Security key
444144109
HUDSON TECHNOLOGIES INC /NY - Common Stock (HDSN)
CUSIP: 444144109
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 14,847,707
- Total 13F value
- $23,906,086
- Share change
- -110,488
- SEC-reported price per share
- $1.61
- Number of holders
- 34
- Value change
- -$66,964
- Number of buys
- 17
- Number of sells
- 11
- Shares outstanding
- 41,870,511
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
34
Top holders
10
HDSN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
HUDSON TECHNOLOGIES INC /NY SEC filings
HUDSON TECHNOLOGIES INC /NY company facts
Broader feeds
Reporting periods
Holder history for CUSIP 444144109
Recent filing periods:
Ownership snapshot
Top reported holders of HDSN - HUDSON TECHNOLOGIES INC /NY - 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
COOPER CREEK PARTNERS MAN...
Disclosed value leader
COOPER CREEK PARTNERS MAN...
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 10%
Showing 1-6 of 15 holder rows.
Quick read
COOPER CREEK PARTNERS MANAGEMENT LLC leads the comparable SEC ownership view at 10%.
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 COOPER CREEK PARTNERS MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
COOPER CREEK PARTNERS MANAGEMENT LLC
10%
ArrowMark Colorado Holdings LLC
8.7%
VANGUARD GROUP INC
3.5%
Granahan Investment Management, LLC
2.5%
Pekin Hardy Strauss, Inc.
1.8%
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 |
|---|---|---|---|---|---|
| COOPER CREEK PARTNERS MANAGEMENT LLC |
13F
Company
|
10%
|
$4,562,000
4,185,043 shares
|
— | 31 Dec 2020 |
| ArrowMark Colorado Holdings LLC |
13F
Company
|
8.7%
|
$3,967,000
3,639,104 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
3.5%
|
$1,583,000
1,451,868 shares
|
— | 31 Dec 2020 |
| Granahan Investment Management, LLC |
13F
Company
|
2.5%
|
$1,155,000
1,059,206 shares
|
— | 31 Dec 2020 |
| Pekin Hardy Strauss, Inc. |
13F
Company
|
1.8%
|
$821,000
753,157 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
1.7%
|
$781,000
716,186 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
34
Shares
14,847,707
Rows available
34
| 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 2020 Across Filers
Q4 2020 holders
33
Q1 2021 holders
34
Holder diff
1
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend