$ENS

$171.45 -$2.72 (1.56%) Close

$ENS Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 36.1M shares outstanding

Who owns ENS?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 47.2%

BlackRock, Inc. 14.5% · Vanguard Portfolio Management LLC 6.5%

Institutional ownership

100.0%

+1.3 pts vs last qtr

Institutional holders

552

+52 vs last qtr

Net shares bought

+1.1M

by institutions in Q2 2026

New / sold out

107 / 55

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Price T Rowe Associates Inc /MD/ +827.6K
Norges Bank NEW +488.2K

Biggest sellers in Q2 2026

Dimensional Fund Advisors LP −277.6K
T. Rowe Price Investment Management, Inc. −254.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$1.02M

1 notice from 1 person

Shares covered

6.7K

0.02% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Chad Uplinger Officer $1.02M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

−13.3%

−1.58% a year

Each share's claim on the business

+15.4%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.01B vs $249M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years74% 3–5 years5% 1–3 years11% Under 1 year9%

Quarterly turnover

10.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ENS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	5.2M	14.48%	+147.7K (+2.9%)	≤2021	0.0%
Shares held by quarter Peak holding5.3M (Q3'24) Change over 8 quarters−122.7K Share of the company14.480% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	2.3M	6.51%	−29.6K (−1.2%)	≤2021	0.0%
Shares held by quarter Peak holding2.4M (Q1'26) Change over 8 quarters+2.3M Share of the company6.510% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

5.2M

% of company

14.48%

Change vs last qtr

+147.7K (+2.9%)

Held since

≤2021

Vanguard Portfolio Management LLC

2.3M

% of company

6.51%

Change vs last qtr

−29.6K (−1.2%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding EnerSys, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ENS on Form N-PORT; together they hold 50.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$295M	1.3M	3.50%	0.24%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$271M	1.2M	3.21%	0.01%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$295M

% of company

3.50%

% of the fund

0.24%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$271M

% of company

3.21%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding EnerSys and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
OS O'Connell Shawn M. Insider	101.3K	0.28%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.280% O'Connell Shawn M.'s insider activity →
HH Hoffen Howard I Insider	84.3K	0.23%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.230% Hoffen Howard I's insider activity →

O'Connell Shawn M.

Insider

101.3K

% of company

0.28%

Change vs last qtr

—

Held since

—

Hoffen Howard I

Insider

84.3K

% of company

0.23%

Change vs last qtr

—

Held since

—

15 more holders behind a free account

See every insider and 5%+ holder of EnerSys.

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