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View all 403 holding institutions

Across its top 20 institutional holders, BIO's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 9/100, avg. turnover score 31/100).

Notable Holders

BIO ranks #1529 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

BIO is a top-conviction position for JNE Partners LLP — at 10.7% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in BIO belongs to First Eagle Investment Management, LLC, but the position matters far more to JNE Partners LLP, who has 10.7% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Wealth Enhancement Advisory Services, LLC has added to its BIO position for two straight quarters, increasing it by $336.1K to reach $588.9K today.

BIO is down 0.2% today, but institutions show net buying of $1.5B this quarter — a divergence between today's price move and the underlying institutional flow.

Company Fundamentals

BIO posted net income of $222.4M over the trailing twelve months, and currently trades at a P/E of 43.3.

Profitable — net income of $222.4M over the trailing twelve months
Revenue grew 1.4% year over year
Net income declined year over year, from $319.2M to $222.4M
Generated $532.2M in positive operating cash flow
Current ratio of 5.62x — enough short-term assets to cover short-term liabilities
Liabilities run 0.42x equity — within a conventional range

Price Chart

BIO Quarterly 13F Institutional Trade Shifts

Recent Activity

+$671.6M

Total Buy Value

$729.6M

Total Sell Value

New buy61

Trim157

Add123

Sold out51

184

Net Buyers

208

Net Sellers

Top Movers

BIO

Q2 2026

Top 5 Institutional Movers

Massachusetts Financial Services Co /ma/

-$108.1M

Trim

Parnassus Investments

-$70.9M

Sold out

Sixth Street Partners Management Company, L.P

+$57.4M

New buy

Southeastern Asset Management/tn/

-$45.4M

Sold out

First Eagle Investment Management

+$39.7M

Add

Data by AlphaSMO • Not financial advice.

Smart Money Convergence

BIO does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Recent BIO Insider Buying & Selling Activity (Form 4)

Congress Trading (STOCK Act)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

Filings (14d)

Data as of 2026-08-04

2026-08-04

Bio-Rad Laboratories (ticker: BIO) reported its financial results for the quarter ended June 30, 2026, on August 4, 2026, with the press release furnished as an exhibit to this 8-K and a supplemental earnings presentation incorporated by reference. The filing also flags a separate item on costs associated with exit or disposal activities, but the excerpt provides no specific figures or details on that item.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

CUSIP

090572207

FAQ

Who are the top institutional investors holding BIO-RAD LABORATORIES-A (BIO)?

Major stakeholders currently include First Eagle Investment Management, LLC ($765.2M), BlackRock, Inc. ($498.8M), Dimensional Fund Advisors LP ($277.3M). Based on the latest 13F filings, there are a total of 403 tracked investment funds and institutions maintaining positions in BIO.

What is the overall institutional sentiment toward BIO recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $1.5B, driven by 184 managers accumulating shares while 208 reduced their exposure.

Which institutions have been selling or reducing their BIO positions?

In the latest period, 157 funds trimmed their holdings, and 51 managers completely exited their positions. The aggregate reported sell value was $729.6M.

Are there any notable investors adding BIO to their portfolios?

Yes, buying activity remains notable. 61 institutions opened new positions in {ticker}, and 123 existing holders added to their shares. The total reported buy value for the quarter amounted to $671.6M.

* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.

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Developer Access

Access BIO's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/BIO

CLI

npx alphasmo stocks get BIO

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