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HomeStocksECLInstitutional Holders

ECL logoEcolab Inc. (ECL) Institutional Ownership

Q2 2026 13F Data|Updated 2026-11-07

✨

Institutional ownership increased this quarter (+1.35 pp), with a relatively well-distributed shareholder base.

Institutional Ownership
Can exceed 100% due to securities lending, short interest, and reporting timing differences.
80.4%$61.7B total value · ▲ +1.35 pp vs prior quarter
Smart Money Score
Based on ownership concentration, fund quality, buying/selling activity, ownership indicators, and institutional trend.
59 / 100Neutral
Institutions & Flow1,711 holders+2 net flow (+117 / -115)

AI Insights & Key Takeaways

  • Positive Institutional Flow (+2)
  • Gates Foundation Trust maintains a significant position
  • Top 10 holders control 44.6% of institutional value
  • Insiders Buying

Top Institutional Holders of ECL

Ranked by reported Q2 2026 13F market value

Top 10 Holders
44.6%
Top 25 Holders
60.9%

Share of total reported institutional value in ECL held by the largest 10 / 25 filers.

#InstitutionShares HeldMarket ValueQoQ ChangeOwnership %% of Fund
1BlackRock, Inc.23.1M$6.42B+1.1%8.191%0.10%
2VANGUARD CAPITAL MANAGEMENT LLC16.5M$4.61B+0.1%5.876%0.10%
3JPMORGAN CHASE & CO14.6M$4.07B+25.4%5.195%0.23%

Quarterly Institutional Activity

Filings activity in ECL during Q2 2026, grouped by how each filer changed its position.

OverviewNew Buyers117Added To1,133Trimmed402Exited115
  • BlackRock, Inc.$6.42B
  • VANGUARD CAPITAL MANAGEMENT LLC$4.61B
  • JPMORGAN CHASE & CO

ECL Institutional Ownership by Quarter

8 quarters of 13F filings · Δ columns show change vs prior quarter

QuarterInst. HoldersΔ HoldersOwnership %Δ OwnershipTotal 13F ValueΔ Value
Q2 20261,711+1.4%80.39%+1.35 pp$61.68B+6.7%
Q1 20261,688+2.9%79.04%+17.12 pp$57.80B+0.4%
Q4 20251,640+3.3%61.92%15.98 pp$57.57B1.7%
Q3 20251,5880.4%77.90%1.83 pp$58.59B12%
Q2 20251,595+1.5%79.73%+0.97 pp$66.53B+23%
Q1 20251,572

Recent Insider Activity in ECL

Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as a key fundamental indicator because executives are risking personal capital.

DateInsiderActionSharesPriceValue
Jun 11, 2026Clark Benjamin M. Buy1K$263.83$264K
Jun 10, 2026Doukeris Michel D Buy8K$258.00$2.0M
May 13, 2026MacLennan David Buy1K$250.65$251K
May 4, 2026MacLennan David Buy800$256.91$206K

ECL — Frequently Asked Questions

Quick answers to the most common questions about buying ECL stock.

What percentage of ECL is owned by institutions?

Based on Q2 2026 13F filings, institutional ownership of Ecolab Inc. stands at 80.4%, held across 1,711 reporting institutions.

Who is the largest institutional holder of ECL?

BlackRock, Inc. is the largest reported institutional holder of ECL, with approximately 23,051,363 shares worth $6.42B as of Q2 2026.

Is ECL a hedge fund favorite?

Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of ECL, including GATES FOUNDATION TRUST.

What is ECL's Smart Money Score?

Our composite Smart Money Score for ECL is 59 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

How many institutions bought ECL this quarter?

117 institutions opened new positions in ECL during Q2 2026, while 115 fully exited. 1,133 added to existing positions and 402 trimmed.

4STATE STREET CORP11.8M$3.29B+4.9%4.182%0.05%
5MORGAN STANLEY7.8M$2.18B+0.5%2.781%0.12%
6VANGUARD PORTFOLIO MANAGEMENT LLC6.3M$1.76B-0.3%2.239%0.08%
7GEODE CAPITAL MANAGEMENT, LLC6.0M$1.69B+0.1%2.131%0.09%
8GATES FOUNDATION TRUST5.2M$1.45B0.0%1.854%4.22%
9UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME3.6M$1.01B+1.5%1.285%0.18%
10ROYAL BANK OF CANADA3.6M$1.01B+3.3%1.283%0.15%
11Aristotle Capital Management, LLC3.5M$979.8M-5.2%1.250%2.06%
12NORGES BANK3.4M$933.6M—1.191%0.09%
13Capital Research Global Investors2.9M$797.8M-6.8%1.017%0.11%
14NORTHERN TRUST CORP2.7M$760.6M-1.8%0.970%0.09%
15Invesco Ltd.2.7M$755.4M+4.2%0.963%0.06%
16FRANKLIN RESOURCES INC2.5M$699.4M+0.0%0.892%0.15%
17Pictet Asset Management Holding SA2.5M$697.0M-23.2%0.889%0.67%
18ARROWSTREET CAPITAL, LIMITED PARTNERSHIP2.3M$639.0M+2.2%0.815%0.28%
19CHARLES SCHWAB INVESTMENT MANAGEMENT INC2.2M$626.8M+42.3%0.799%0.08%
20Amundi2.1M$598.5M-10.9%0.763%0.14%
21BANK OF AMERICA CORP /DE/2.1M$578.9M+5.6%0.738%0.04%
22GOLDMAN SACHS GROUP INC1.9M$541.8M-3.2%0.691%0.05%
23NORDEA INVESTMENT MANAGEMENT AB1.8M$499.3M+1.9%0.637%0.41%
24Legal & General Group Plc1.8M$495.1M-8.4%0.631%0.10%
25DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt1.7M$475.5M-5.1%0.606%0.36%

denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ECL — a direct measure of their conviction.

$4.07B
  • STATE STREET CORP$3.29B
  • MORGAN STANLEY$2.18B
  • VANGUARD PORTFOLIO MANAGEMENT LLC$1.76B
  • GEODE CAPITAL MANAGEMENT, LLC$1.69B
  • GATES FOUNDATION TRUST$1.45B
  • UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME$1.01B
  • ROYAL BANK OF CANADA$1.01B
  • NORTHERN TRUST CORP$760.6M
  • Invesco Ltd.$755.4M
  • +4.1%
    78.76%
    +19.15 pp
    $54.02B
    +8.8%
    Q4 20241,510+3.9%59.61%15.49 pp$49.67B7.1%
    Q3 20241,454—75.10%—$53.46B—

    Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.

    How is institutional ownership of ECL changing?

    ECL institutional ownership rose by 1.35 percentage points quarter-over-quarter, with a net change of +23 holders.

    How concentrated is ECL ownership among the top holders?

    The top 10 institutions account for 44.6% of all reported 13F value in ECL, and the top 25 account for 60.9%.

    Where does this ECL institutional ownership data come from?

    All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.

    ECLEcolab Inc.
    $300.68$84.6B
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