EnerSys
US ˙ NYSE ˙ US29275Y1029

SecurityENS / EnerSys
InstitutionNatixis Advisors, L.p.
Latest Disclosed Ownership11,284 shares
Latest Disclosed Value $ 1,960
Natixis Advisors, L.p. reports 1.93% increase in ownership of ENS / EnerSys

On May 13, 2026 - Natixis Advisors, L.p. filed a 13F-HR form disclosing ownership of 11,284 shares of EnerSys (US:ENS) valued at $1,960,256 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 11,070 shares of EnerSys. This represents a change in shares of 1.93% during the quarter. The current value of the position is $2,709,740 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F ENERSYS COM 29275Y102 11,284 214 1.93 2 0.00 0.0027
2026-02-10 2025-12-31 13F ENERSYS COM 29275Y102 11,070 568 5.41 2 0.00 0.0023
2025-11-13 2025-09-30 13F ENERSYS COM 29275Y102 10,502 10,502 1 0.0017
2025-08-13 2025-06-30 13F ENERSYS COM 29275Y102 0 -13,234 -100.00 0 -100.00
2025-05-08 2025-03-31 13F ENERSYS COM 29275Y102 13,234 1,519 12.97 1 0.00 0.0022
2025-02-10 2024-12-31 13F ENERSYS COM 29275Y102 11,715 11,715 1 0.0020
2018-02-14 2017-12-31 13F ENERSYS COM 29275Y102 0 -51,316 -100.00 0 -100.00
2017-11-14 2017-09-30 13F ENERSYS COM 29275Y102 51,316 2,048 4.16 3,549 -0.59 0.0375
2017-07-27 2017-06-30 13F ENERSYS COM 29275Y102 49,268 49,268 3,570 0.0386
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.