# BIO-TECHNE CORP (TECH) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 09073M104
Page URL: https://superinvestorclub.com/stock/TECH
Last updated: 2026-08-29T13:48:12.960Z

## Summary

As of the most recent 13F filing period, BIO-TECHNE CORP (TECH) is held by 6 tracked superinvestors with an aggregate position value of $611.6M representing 033488412700698153561054320050196326750 shares.

## Top institutional holders (6)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Sequoia Fund](https://superinvestorclub.com/manager/14) | Ruane, Cunniff & Goldfarb | 3348841 | $236.6M | 3.68% | 2026-06-30 |
| 2 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 2700698 | $190.8M | 1.75% | 2026-06-30 |
| 3 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 1535610 | $108.5M | 0.96% | 2026-06-30 |
| 4 | [Wallace Weitz](https://superinvestorclub.com/manager/82) | Weitz Investment Management | 543200 | $38.4M | 2.66% | 2026-06-30 |
| 5 | [Henry Ellenbogen](https://superinvestorclub.com/manager/64) | Durable Capital Partners | 501963 | $35.5M | 0.34% | 2026-06-30 |
| 6 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 26750 | $1.9M | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $287,332 aggregate, 04082 shares
- 2024-06-30: 1 holders, $3.2M aggregate, 044100 shares
- 2024-09-30: 2 holders, $219.3M aggregate, 0269679647200 shares
- 2024-12-31: 2 holders, $220.1M aggregate, 02673768381250 shares
- 2025-03-31: 5 holders, $238.0M aggregate, 026517937916505228974745046314 shares
- 2025-06-30: 4 holders, $191.3M aggregate, 0271637880215015241747450 shares
- 2025-09-30: 6 holders, $530.3M aggregate, 0301265428074091473755139596680215041146 shares
- 2025-12-31: 5 holders, $645.5M aggregate, 03850923276753920888911465935802950 shares
- 2026-03-31: 6 holders, $836.0M aggregate, 047397214456017339200127502826532005977 shares
- 2026-06-30: 6 holders, $611.6M aggregate, 033488412700698153561054320050196326750 shares

## Recent congressional trades (22)

- 2026-04-08: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2026-03-26: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2026-02-24: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2026-01-28: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2026-01-28: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2025-12-05: April McClain Delaney (Democrat-MD) purchase $1,001 - $15,000
- 2025-12-02: April McClain Delaney (Democrat-MD) purchase $1,001 - $15,000
- 2025-10-22: April McClain Delaney (Democrat-MD) purchase $1,001 - $15,000
- 2025-08-01: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2025-05-28: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-05-26: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2025-05-26: April McClain Delaney (Democrat-MD) sale $1,001 - $15,000
- 2025-05-19: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-29: April McClain Delaney (Democrat-MD) purchase $1,001 - $15,000
- 2025-04-09: April McClain Delaney (Democrat-MD) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "BIO-TECHNE CORP (TECH) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/TECH), aggregating SEC 13F, Form 4, and congressional disclosures."