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Security record · archived quarter

FAST

Fastenal Company · Industrials · Industrial - Distribution

50.31 -1.9% mkt cap $57.73B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
14Tracked holders
-1Δ holders
61.53MShares held
$4.42BReported value
+1New positions
−2Exits
Stable Conviction score 40/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -6.7% · share flow +5.8% · net new positions -7.1%formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 166 +3 749.58M $35.99B +9 −5
Q1 2026 165 -5 733.28M $34.00B +3 −9
Q4 2025 169 +3 825.64M $33.14B +4
Q3 2025 20 +2 423.45M $20.76B +2 −1
Q2 2025 16 -1 374.86M $15.74B +1 −2
Q1 2025 14 0 63.90M $4.95B +1 −1
Q4 2024 14 -1 61.53M $4.42B +1 −2
Q3 2024 14 0 30.16M $2.15B +1 −1
Q2 2024 14 30.26M $1.90B
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 28.02M $2.01B 0.1% n/c 1 SEC ↗
2 Geode Capital Management (passive) 16.92M +1.4% $1.21B 0.1% ▲ Add 3 SEC ↗
3 Geode Capital Management (passive) 16.92M +1.4% $1.21B 0.1% ▲ Add 3 SEC ↗
4 Norges Bank (passive) 7.27M +2.4% $522.56M 0.1% ▲ Add 3 SEC ↗
5 T. Rowe Price 3.08M +100.8% $221.60M 0.0% ▲ Add 3 SEC ↗
6 T. Rowe Price 3.08M +100.8% $221.60M 0.0% ▲ Add 3 SEC ↗
7 Baillie Gifford 2.58M -4.6% $185.42M 0.1% ▼ Trim 3 SEC ↗
8 Baillie Gifford 2.58M -4.6% $185.42M 0.1% ▼ Trim 3 SEC ↗
9 Baillie Gifford 2.58M -4.6% $185.42M 0.1% ▼ Trim 3 SEC ↗
10 Baillie Gifford 2.58M -4.6% $185.42M 0.1% ▼ Trim 3 SEC ↗
11 Wellington Management 1.48M +301.9% $106.30M 0.0% ▲ Add 3 SEC ↗
12 Wellington Management 1.48M +301.9% $106.30M 0.0% ▲ Add 3 SEC ↗
13 Wellington Management 1.48M +301.9% $106.30M 0.0% ▲ Add 3 SEC ↗
14 Wellington Management 1.48M +301.9% $106.30M 0.0% ▲ Add 3 SEC ↗
15 Wellington Management 1.48M +301.9% $106.30M 0.0% ▲ Add 3 SEC ↗
16 AQR Capital Management 774.12K +87.2% $55.67M 0.1% ▲ Add 3 SEC ↗
17 AQR Capital Management 774.12K +87.2% $55.67M 0.1% ▲ Add 3 SEC ↗
18 AQR Capital Management 774.12K +87.2% $55.67M 0.1% ▲ Add 3 SEC ↗
19 AQR Capital Management 774.12K +87.2% $55.67M 0.1% ▲ Add 3 SEC ↗
20 AQR Capital Management 774.12K +87.2% $55.67M 0.1% ▲ Add 3 SEC ↗
21 Marshall Wace 438.24K New $31.51M 0.0% New 1 SEC ↗
22 Marshall Wace 438.24K New $31.51M 0.0% New 1 SEC ↗
23 Citadel Advisors 334.82K +263.1% $24.08M 0.0% ▲ Add 3 SEC ↗
24 Citadel Advisors 334.82K +263.1% $24.08M 0.0% ▲ Add 3 SEC ↗
25 Gotham Asset Management 202.68K +9.2% $14.57M 0.1% ▲ Add 3 SEC ↗
26 Renaissance Technologies 155.29K -31.7% $11.17M 0.0% ▼ Trim 3 SEC ↗
27 Millennium Management 138.25K -64.6% $9.94M 0.0% ▼ Trim 3 SEC ↗
28 D. E. Shaw & Co. 113.58K -23.1% $8.17M 0.0% ▼ Trim 3 SEC ↗
29 D. E. Shaw & Co. 113.58K -23.1% $8.17M 0.0% ▼ Trim 3 SEC ↗
30 Two Sigma Investments 28.50K -24.7% $2.05M 0.0% ▼ Trim 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Marshall Wace $31.51M 0.0%
Marshall Wace $31.51M 0.0%

Exited

Arrowstreet Capital $19.67M was 0.0%
Fisher Asset Management $309,572 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,403 holders, 939.92M shares, $42.41B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 13 Papenfuss Donnalee Kathleen

Officer · 1.36K sh · $70,132

Aug 13 Papenfuss Donnalee Kathleen

Officer · 7.89K sh · $405,626

Aug 10 Ancius Michael J

Director · 3.00K sh · $156,000

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API