ProPhase Labs, Inc. - COM (PRPH)

CUSIP: 74345W108

Q4 2021 13F Holders as of 31 Dec 2021

Share change
-137,727
Put/Call ratio
142%
SEC-reported price per share
$7.17
Number of holders
24
Value change
-$320,165
Number of buys
12
Open additional details 1 more signal available
Number of sells
9

Security key

74345W108

Report period

Q4 2021

Institutions

24

Top holders

10

Ownership snapshot

Top reported holders of PRPH - ProPhase Labs, Inc. - 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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
30 Sep 2021
13F Highest disclosed value: $2,430,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC has the largest disclosed position value at $2.43M.

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 VANGUARD GROUP INC's linked filing trail.
Disclosed position value Top 5
VANGUARD GROUP INC $2.43M
RENAISSANCE TECHNOLOGIES LLC $1.23M
PERRITT CAPITAL MANAGEMENT INC $980K
BANK OF MONTREAL /CAN/ $821K
GEODE CAPITAL MANAGEMENT, LLC $550K

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
VANGUARD GROUP INC
13F
Company
13F
class O/S missing
$2,430,000
467,342 shares
30 Sep 2021
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
class O/S missing
$1,230,000
236,510 shares
30 Sep 2021
PERRITT CAPITAL MANAGEMENT INC
13F
Company
13F
class O/S missing
$980,000
188,400 shares
30 Sep 2021
BANK OF MONTREAL /CAN/
13F
Company
13F
class O/S missing
$821,000
158,587 shares
30 Sep 2021
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
class O/S missing
$550,000
105,857 shares
30 Sep 2021
Avidian Wealth Enterprises, LLC
13F
Company
13F
class O/S missing
$547,000
105,202 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
24
Shares
1,509,414
Rows available
24
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
21
Q4 2021 holders
24
Holder diff
3
Investor Q3 2021 Shares Q4 2021 Shares Share Diff Share Chg % Q3 2021 value Q4 2021 value Value change Value Chg %
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .