROYAL BANK OF CANADA $37.17M

PARAMETRIC PORTFOLIO ASSOCIATES LLC $31.68M

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
FMR LLC	13F Company 13F	— denominator unverified	$53,224,000 984,171 shares	—	31 Dec 2020
MACQUARIE GROUP LTD	13F Company 13F	— denominator unverified	$42,097,000 778,415 shares	—	31 Dec 2020
Mondrian Investment Partners LTD	13F Company 13F	— denominator unverified	$37,506,000 693,530 shares	—	31 Dec 2020
ROYAL BANK OF CANADA	13F Company 13F	— denominator unverified	$37,171,000 687,346 shares	—	31 Dec 2020
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F Company 13F	— denominator unverified	$31,683,000 585,853 shares	—	31 Dec 2020
GOLDMAN SACHS GROUP INC	13F Company 13F	— denominator unverified	$29,347,000 542,652 shares	—	31 Dec 2020

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 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

Rows available

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 2021 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2021 holders

Holder diff

Investor	Q4 2025 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2021 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend