Who owns Birchtech Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BCHT from SEC Form 13F filings across 27 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 27 institutions disclosed 4.6M shares of Birchtech Corp. worth $9.3M — about 17.3% of shares outstanding; the largest disclosed holder is HEARTLAND ADVISORS INC. Source: SEC Form 13F filings, parsed by EvidInvest.
27
13F holders
$9.3M
value, 2026 filers
17.3%
of shares outstanding (4.6M sh)
10
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BCHT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | HEARTLAND ADVISORS INC | 1.0M | $2.0M | 0.1% | 3.8% | 0.0% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLCNEW | 721,182 | $1.5M | 0.0% | 2.7% | new |
| 3 | Ancora Advisors LLCNEW | 700,244 | $1.4M | 0.0% | 2.7% | new |
| 4 | CHAPIN DAVIS, INC. | 686,693 | $1.4M | 0.2% | 2.6% | 0.0% |
| 5 | Aristides Capital LLC | 425,000 | $871,250 | 0.2% | 1.6% | 0.0% |
| 6 | WHITE PINE CAPITAL LLC | 330,154 | $676,816 | 0.2% | 1.3% | +14.2% |
| 7 | GEODE CAPITAL MANAGEMENT, LLCNEW | 139,192 | $285,343 | 0.0% | 0.5% | new |
| 8 | VANGUARD FIDUCIARY TRUST CONEW | 103,667 | $212,517 | 0.0% | 0.4% | new |
| 9 | BlackRock, Inc.NEW | 71,250 | $146,063 | 0.0% | 0.3% | new |
| 10 | ARS Investment Partners, LLC | 64,200 | $131,610 | 0.0% | 0.2% | +25.6% |
| 11 | Diametric Capital, LP | 52,954 | $104,730 | 0.0% | 0.2% | +27.0% |
| 12 | Sigma Planning Corp | 52,412 | $107,445 | 0.0% | 0.2% | 0.0% |
| 13 | NORTHERN TRUST CORPNEW | 47,555 | $97,488 | 0.0% | 0.2% | new |
| 14 | CITADEL ADVISORS LLC | 41,385 | $84,839 | 0.0% | 0.2% | -18.8% |
| 15 | Crewe Advisors LLC | 35,600 | $72,980 | 0.0% | 0.1% | +114.5% |
| 16 | Corient Private Wealth LPNEW | 21,544 | $44,165 | 0.0% | 0.1% | new |
| 17 | UBS Group AG | 15,513 | $31,802 | 0.0% | 0.1% | +112.3% |
| 18 | WATERS PARKERSON & CO., LLC | 13,000 | $26,650 | 0.0% | 0% | 0.0% |
| 19 | CIBC WORLD MARKET INC. | 10,607 | $21,744 | 0.0% | 0% | 0.0% |
| 20 | Smartleaf Asset Management LLC | 9,091 | $18,637 | 0.0% | 0% | 0.0% |
| 21 | NATIONAL BANK OF CANADA /FI/ | 4,882 | $11,978 | 0.0% | 0% | +1.7% |
| 22 | Persistent Asset Partners LtdNEW | 3,094 | $6,121 | 0.0% | 0% | new |
| 23 | MORGAN STANLEY | 2,500 | $5,125 | 0.0% | 0% | 0.0% |
| 24 | ROYAL BANK OF CANADANEW | 506 | $1,000 | 0.0% | 0% | new |
| 25 | Caitong International Asset Management Co., Ltd | 10 | $20 | 0.0% | 0% | +11.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.