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 Mar 31, 2025
Ownership Breakdown
383
Institutional Holders
▲ 13 vs Q4
$3.42B
Total Inst. Value
▼ $52.38M vs Q4
36.52M
Shares Outstanding
freeFloat 99.45%
37.28M
13F Shares Held
▼ 356,020 vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. miscellaneous electrical machinery, equipment & supplies | 4.99M | 12.70% | 12.70% | $457.05B | May 2, 2025 | ▼ 119.3K |
VANGUARD GROUP INC miscellaneous electrical machinery, equipment & supplies | 4.62M | 11.76% | 11.76% | $423.43B | May 9, 2025 | ▼ 43.4K |
STATE STREET CORP miscellaneous electrical machinery, equipment & supplies | 1.53M | 3.88% | 3.88% | $139.84B | May 15, 2025 | ▼ 5.7K |
DIMENSIONAL FUND ADVISORS LP miscellaneous electrical machinery, equipment & supplies | 1.52M | 3.87% | 3.87% | $139.32B | May 13, 2025 | ▲ 43.6K |
INVESCO LTD. miscellaneous electrical machinery, equipment & supplies | 1.21M | 3.07% | 3.07% | $110.67B | May 12, 2025 | ▼ 40.9K |
EARNEST PARTNERS LLC miscellaneous electrical machinery, equipment & supplies | 1.10M | 2.79% | 2.79% | $100.39B | May 14, 2025 | ▼ 26.7K |
DEPRINCE RACE & ZOLLO INC miscellaneous electrical machinery, equipment & supplies | 1.01M | 2.58% | 2.58% | $92.89B | May 15, 2025 | ▼ 13.7K |
JANUS HENDERSON GROUP PLC miscellaneous electrical machinery, equipment & supplies | 1.01M | 2.57% | 2.57% | $94.03B | May 15, 2025 | ▼ 312.9K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous electrical machinery, equipment & supplies | 965.8K | 2.46% | 2.46% | $88.46B | May 13, 2025 | ▲ 25.0K |
FIRST TRUST ADVISORS LP miscellaneous electrical machinery, equipment & supplies | 848.2K | 2.16% | 2.16% | $77.68B | May 14, 2025 | ▲ 658.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
19
Increased
+1.51M shares1
New Positions
first time holders30
Decreased
−1.55M shares0
Sold Out
fully exitedNet shares change (top 50)
32.4K
+1.51M / −1.55M
Net new holders
-10
1 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 100.0% of total shares outstanding. Company insiders own approximately 0.55%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of EnerSys is BLACKROCK, INC., holding approximately 4.99 million shares — equal to 12.70% of outstanding shares — as of March 31, 2025.
A total of 383 institutional investors currently hold ENS stock, with a combined institutional value of approximately $3.42 billion as of the most recent 13F filing period.
Frequently asked questions
ENS ownershipEnerSys (ENS) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 12.70% stake. Company insiders hold 0.55%. Data sourced from SEC Form 13F as of March 31, 2025.