Cross-institution positioning
Jul 14, 2026Strong institutional reduction. 1 accumulating, 2 exited across 3 comparable institutions.
Source: Schedule 13 researchHDSN Institutional Ownership
HUDSON TECHNOLOGIES INC /NY
Latest stored close $5.14 as of Oct 9, 2026 View live quote ↗
STOCKNODE Outlook
Sell
33/100
3 tracked · 3 comparable
Latest filing
Jul 14, 2026
Positive breadth
1 positive · 2 negative
Recent close
$5.14
Research confidence
Medium
Institutional Research 15/100 · 1 accumulating · 2 reducing / exited
Ownership history
Reported ownership % history
Latest filing Jul 14, 2026
See how each tracked institution's reported ownership changed across SEC position dates. Full history is available with Investor or Pro access.
Locked preview
Unlock the reported ownership timeline
Unlock full research
Accumulating1
Newly reported0
Reducing / exited
2
52-week position
—
Institutional Intelligence
Why STOCKNODE says Sell
What the evidence shows across the newest institutional, insider, company-event, 13F, fundamental, and price data; STOCKNODE combines these layers into a quantitative research signal while preserving each source and reporting window.
STOCKNODE Outlook
Sell 33/100
Confidence:Medium
Why this signal
- 1 tracked institution accumulating versus 2 reducing/exited.
- Recent insider purchase activity confirms the institutional direction.
Conflicting evidence
- Institutions are reducing while recent insider P/S activity leans bullish.
Institutional
16/100
Insiders
78/100
Fundamentals
43/100
Events
50/100
Quarterly 13F activity
Jun 30, 20260 increased/new, 2 reduced/exited across 2 managers in the latest comparable Form 13F quarter.
Source: Form 13F quarter-end holdingsInsider filing activity
Sep 24, 2026Over the last 90 days, SEC-coded non-derivative P/S activity includes 11 purchases by 1 reporting owner and 0 sales by 0 reporting owners. Amendments are shown in the filing evidence but excluded from rolling activity totals.
Source: SEC Forms 3/4/5Material company events
Aug 6, 20262 non-amendment material events in the last 90 days; Latest classified evidence: Other event. Registration and prospectus filings are treated as financing capacity/disclosure evidence, not proof that securities were sold.
Source: SEC 8-K / securities filing metadataSEC fundamentals
Aug 7, 2026Revenue +19.5% YoY; Net income -51.3% YoY. Periods are compared only when the SEC facts are aligned and comparable.
Source: SEC Company FactsPrice context
Sep 15, 2026Recent close is 10% through its reported 52-week range; -50.2% over one year.
Source: Stored historical price series
Latest filing decision brief
Investor / Pro
Research the latest Schedule 13G amendment from Dimensional Fund Advisors.
Filed Jul 14, 2026. Unlock the dated position comparison, disclosure classification, confidence, price context, and filing-specific significance analysis.
Premium research values are withheld until unlocked.
Supporting institutional evidence
Institutional Evidence
The research summary above gives the current read. This section shows the dated holder-level evidence behind it.
Latest filing
Jul 14, 2026
Latest reported position changes
Investor / Pro detailSee each institution's newest reported position against its own prior report, with position as-of date separated from SEC filed date. Institution names and filing freshness remain public below.
BlackRock
Filed Jan 26, 2024
Direction locked
Dimensional Fund Advisors
Filed Jul 14, 2026
Direction locked
Vanguard Group
Filed Mar 27, 2026
Direction locked
Unlock the actual direction, share change, ownership change, and classification basis.
No premium position values are sent in this locked preview.
Unlock full research
Reported direction breadth by as-of date
Locked previewComparable holder direction grouped by SEC position as-of date — never presented as trade dates.
Unlock actual accumulation vs. reduction breadth across reported position dates.
View plans
Institution comparison
Investor / Pro detailCompare each institution only with its own prior reported position. Public visitors can see who is tracked and how fresh the filing is; paid research reveals the actual comparison.
BlackRock
Filed Jan 26, 2024
Dimensional Fund Advisors
Filed Jul 14, 2026
Vanguard Group
Filed Mar 27, 2026
Unlock the evidence behind the score
Know who changed position, by how much, and when the SEC learned about it.
Investor and Pro reveal holder-by-holder changes, reported ownership history, dated breadth, disclosure timing, institution comparison, and filing-specific analysis without treating Schedule 13 reports as trade dates.
✓ Actual share and ownership changes
✓ Position as-of date vs. SEC filed date
✓ Deterministic direction basis
✓ Full evidence on every eligible stock
SEC Forms 3, 4 & 5
Insider activity
Reported Section 16 ownership activity. Rolling purchase/sale totals use non-derivative SEC transaction codes P and S only; amendments remain visible but are excluded from those totals.
30-day purchases41 reporting owner(s)
30-day sales00 reporting owner(s)
90-day purchase breadth1
90-day sale breadth0
View recent insider filing evidence
| Date | Reporting owner | Code | Security | Shares | Price | Ownership | Filed |
|---|---|---|---|---|---|---|---|
| Sep 24, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 118.5K | $5.10 | Direct | Sep 28, 2026 |
| Sep 23, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 11.0K | $5.10 | Direct | Sep 23, 2026 |
| Sep 21, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 2.5K | $5.10 | Direct | Sep 23, 2026 |
| Sep 16, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 11.1K | $5.10 | Direct | Sep 18, 2026 |
| Sep 2, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 5.3K | $5.10 | Direct | Sep 4, 2026 |
| Aug 25, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 91.2K | $5.50 | Direct | Aug 26, 2026 |
| Aug 24, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 9.4K | $5.50 | Direct | Aug 26, 2026 |
| Aug 12, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 5.2K | $5.50 | Direct | Aug 14, 2026 |
| Jul 29, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 52.1K | $5.99 | Direct | Jul 31, 2026 |
| Jul 21, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 47.7K | $5.99 | Direct | Jul 22, 2026 |
| Jul 20, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 17.8K | $5.99 | Direct | Jul 22, 2026 |
| Jul 7, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 600 | $5.99 | Direct | Jul 8, 2026 |
| Jul 6, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 4.6K | $5.99 | Direct | Jul 8, 2026 |
| Jul 2, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 271.3K | $5.97 | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 288.1K | $5.88 | Direct | Jul 2, 2026 |
| Jun 30, 2026 | Hartree Partners, LP | POpen-market or private purchase | Common Stock, par value $0.01 | 204.8K | $5.68 | Direct | Jul 2, 2026 |
| Jun 17, 2026 | Sheriff Alan | AGrant, award, or other acquisition · derivative | Stock Options | 15.4K | $0.00 | Direct | Jun 22, 2026 |
| Jun 17, 2026 | Sheriff Alan | AGrant, award, or other acquisition | Common Stock | 3.2K | $0.00 | Direct | Jun 22, 2026 |
| Jun 17, 2026 | Prouty Eric A | AGrant, award, or other acquisition · derivative | Stock Options | 21.2K | $0.00 | Direct | Jun 22, 2026 |
| Jun 17, 2026 | Prouty Eric A | AGrant, award, or other acquisition | Common Stock | 4.4K | $0.00 | Direct | Jun 22, 2026 |
SEC company-event context
Material company events
Recent 8-K item classifications plus securities registration and prospectus filings. Registration or prospectus filings show financing capacity/disclosure activity; they do not by themselves prove that securities were sold.
30-day material events0
90-day capital-related0
90-day equity-related0
90-day debt-related0
View recent company-event filing evidence
| Filed | Form | 8-K item(s) | Classification | Capital context | SEC |
|---|---|---|---|---|---|
| Aug 6, 2026 | 8-K | 8.01, 9.01 | Other event; Financial statements / exhibits | — | Filing |
| Aug 5, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Jun 12, 2026 | 8-K | 8.01 | Other event | — | Filing |
| Jun 11, 2026 | 8-K | 5.07 | Shareholder vote results | — | Filing |
| May 28, 2026 | 8-K | 8.01, 9.01 | Other event; Financial statements / exhibits | — | Filing |
| May 20, 2026 | 8-K | 1.01, 2.03, 9.01 | Material definitive agreement; New direct financial obligation; Financial statements / exhibits | Debt | Filing |
| May 18, 2026 | 8-K | 7.01, 9.01 | Regulation FD disclosure; Financial statements / exhibits | — | Filing |
| May 6, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Apr 13, 2026 | 8-K | 5.02, 7.01, 9.01 | Director or executive change; Regulation FD disclosure; Financial statements / exhibits | — | Filing |
| Mar 18, 2026 | 8-K | 5.02, 8.01, 9.01 | Director or executive change; Other event; Financial statements / exhibits | — | Filing |
| Mar 4, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Feb 2, 2026 | 8-K | 5.02, 9.01 | Director or executive change; Financial statements / exhibits | — | Filing |
SEC-reported company fundamentals
Fundamentals
Period-aligned SEC facts. Comparisons appear only when periods and units are comparable.
Revenue
$74.0M
Q3 2025
+19.5% YoY 10-Q filed Nov 7, 2025
Operating income
$7.4M
Q2 2026
-41.9% YoY 10-Q filed Aug 7, 2026
Operating margin
18.9%
Q3 2025
+7.6 pts YoY 10-Q filed Nov 7, 2025
Net income
$4.9M
Q2 2026
-51.3% YoY 10-Q filed Aug 7, 2026
Diluted EPS
$0.12
Q2 2026
-47.8% YoY 10-Q filed Aug 7, 2026
Operating cash flow
$-6.0M
YTD through Jun 30, 2026
-129.0% YoY 10-Q filed Aug 7, 2026
Free cash flow
$-7.6M
YTD through Jun 30, 2026
-140.7% YoY 10-Q filed Aug 7, 2026
Cash & equivalents
$25.6M
As of Jun 30, 2026
-69.6% YoY 10-Q filed Aug 7, 2026
Long-term debt
$29.3M
As of Jun 30, 2023
-65.5% YoY 10-Q filed Aug 8, 2023
Assets
$322.1M
As of Jun 30, 2026
+1.3% YoY 10-Q filed Aug 7, 2026
Liabilities
$78.8M
As of Jun 30, 2026
+24.9% YoY 10-Q filed Aug 7, 2026
Stockholders’ equity
$243.3M
As of Jun 30, 2026
-4.5% YoY 10-Q filed Aug 7, 2026
Shares outstanding
42.1M
As of Jul 27, 2026
-3.6% YoY 10-Q filed Aug 7, 2026
View recent revenue trend
Quarterly
| Period | Revenue | YoY |
|---|---|---|
| Ended Sep 30, 2025 | $74.0M | +19.5% |
| Ended Jun 30, 2025 | $72.8M | -3.2% |
| Ended Mar 31, 2025 | $55.3M | -15.2% |
| Ended Sep 30, 2024 | $61.9M | -19.0% |
Annual
| Period | Revenue | YoY |
|---|---|---|
| Ended Dec 31, 2024 | $237.1M | -18.0% |
| Ended Dec 31, 2023 | $289.0M | -11.1% |
| Ended Dec 31, 2022 | $325.2M | +68.7% |
| Ended Dec 31, 2021 | $192.7M | — |
Current market context
Price performance
Dated price context from the historical market series already collected for this security.
Recent stored close
$5.20
View live quote ↗
52-week low
$4.64
May 20, 2026
52-week high
$10.49
Sep 16, 2025
Below 52-week high
50.4%
1W return
-2.8%
1M return
-8.3%
3M return
-7.0%
6M return
-9.7%
YTD return
-24.1%
1Y return
-50.2%
30-day volatility
55.0%
90-day volatility
57.5%
1Y max drawdown
-53.6%
Returns are close-to-close price changes. Volatility and drawdown are factual historical context, not recommendations.
How to read Schedule 13 ownership changes
Schedule 13G/13D reports beneficial ownership at an observation date. “Accumulation” or “reduction” is inferred from changes in reported shares when available; it is not a list of individual trades or exact execution prices.
Form 13F rows are quarter-end holding context only and do not establish an exact entry date.
For more context, see how to read a Schedule 13G, filing date vs event date, or Schedule 13G vs Schedule 13D.
Current ownership filings and reported ownership changes are available on free access. Investor and Pro add filing-specific significance scoring, disclosure-speed analysis, confirmation/divergence signals, and alerts. The overall institutional consensus preview remains public. Compare plans.
Beneficial ownership filing history
Showing 3 of 10 filing(s) · 7 older require more history accessView beneficial ownership filing evidence
| Holder | Observed / filed | Reported change | Shares | Ownership | Observation | Filing | Latest |
|---|---|---|---|---|---|---|---|
| Dimensional Fund Advisors CIK0000354204 | Jun 30, 2026 observed Jul 14, 2026 filed · 14d Schedule 13G amendment | Exit below reporting threshold | 2.0M -180.4K | 4.70% -0.40 pts | $5.74 | $6.23 | $5.14 |
| Dimensional Fund Advisors CIK0000354204 | Mar 31, 2026 observed Apr 9, 2026 filed · 9d Initial Schedule 13G | Initial Schedule 13G | 2.1M | 5.10% | $5.88 | $6.15 | $5.14 |
| Vanguard Group CIK0000102909 | Mar 13, 2026 observed Mar 27, 2026 filed · 14d Schedule 13G amendment | Exit below reporting threshold | 0 -2.5M | 0.00% -5.46 pts | $5.76 | $5.76 | $5.14 |
Explore more institutional activity
Related research
Compare HDSN with other securities showing similar institutional activity or recent accumulation across several tracked institutions.