Skip to main content
TECHi home
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy

NASDAQ · Technology · Holders

NetApp Inc. (NTAP) Institutional Ownership & Insider Trading History

Top NTAP institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Section freshness

Prices as of Sep 28, 4:00 PM EDT · Fundamentals checked Sep 29, 7:01 AM EDT · Statements Jul 31, 2026

Ownership read

NTAP insider transaction activity: Mixed, sale-heavy.

Blackrock Inc. is the largest institutional holder. 57 sales and 1 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.

Review insider tradesView institutions

Insider flow

NTAP

Purchases5.52K
Sales375.22K

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

18.90M

Blackrock Inc.

Insider transaction activity

Mixed, sale-heavy

$50.02M sold / $499.6K bought

Observations shown

130

10 holder / 120 insider

Holder rows
10
Yahoo Finance · Filing dates shown per row
Increased / initiated
2
8 decreased · provider-reported changes
Insider rows
120
Yahoo Finance · Filing dates shown per row

Ownership concentration and transaction activity

Top 10 reported holders
44.04% outstanding
Changes with share-count history
Prior-position data unavailable
New / exited positions
0 / 0 explicitly reported
Largest increase with share-count history
Prior share counts unavailable

Reported-holder cohort only; absence from a limited provider list does not establish an exit. Changes are provider-reported and are only comparable quarter over quarter when the position periods match.

Net shares sold: 369,700

Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.

  • Purchase / sale; plan unknown: 58
  • Other / unclassified: 52
  • Grant: 9
  • Gift: 1

Top 10 institutional holders

NetApp Inc. (NTAP) institutional ownership

Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.

NetApp Inc. (NTAP) institutional ownership
#Institution% heldSharesChange %Position / filing date
1
Blackrock Inc.
9.62%18.90M-5.06%Position as of Jun 30, 2026Filing date unknown
2
Vanguard Capital Management LLC
6.56%12.89M+3.18%Position as of Jun 30, 2026Filing date unknown
3
Vanguard Portfolio Management LLC
6.25%12.28M-2.97%Position as of Jun 30, 2026Filing date unknown
4
State Street Corporation
5.05%9.92M-1.02%Position as of Jun 30, 2026Filing date unknown
5
Primecap Management Company
4.59%9.02M-0.45%Position as of Jun 30, 2026Filing date unknown
6
Geode Capital Management, LLC
3.24%6.37M-1.18%Position as of Jun 30, 2026Filing date unknown
7
Ameriprise Financial, Inc.
2.38%4.68M-22.06%Position as of Jun 30, 2026Filing date unknown
8
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
2.26%4.44M+9.45%Position as of Jun 30, 2026Filing date unknown
9
NORGES BANK
2.12%4.17M-2.49%Position as of Jun 30, 2026Filing date unknown
10
Wellington Management Group, LLP
1.97%3.86M-17.36%Position as of Jun 30, 2026Filing date unknown
Showing 10 of 10 matching institutional rows.

Recent insider transactions

NetApp Inc. (NTAP) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

NetApp Inc. (NTAP) Form 4 insider transactions
#Insider% companyActionSharesTransaction date
1
AHUJA DEEPAK
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

3.45KSep 21, 2026
2
KURIAN GEORGE
Chief Executive Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

13.00KSep 21, 2026
3
AHUJA DEEPAK
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

3.53KSep 14, 2026
4
KURIAN GEORGE
Chief Executive Officer
0.02%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

40.00KSep 14, 2026
5
NEVENS THOMAS MICHAEL
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

5.94KSep 11, 2026
6
O'CALLAHAN ELIZABETH M
Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

1.00KSep 10, 2026
7
GUSTAFSSON PER ANDERS
Director
<0.01%OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.
Transaction context
Classification:
Other / unclassified
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.31KSep 8, 2026
8
KERR DEBORAH LINDA
Director
<0.01%OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.
Transaction context
Classification:
Other / unclassified
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.31KSep 8, 2026
9
NEVENS THOMAS MICHAEL
Director
<0.01%OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.
Transaction context
Classification:
Other / unclassified
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.91KSep 8, 2026
10
HELD GERALD D
Director
<0.01%OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.
Transaction context
Classification:
Other / unclassified
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.31KSep 8, 2026
11
PALIN CARRIE
Director
<0.01%OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.
Transaction context
Classification:
Other / unclassified
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.31KSep 8, 2026
12
PELZER FRANCIS J V
Director
<0.01%OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.
Transaction context
Classification:
Other / unclassified
10b5-1:
Unknown; not supplied by provider
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.31KSep 8, 2026
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding.

Frequently asked

Common questions.

Who are the largest NTAP shareholders?

Blackrock Inc. is the largest reported institutional holder of NTAP, with 18.90 million shares, or about 9.62% of shares outstanding.

What does the institutional filing activity show for NTAP?

NetApp Inc. has 10 institutional rows on file: 2 increased or initiated positions and 8 reduced them.

What insider transactions are available for NTAP?

TECHi shows 120 dated NTAP insider transactions through Sep 21, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.

Are NTAP insiders buying or selling?

The displayed NTAP activity reads Mixed, sale-heavy: 57 sales and 1 purchases. Other transaction types remain separate.

Who is the most active reported NTAP insider?

KURIAN GEORGE has the largest absolute share movement in the displayed NTAP filing rows, totaling 467,223 shares. The action labels provide the transaction context.

All data sources

Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.

How to use this page

Use this to check who owns the float and whether insiders are active.

Best for Institutional concentration, insider transaction pattern, and float context.

Weak when Filings are delayed or transactions are administrative rather than economic.

Browse all companies and funds
Research tools
US market hours

Regular hours: 9:30 AM–4:00 PM America/New_York

Next open: Checking…

Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.