Bio-Techne Corporation (TECH) Ownership
TECH ownership summary
as of October 18, 2026- Institutions
- 114.2% of shares outstanding
- Insiders
- 0.34% of shares outstanding
- Shares outstanding
- 156.8M
- Float
- 156.1M shares available to trade
- Short interest
- 4.72% 7.4M shares short
- Days to cover
- 2.42 short interest up 11.4% vs prior month
- Institutions 114.22%
- Insiders 0.34%
TECH top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.94% | 14.0M | $1.02B | +1.8M (+14.4%) | June 30, 2026 |
| 2 | FMR Inc | 8.16% | 12.8M | $928.5M | +4.9M (+62.0%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 6.52% | 10.2M | $741.6M | +38,849 (+0.4%) | June 30, 2026 |
| 4 | The Goldman Sachs Group Inc | 4.68% | 7.3M | $532.9M | +5.4M (+277.8%) | June 30, 2026 |
| 5 | HBK INVESTMENTS L P | 4.35% | 6.8M | $495.3M | +6.8M (0.0%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 4.15% | 6.5M | $472.2M | +26,023 (+0.4%) | June 30, 2026 |
| 7 | Morgan Stanley - Brokerage Accounts | 4.07% | 6.4M | $462.6M | −2.2M (−25.3%) | June 30, 2026 |
| 8 | State Street Corp | 3.81% | 6.0M | $434.0M | +111,974 (+1.9%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 3.41% | 5.4M | $388.4M | +239,044 (+4.7%) | June 30, 2026 |
| 10 | Amvescap Plc. | 3.18% | 5.0M | $361.9M | +397,718 (+8.7%) | June 30, 2026 |
| 11 | Ruane, Cunniff & Goldfarb L.P. | 2.14% | 3.3M | $243.0M | −43,160 (−1.3%) | June 30, 2026 |
| 12 | Snyder Capital Management LP | 2.02% | 3.2M | $229.6M | +1.3M (+68.1%) | June 30, 2026 |
| 13 | Neuberger Berman Group LLC | 1.81% | 2.8M | $206.4M | −496,145 (−14.9%) | June 30, 2026 |
| 14 | Massachusetts Financial Services Company | 1.75% | 2.7M | $199.3M | −986,786 (−26.4%) | June 30, 2026 |
| 15 | Mairs & Power Inc | 1.72% | 2.7M | $196.0M | −49,584 (−1.8%) | June 30, 2026 |
| 16 | Capital Research Global Investors | 1.67% | 2.6M | $190.3M | −566,320 (−17.8%) | June 30, 2026 |
| 17 | UBS Group AG | 1.58% | 2.5M | $179.9M | −575,736 (−18.8%) | June 30, 2026 |
| 18 | Dimensional Fund Advisors, Inc. | 1.44% | 2.3M | $163.5M | +280,376 (+14.2%) | June 30, 2026 |
| 19 | Whitebox Advisors, LLC | 1.34% | 2.1M | $152.4M | +2.1M (0.0%) | June 30, 2026 |
| 20 | Sumitomo Mitsui Trust Group Inc | 1.32% | 2.1M | $150.0M | +13,030 (+0.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 23.4M shares and 7 cut 4.9M.
TECH top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 5.0M | $361.3M | −5,591 (−0.1%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.62% | 4.1M | $298.3M | −48,724 (−1.2%) | September 30, 2026 |
| 3 | Vanguard Small Cap Index | 2.25% | 3.5M | $256.2M | −71,929 (−2.0%) | September 30, 2026 |
| 4 | Invesco S&P 500® Equal Weight ETF | 1.73% | 2.7M | $196.5M | −5,605 (−0.2%) | September 30, 2026 |
| 5 | iShares Core S&P 500 ETF | 1.33% | 2.1M | $151.6M | −3,367 (−0.2%) | September 30, 2026 |
| 6 | Fidelity 500 Index | 1.30% | 2.0M | $147.5M | +7,803 (+0.4%) | August 31, 2026 |
| 7 | Vanguard MStar Small Cap Growth Indx Inv | 1.25% | 2.0M | $142.4M | −104,922 (−5.1%) | September 30, 2026 |
| 8 | State Street® SPDR® S&P 500® ETF | 1.23% | 1.9M | $140.0M | — | September 30, 2026 |
| 9 | MFS Mid Cap Growth A | 1.16% | 1.8M | $131.7M | — | August 31, 2026 |
| 10 | BlackRock Event Driven Equity Instl | 0.94% | 1.5M | $106.7M | — | August 31, 2026 |
| 11 | Sequoia ETF | 0.88% | 1.4M | $100.6M | +10,302 (+0.7%) | June 30, 2026 |
| 12 | First Trust NYSE Arca Biotech ETF | 0.81% | 1.3M | $92.1M | — | September 30, 2026 |
| 13 | iShares Biotechnology ETF | 0.78% | 1.2M | $88.3M | −9,216 (−0.8%) | September 30, 2026 |
| 14 | HC Snyder US All Cap Equity Fdr USD Acc | 0.72% | 1.1M | $81.9M | +106,045 (+10.4%) | May 31, 2026 |
| 15 | State Street®HlthCrSelSectSPDR®ETF | 0.71% | 1.1M | $80.6M | +3,456 (+0.3%) | September 30, 2026 |
| 16 | American Funds SMALLCAP World A | 0.58% | 913K | $66.2M | −1.6M (−64.2%) | September 30, 2026 |
| 17 | Vanguard Institutional Index I | 0.53% | 829K | $60.2M | −8,950 (−1.1%) | September 30, 2026 |
| 18 | Vanguard Explorer Inv | 0.42% | 657K | $47.7M | −1.6M (−71.1%) | June 30, 2026 |
| 19 | iShares Russell Mid-Cap ETF | 0.41% | 645K | $46.8M | +1,197 (+0.2%) | September 30, 2026 |
| 20 | Strategic Advisers Fidelity US TtlStk | 0.41% | 638K | $46.3M | +59,164 (+10.2%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TECH insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Ro Khanna | Buy | $52.04 | — | — |
| 2026-03-26 | April McClain Delaney | Sell | $52.70 | — | — |
| 2026-02-24 | April McClain Delaney | Sell | $57.60 | — | — |
| 2026-01-29 | Ro Khanna | Buy | $63.98 | — | — |
| 2026-01-28 | April McClain Delaney | Sell | $65.56 | — | — |
| 2025-12-05 | April McClain Delaney | Buy | $61.68 | — | — |
| 2025-12-02 | April McClain Delaney | Buy | $62.95 | — | — |
| 2025-10-22 | April McClain Delaney | Buy | $63.79 | — | — |
| 2025-08-01 | April McClain Delaney | Sell | $54.89 | — | — |
| 2025-05-28 | Ro Khanna | Buy | $47.93 | — | — |
| 2025-05-26 | April McClain Delaney | Sell | $46.78 | — | — |
| 2025-05-19 | Ro Khanna | Buy | $49.28 | — | — |
| 2025-04-29 | April McClain Delaney | Buy | $50.50 | — | — |
| 2025-04-09 | April McClain Delaney | Buy | $54.07 | — | — |
| 2025-04-08 | Robert Bresnahan, Jr. | Sell | $48.81 | — | — |
| 2025-04-01 | Julie Johnson | Sell | $57.35 | — | — |
| 2025-02-25 | Robert Bresnahan, Jr. | Buy | $64.22 | — | — |
| 2025-02-14 | Amy E Herr | Sell | $65.96 | 1,860 | $122,686 |
| 2025-01-27 | Kim Kelderman | Sell | $77.29 | 13,392 | $1.0M |
| 2024-03-07 | Roeland Nusse | Sell | $76.98 | 10,400 | $800,592 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
TECH shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TECH
Institutional investors own 114.2% of Bio-Techne's shares and insiders 0.34%. The largest holder is BlackRock Inc with 8.94% of the shares (14.0M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 4.72% of the float, or 2.42 days of average trading volume. The share count rose 5.5% since 2014.
Related: TECH analyst forecast, TECH key metrics, TECH dividend history. See the TECH stock overview for the latest quote and news.
TECH ownership FAQ
Who owns the most Bio-Techne stock?
The largest shareholders of Bio-Techne are BlackRock Inc (8.94%), FMR Inc (8.16%), Vanguard Capital Management, LLC (6.52%), The Goldman Sachs Group Inc (4.68%), HBK INVESTMENTS L P (4.35%).
What percentage of Bio-Techne is owned by institutions?
Institutions hold 114.2% of Bio-Techne's shares outstanding; insiders hold 0.34%.
Which funds own Bio-Techne?
The largest fund holders of Bio-Techne are Vanguard MStar Total Stk Mkt Idx Invest (3.17%), Vanguard 500 Index Investor (2.62%), Vanguard Small Cap Index (2.25%), Invesco S&P 500® Equal Weight ETF (1.73%), iShares Core S&P 500 ETF (1.33%).
What is Bio-Techne's short interest?
7.4M shares of Bio-Techne were sold short, 4.72% of the float; at the average daily volume it would take 2.42 days to cover.
Are insiders buying or selling Bio-Techne?
Of the latest 20 reported insider transactions in Bio-Techne (since March 7, 2024), 10 were purchases and 10 were sales.
How many shares of Bio-Techne are outstanding?
Bio-Techne has 156.8M shares outstanding, of which 156.1M are in the public float.