Birchtech Corp. (BCHT) shareholders
BCHTNYSEMeasuring & Controlling Devices, NECFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 6/3037% below fair value
$1.17+0.07 (+6.36%)
Close on Nov 12, 2026Market cap $30.78MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
17.3%
5M of 26M shares
Institutional holders
27
9 new, 5 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
1 buys · 0 sales
Net bought $750.00K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| AC Midwest Energy LLC Joint filing with Alterna Core Capital Assets Fund II, L.P. (9.86%), Alterna Capital Partners LLC (9.86%) and 4 more | 9,300,000 | 9.86% | 13D (active) amendment | Mar 11, 2024 |
| Laurence W. Lytton | 1,380,513 | 5.20% | 13G (passive) | Sep 29, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of BCHT | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Heartland Advisors Inc | 1,000,000 | 3.80% | $2.05M | – | 0.09% |
| Vanguard Capital Management LLC | 721,182 | 2.74% | $1.48M | New | 0.00% |
| Ancora Advisors, LLC | 700,244 | 2.66% | $1.44M | +271,558 | 0.03% |
| Chapin Davis, Inc. | 686,693 | 2.61% | $1.41M | – | 0.25% |
| Aristides Capital LLC | 425,000 | 1.62% | $871.25K | – | 0.17% |
| White Pine Capital LLC | 330,154 | 1.26% | $676.82K | −310,904 | 0.16% |
| Geode Capital Management, LLC | 139,192 | 0.53% | $285.34K | New | 0.00% |
| Vanguard Fiduciary Trust Co | 103,667 | 0.39% | $212.52K | New | 0.00% |
| BlackRock, Inc. | 71,250 | 0.27% | $146.06K | New | 0.00% |
| ARS Investment Partners, LLC | 64,200 | 0.24% | $131.61K | +13,100 | 0.01% |
| Diametric Capital, LP | 52,954 | 0.20% | $104.73K | +11,269 | 0.01% |
| Sigma Planning Corp | 52,412 | 0.20% | $107.45K | – | 0.00% |
| Northern Trust Corp | 47,555 | 0.18% | $97.49K | New | 0.00% |
| Citadel Advisors LLC | 41,385 | 0.16% | $84.84K | −9,609 | 0.00% |
| Crewe Advisors LLC | 35,600 | 0.14% | $72.98K | +19,000 | 0.01% |
| Corient Private Wealth LLC | 21,544 | 0.08% | $44.17K | New | 0.00% |
| UBS Group AG | 15,513 | 0.06% | $31.80K | +8,207 | 0.00% |
| Waters Parkerson & Co., LLC | 13,000 | 0.05% | $26.65K | – | 0.00% |
| Cibc World Market Inc. | 10,607 | 0.04% | $21.74K | – | 0.00% |
| Smartleaf Asset Management LLC | 9,091 | 0.03% | $18.64K | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 27 | 5M | 17.3% | 9 / 7 | 2 / 5 | 1M | 0M |
| Q1 2026 | 23 | 4M | 13.6% | 21 / 1 | 1 / 0 | 4M | 0M |
| Q4 2025 | 2 | 0M | 0.4% | 2 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of BCHT | Value | % of fund | As of |
|---|---|---|---|---|---|
| Heartland Value Fund | 1,000,000 | 3.80% | $2.05M | 0.18% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 409,633 | 1.56% | $839.75K | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 233,653 | 0.89% | $478.99K | 0.00% | Jun 30, 2026 |
| iShares Micro-Cap ETF | 66,871 | 0.25% | $137.09K | 0.01% | Jun 30, 2026 |
| 1290 VT Micro Cap Portfolio | 4,379 | 0.02% | $8.98K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Richard MacPherson | President and CEO, Director, 10% owner | 13,686,000 | 52.03% | Mar 2, 2026 |
| Michael David Mioska | Chief Financial Officer | – | – | May 6, 2026 |
| John Pavlish | Senior VP/Chief Tech Officer | 2,995,528 | 11.39% | Dec 15, 2025 |
| David M. Kaye | Director | 525,356 | 2.00% | Dec 15, 2025 |
| Mitzi H. Coogler | Director | 10,000 | 0.04% | Jan 13, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Richard MacPherson President and CEO, Director, 10% owner | Feb 27, 2026 | Buy | +312,500 | $2.40 | $750.00K | 2,955,095 |
| David M. Kaye Director | Dec 12, 2025 | Option exercise | +250,000 | $0.58 | $145.00K | 525,356 |
| David M. Kaye Director | Dec 12, 2025 | Tax withholding | −155,214 | $0.93 | $144.35K | 370,142 |
| Richard MacPherson President and CEO, Director, 10% owner | Dec 12, 2025 | Option exercise | +500,000 | $0.58 | $290.00K | 13,523,381 |
| Richard MacPherson President and CEO, Director, 10% owner | Dec 12, 2025 | Tax withholding | −310,427 | $0.93 | $288.70K | 13,212,954 |
| John Pavlish Senior VP/Chief Tech Officer | Dec 11, 2025 | Tax withholding | −190,560 | $0.91 | $173.41K | 2,198,528 |
| John Pavlish Senior VP/Chief Tech Officer | Dec 11, 2025 | Option exercise | +300,000 | $0.58 | $174.00K | 2,389,088 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 20, 2025 | Option exercise | +500,000 | $0.19 | $95.00K | 13,204,403 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 20, 2025 | Tax withholding | −181,022 | $0.52 | $94.13K | 13,023,381 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 20, 2025 | Option exercise | +500,000 | $0.19 | $95.00K | 2,270,110 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 20, 2025 | Tax withholding | −181,022 | $0.52 | $94.13K | 2,089,088 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 24, 2024 | Tax withholding | −245,418 | $0.66 | $161.98K | 1,770,110 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 24, 2024 | Option exercise | +600,000 | $0.27 | $162.00K | 2,015,528 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 24, 2024 | Tax withholding | −681,715 | $0.66 | $449.93K | 1,415,528 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 24, 2024 | Option exercise | +1,000,000 | $0.45 | $450.00K | 2,097,243 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 24, 2024 | Tax withholding | −613,544 | $0.66 | $404.94K | 12,704,403 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 24, 2024 | Option exercise | +1,500,000 | $0.27 | $405.00K | 13,317,947 |
| Troy J. Grant Director | Jan 15, 2024 | Award | +50,000 | – | – | 200,000 |
| John Pavlish Senior VP/Chief Tech Officer | Dec 11, 2023 | Tax withholding | −3,472 | $0.99 | $3.44K | 1,097,243 |
| John Pavlish Senior VP/Chief Tech Officer | Dec 11, 2023 | Option exercise | +13,750 | $0.25 | $3.44K | 1,100,715 |
| David M. Kaye Director | Dec 11, 2023 | Option exercise | +6,250 | $0.25 | $1.56K | 276,934 |
| David M. Kaye Director | Dec 11, 2023 | Tax withholding | −1,578 | $0.99 | $1.56K | 275,356 |
| David M. Kaye Director | Nov 30, 2023 | Option exercise | +6,250 | $0.33 | $2.06K | 272,796 |
| David M. Kaye Director | Nov 30, 2023 | Tax withholding | −2,112 | $0.98 | $2.07K | 270,684 |
| John Pavlish Senior VP/Chief Tech Officer | Nov 30, 2023 | Option exercise | +13,750 | $0.33 | $4.54K | 1,091,611 |
| John Pavlish Senior VP/Chief Tech Officer | Nov 30, 2023 | Tax withholding | −4,646 | $0.98 | $4.55K | 1,086,965 |
| John Pavlish Senior VP/Chief Tech Officer | Oct 31, 2023 | Tax withholding | −6,777 | $0.41 | $2.78K | 1,077,861 |
| John Pavlish Senior VP/Chief Tech Officer | Oct 31, 2023 | Option exercise | +13,750 | $0.20 | $2.75K | 1,084,638 |
| Richard MacPherson President and CEO, Director, 10% owner | Oct 31, 2023 | Tax withholding | −8,112 | $0.41 | $3.33K | 11,817,947 |
| Richard MacPherson President and CEO, Director, 10% owner | Oct 31, 2023 | Option exercise | +16,458 | $0.20 | $3.29K | 11,826,059 |
| David M. Kaye Director | Oct 31, 2023 | Option exercise | +6,250 | $0.20 | $1.25K | 269,627 |
| David M. Kaye Director | Oct 31, 2023 | Tax withholding | −3,081 | $0.41 | $1.26K | 266,546 |
| John Pavlish Senior VP/Chief Tech Officer | Sep 29, 2023 | Tax withholding | −9,109 | $0.39 | $3.55K | 1,070,888 |
| John Pavlish Senior VP/Chief Tech Officer | Sep 29, 2023 | Option exercise | +13,750 | $0.26 | $3.58K | 1,079,997 |
| David M. Kaye Director | Sep 29, 2023 | Option exercise | +6,250 | $0.26 | $1.63K | 267,518 |
| David M. Kaye Director | Sep 29, 2023 | Tax withholding | −4,141 | $0.39 | $1.61K | 263,377 |
| Richard MacPherson President and CEO, Director, 10% owner | Sep 29, 2023 | Option exercise | +16,458 | $0.26 | $4.28K | 11,820,504 |
| Richard MacPherson President and CEO, Director, 10% owner | Sep 29, 2023 | Tax withholding | −10,903 | $0.39 | $4.25K | 11,809,601 |
| Richard MacPherson President and CEO, Director | Jul 28, 2023 | Tax withholding | −8,451 | $0.33 | $2.79K | 11,804,046 |
| Richard MacPherson President and CEO, Director | Jul 28, 2023 | Option exercise | +16,458 | $0.17 | $2.80K | 11,812,497 |
| David M. Kaye Director | Jul 28, 2023 | Option exercise | +6,250 | $0.17 | $1.06K | 264,477 |
| David M. Kaye Director | Jul 28, 2023 | Tax withholding | −3,209 | $0.33 | $1.06K | 261,268 |
| John Pavlish Senior VP/Chief Tech Officer | Jul 28, 2023 | Option exercise | +13,750 | $0.17 | $2.34K | 1,073,307 |
| John Pavlish Senior VP/Chief Tech Officer | Jul 28, 2023 | Tax withholding | −7,060 | $0.33 | $2.33K | 1,066,247 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 28, 2023 | Option exercise | +13,750 | $0.21 | $2.89K | 1,069,182 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 28, 2023 | Tax withholding | −9,625 | $0.30 | $2.89K | 1,059,557 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 28, 2023 | Tax withholding | −7,954 | $0.30 | $2.39K | 11,791,101 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 28, 2023 | Option exercise | +8,229 | $0.29 | $2.39K | 11,799,055 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 28, 2023 | Option exercise | +16,458 | $0.21 | $3.46K | 11,807,559 |
| Richard MacPherson President and CEO, Director, 10% owner | Jun 28, 2023 | Tax withholding | −11,520 | $0.30 | $3.46K | 11,796,039 |
| David M. Kaye Director | Jun 28, 2023 | Tax withholding | −4,375 | $0.30 | $1.31K | 258,227 |
| David M. Kaye Director | Jun 28, 2023 | Option exercise | +6,250 | $0.21 | $1.31K | 262,602 |
| David M. Kaye Secretary, Director | Jun 7, 2023 | Tax withholding | −4,898 | $0.37 | $1.81K | 256,352 |
| David M. Kaye Secretary, Director | Jun 7, 2023 | Option exercise | +6,250 | $0.29 | $1.81K | 261,250 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 5, 2023 | Option exercise | +6,875 | $0.29 | $1.99K | 1,060,678 |
| John Pavlish Senior VP/Chief Tech Officer | Jun 5, 2023 | Tax withholding | −5,246 | $0.38 | $1.99K | 1,055,432 |
| John Pavlish Senior VP/Chief Tech Officer | Feb 20, 2023 | Option exercise | +50,000 | $0.27 | $13.50K | 1,085,945 |
| John Pavlish Senior VP/Chief Tech Officer | Feb 20, 2023 | Tax withholding | −32,142 | $0.42 | $13.50K | 1,053,803 |
| David M. Kaye Secretary, Director | Feb 1, 2023 | Option exercise | +250,000 | $0.19 | $47.50K | 350,000 |
| David M. Kaye Secretary, Director | Feb 1, 2023 | Tax withholding | −95,000 | $0.50 | $47.50K | 255,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
0.38%
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
-42.6%
From 0M shares
Short volume, 20 days
19.6%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Birchtech's stock actually held short. Settlement fails (shares not delivered on time) peaked at 350 shares on Sep 14, 2026 over the last 90 days.
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