# 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: 2026-07-08T11:36:19.169Z

## 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 $836.0M representing 047397214456017339200127502826532005977 shares.

## Top institutional holders (6)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 4739721 | $247.7M | 2.86% | 2026-03-31 |
| 2 | [Henry Ellenbogen](https://superinvestorclub.com/manager/64) | Durable Capital Partners | 4456017 | $232.9M | 2.40% | 2026-03-31 |
| 3 | [Sequoia Fund](https://superinvestorclub.com/manager/14) | Ruane, Cunniff & Goldfarb | 3392001 | $177.3M | 2.94% | 2026-03-31 |
| 4 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 2750282 | $143.7M | 1.47% | 2026-03-31 |
| 5 | [Wallace Weitz](https://superinvestorclub.com/manager/82) | Weitz Investment Management | 653200 | $34.1M | 2.38% | 2026-03-31 |
| 6 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 5977 | $312,358 | 0.00% | 2026-03-31 |

## 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: 3 holders, $51.6M aggregate, 080215015241747450 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

## Recent congressional trades (17)

- 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
- 2025-05-19: 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
- 2025-04-08: Rob Bresnahan (Republican-PA) sale $1,001 - $15,000
- 2025-04-01: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-02-25: Rob Bresnahan (Republican-PA) purchase $1,001 - $15,000
- 2025-02-25: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-19: Ro Khanna (Democrat-CA) sale $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."