Security key
343389102
FLOTEK INDUSTRIES, INC. - Common Stock, par value $0.0001 per share (FTK)
CUSIP: 343389102
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 18,946,617
- Total 13F value
- $21,407,872
- Share change
- -3,446,081
- Put/Call ratio
- 101%
- SEC-reported price per share
- $1.13
- Number of holders
- 40
- Value change
- -$4,027,352
- Number of buys
- 17
- Number of sells
- 24
- Shares outstanding
- 38,043,733
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
Q4 2021
Institutions
40
Top holders
10
FTK full security history
Ownership snapshot
Full 13F holder table
FLOTEK INDUSTRIES INC/CN/ SEC filings
FLOTEK INDUSTRIES INC/CN/ company facts
Broader feeds
Ownership snapshot
Top reported holders of FTK - FLOTEK INDUSTRIES, INC. - Common Stock, par value $0.0001 per share (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
Nierenberg Investment Man...
Disclosed value leader
Nierenberg Investment Man...
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 13%
Showing 1-6 of 15 holder rows.
Quick read
Nierenberg Investment Management Company, LLC leads the comparable SEC ownership view at 13%.
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 Nierenberg Investment Management Company, LLC's linked filing trail.
Comparable ownership
Top 5
Nierenberg Investment Management ...
13%
VANGUARD GROUP INC
7.9%
MASTERS CAPITAL MANAGEMENT LLC
7.9%
DIMENSIONAL FUND ADVISORS LP
6.9%
NEEDHAM INVESTMENT MANAGEMENT LLC
3.9%
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 |
|---|---|---|---|---|---|
| Nierenberg Investment Management Company, LLC |
13F
Company
|
13%
|
$6,100,000
4,840,969 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
7.9%
|
$3,805,000
3,019,334 shares
|
— | 30 Sep 2021 |
| MASTERS CAPITAL MANAGEMENT LLC |
13F
Company
|
7.9%
|
$3,780,000
3,000,000 shares
|
— | 30 Sep 2021 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
6.9%
|
$3,307,000
2,624,899 shares
|
— | 30 Sep 2021 |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13F
Company
|
3.9%
|
$1,890,000
1,500,000 shares
|
— | 30 Sep 2021 |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
Company
|
3.6%
|
$1,748,000
1,387,668 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
40
Shares
18,946,617
Rows available
40
| 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
41
Q4 2021 holders
40
Holder diff
-1
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|