The latest 13F shows 645 net buyers vs 618 net sellers, $5.17B net inflows. Insiders recorded only 2 small sells worth $2.45M in 90 days, with zero buying.

Confirmation

Continued institutional conviction and absence of insider cluster sells would confirm this bullish view.

Invalidation Risk

A flip in institutional flows or a sudden insider buying spree would invalidate the thesis.

These game-theory scenarios are AI-generated from public 13F data and reflect historical patterns only — not a trading recommendation.

Insider Trading (Form 4)

90d confidence

unique buyers

—

buy value

data as of 2026-07-17

12-Month Buy/Sell Activity

Mar 25

Jun 25

Oct 25

Mar 26

BuySell

Action	Insider	Title	Date	Value
Sell	Wisecup Reyne K	Senior Executive VP	2026-03-05	$1.75M
Sell	SATTERLEE SCOTT	Director	2026-01-23	$705K
Buy	Nielsen Sarah N	Director	2025-11-19	$40K
Buy	Johnson Daniel L.	Director	2025-11-17	$40K
Buy	HSU Hsenghung Sam	Director	2025-11-13	$41K
Buy	HSU Hsenghung Sam	Director	2025-11-13	$50K
Buy	Eastman Stephen L.	Director	2025-11-12	$41K
Buy	HSU Hsenghung Sam	Director	2025-10-16	$42K

View all insider trades →

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 2026-07-16

2026-07-16 (/A)

Fastenal announced that its President and Chief Sales Officer, Mr. Watts, has been appointed as a director and will also become President and CEO, effective on the CEO Transition Date. His compensation package includes a $650,000 annual base salary, quarterly cash incentives tied to pre-tax profit growth, and no additional equity awards in 2026. He replaces Daniel L. Florness on the board.

View Full Filing (SEC EDGAR)

2026-07-14

Fastenal Company released its quarterly earnings on July 14, 2026, via a press release detailing its financial results for the most recent fiscal quarter.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

FAQ

Who are the top institutional investors holding FASTENAL CO (FAST)?

Major stakeholders currently include BlackRock, Inc. ($4.9B), Vanguard Capital Management LLC ($3.5B), Vanguard Portfolio Management LLC ($3.0B). Based on the latest 13F filings, there are a total of 1420 tracked investment funds and institutions maintaining positions in FAST.

What is the overall institutional sentiment toward FAST recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $5.2B, driven by 645 managers accumulating shares while 619 reduced their exposure.

Which institutions have been selling or reducing their FAST positions?

In the latest period, 523 funds trimmed their holdings, and 96 managers completely exited their positions. The aggregate reported sell value was $15.0B.

Are there any notable investors adding FAST to their portfolios?

Yes, buying activity remains notable. 137 institutions opened new positions in {ticker}, and 508 existing holders added to their shares. The total reported buy value for the quarter amounted to $22.9B.