EnerSys
EnerSys (ENS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ENS · as of Sep 30, 2025
Ownership Breakdown
385
Institutional Holders
▲ 8 vs Q2
$4.03B
Total Inst. Value
▲ $883.05M vs Q2
36.52M
Shares Outstanding
freeFloat 99.45%
35.71M
13F Shares Held
▼ 969,872 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ENS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC miscellaneous electrical machinery, equipment & supplies | 4.50M | 11.60% | 11.60% | $508.26B | Nov 7, 2025 | ▼ 137.3K |
BLACKROCK, INC. miscellaneous electrical machinery, equipment & supplies | 4.50M | 11.59% | 11.59% | $507.88B | Nov 12, 2025 | ▼ 208.5K |
DIMENSIONAL FUND ADVISORS LP miscellaneous electrical machinery, equipment & supplies | 1.60M | 4.11% | 4.11% | $180.33B | Nov 12, 2025 | ▼ 9.0K |
STATE STREET CORP miscellaneous electrical machinery, equipment & supplies | 1.47M | 3.80% | 3.80% | $166.52B | Nov 14, 2025 | ▼ 50.0K |
INVESCO LTD. miscellaneous electrical machinery, equipment & supplies | 1.16M | 2.99% | 2.99% | $130.90B | Nov 13, 2025 | ▲ 64.5K |
DEPRINCE RACE & ZOLLO INC miscellaneous electrical machinery, equipment & supplies | 1.04M | 2.69% | 2.69% | $117.80B | Oct 17, 2025 | ▼ 50.4K |
EARNEST PARTNERS LLC miscellaneous electrical machinery, equipment & supplies | 1.04M | 2.67% | 2.67% | $117.10B | Nov 14, 2025 | ▼ 56.4K |
FIRST TRUST ADVISORS LP miscellaneous electrical machinery, equipment & supplies | 965.0K | 2.49% | 2.49% | $109.01B | Nov 12, 2025 | ▲ 82.9K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous electrical machinery, equipment & supplies | 961.9K | 2.48% | 2.48% | $108.67B | Nov 12, 2025 | ▼ 27.1K |
NEW SOUTH CAPITAL MANAGEMENT INC miscellaneous electrical machinery, equipment & supplies | 857.6K | 2.21% | 2.21% | $96.87B | Nov 6, 2025 | ▲ 158.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+1.79M shares0
New Positions
first time holders28
Decreased
−1.17M shares0
Sold Out
fully exitedNet shares change (top 50)
+617.8K
+1.79M / −1.17M
Net new holders
-7
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ENS insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Fisher Keith D. Pres. Network & Infrastructure | May 28, 2026 | Award | 503 | — | — | 26.0K | Form 4 ↗ |
Fisher Keith D. Pres. Network & Infrastructure | May 28, 2026 | Award | 2,516 | $228.33 | $574.5K | 25.5K | Form 4 ↗ |
Funk Andrea J. EVP and CFO | May 29, 2026 | Purchase | 108 | $228.47 | $24.7K | 56.4K | Form 4 ↗ |
Funk Andrea J. EVP and CFO | May 23, 2026 | Tax Withhold | 2,051 | $232.24 | $476.3K | 56.3K | Form 4 ↗ |
Knausenberger Lauren director | Apr 13, 2026 | Award | 27 | — | — | 5.5K | Form 4 ↗ |
Knausenberger Lauren director | Apr 13, 2026 | Award | 136 | $194.61 | $26.5K | 5.4K | Form 4 ↗ |
Habiger David C director | Apr 13, 2026 | Award | 28 | — | — | 6.1K | Form 4 ↗ |
Habiger David C director | Apr 13, 2026 | Award | 143 | $194.61 | $27.8K | 6.1K | Form 4 ↗ |
Morytko Tamara director | Apr 13, 2026 | Award | 28 | — | — | 10.2K | Form 4 ↗ |
Morytko Tamara director | Apr 13, 2026 | Award | 143 | $194.61 | $27.8K | 10.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
EnerSys (ENS) is primarily owned by institutional investors, who hold approximately 97.8% of total shares outstanding. Company insiders own approximately 0.55%, while retail and public investors account for the remaining 1.67%.
The largest institutional shareholder of EnerSys is VANGUARD GROUP INC, holding approximately 4.50 million shares — equal to 11.60% of outstanding shares — as of September 30, 2025.
A total of 385 institutional investors currently hold ENS stock, with a combined institutional value of approximately $4.03 billion as of the most recent 13F filing period.
Frequently asked questions
ENS ownershipEnerSys (ENS) is primarily owned by institutional investors, who hold approximately 97.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.60% stake. Company insiders hold 0.55%. Data sourced from SEC Form 13F as of September 30, 2025.