Historical position

BlackRock, Inc.’s Zscaler Inc (ZS) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

BlackRock, Inc.Verified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ3 2021Earliest verified positive filing snapshot
Latest statusHistorical positionBased on the latest supported relationship state
Peak shares7.83MHighest verified quarter-end share count
Quarters reported9Verified quarters with shares above zero
What happened?

BlackRock, Inc. first reported Zscaler Inc in Q3 2021. The reported position was increased and reduced across later filings. Verified positive position history runs through Q4 2025. The current relationship status cannot be determined reliably from supported data.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q4 2025
Bought 0.5% more+39.00K shares · 7.83M shares reported after the change
Filing context

Quarter-end price $224.92

Q3 2025
Bought 5.8% more+426.72K shares · 7.79M shares reported after the change
Filing context

Quarter-end price $299.66

Q2 2025
Bought 7.5% more+514.63K shares · 7.37M shares reported after the change
Filing context

Quarter-end price $313.94

Q4 2023
Bought 5.1% more+320.27K shares · 6.56M shares reported after the change
Filing context

Quarter-end price $221.56

Q4 2022
Sold 4.1% of the position−271.63K shares · 6.31M shares remained
Filing context

Quarter-end price $111.90

Q2 2022
Sold 6.1% of the position−418.04K shares · 6.40M shares remained
Filing context

Quarter-end price $149.51

Portfolio importance

How important was Zscaler Inc in BlackRock, Inc.’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Last reported portfolio weight0.0%Q4 2025
Last reported rank#458Rank unavailable
Peak portfolio weight0.1%Q4 2021
Best historical rank#333Q4 2021
MarketInsiderLab research

Connected research on Zscaler Inc

Only published MIL research mapped to the exact stock identity is shown here.

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SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$214.642026-09-24

Market context only; not an investor transaction price.

Latest filing quarter-end price$224.92Q4 2025

Derived from validated reported value and shares where supported.

Latest verified investor filingQ2 2026 · filed 2026-08-07
Open SEC filing ↗

Coverage is bounded to BlackRock’s top reported positions and material events rather than every security in each Form 13F. Source filings may contain additional securities, and 13F filings do not reveal exact trade dates or execution prices.