undamentalytics Newsletter

Zscaler, Inc.: which funds bought and sold

Institutions that bought and sold Zscaler shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 407 institutions that filed 13F reports for both quarters added to or opened positions in Zscaler, and 374 cut or closed them. Together they sold a net 6.3M shares, −7.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 5.3M shares (−25.7%); index fund managers were net buyers of 1.6M shares (+6.0%). 125 opened a new position and 133 sold out entirely.

Bought, Q2 2026 407 institutions, 125 of them new holders Sold, Q2 2026 374 institutions, 133 of them sold out
Net change, all compared −6.3M shares (−7.1%)
Net change, active managers −5.3M shares (−25.7%), 40 bought, 30 sold

Buyers versus sellers

institutions compared, 860
Active managers and hedge funds 40 bought · 30 sold · −5.3M
Index fund managers 8 bought · 4 sold · +1.6M
Other institutions 359 bought · 340 sold · −2.5M

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Jericho Capital Asset Management L.P. Hedge fund +1.4M New position 1.4M $192M
Blackrock, Inc. Index funds +1.3M +15.4% 9.9M $1.4B
Millennium Management LLC Hedge fund +795K +237.3% 1.1M $159M
Connor, Clark & Lunn Investment Management Ltd. +583K +410.5% 725K $102M
Citadel Advisors LLC Hedge fund +498K +97.4% 1.0M $142M
HRT Financial LP +480K New position 480K $67.7M
Voloridge Investment Management, LLC Hedge fund +455K +106.3% 882K $125M
SG Americas Securities, LLC +387K +462.2% 471K $66.4M
Pacer Advisors, Inc. +376K +410.6% 468K $66M
Jacobs Levy Equity Management, Inc Active manager +364K +122.6% 660K $93.2M
BNP Paribas Financial Markets +354K +81.7% 788K $111M
AQR Capital Management LLC Hedge fund +347K +34.2% 1.4M $192M
Susquehanna International Group, LLP +312K +129.7% 552K $77.9M
Barclays PLC +282K +42.2% 952K $134M
Acadian Asset Management LLC Active manager +280K +232.7% 400K $56.5M
Vanguard Portfolio Management LLC Index funds +266K +4.5% 6.2M $875M
Lbp Am SA +251K +258.2% 348K $49.1M
Goldman Sachs Group Inc +237K +8.1% 3.2M $446M
Bank Of Nova Scotia +234K +1172.9% 254K $35.8M
Citigroup Inc +228K +42.8% 760K $107M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Invesco Ltd. −4.2M −96.8% 139K $19.7M
FMR LLC Active manager −1.8M −84.0% 351K $49.5M
T. Rowe Price Investment Management, Inc. Active manager −1.7M Sold out 0 —
Tiger Global Management LLC Hedge fund −1.6M Sold out 0 —
American Century Companies Inc Active manager −1.5M −63.7% 866K $122M
Two Sigma Investments, LP Hedge fund −1.2M −99.8% 2,940 $414,981
Price T Rowe Associates Inc Active manager −1.1M −63.2% 644K $90.9M
UBS Group AG −568K −40.2% 844K $119M
Westfield Capital Management Co LP Active manager −428K Sold out 0 —
Artisan Partners Limited Partnership Active manager −385K Sold out 0 —
Bank Of America Corp −335K −43.0% 444K $62.7M
Arrowstreet Capital, Limited Partnership Hedge fund −291K Sold out 0 —
Jane Street Group, LLC −287K −99.3% 2,126 $300,085
Nomura Asset Management International Inc. −285K −93.1% 21K $3M
Champlain Investment Partners, LLC Active manager −283K −64.5% 156K $22M
UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC −234K −11.9% 1.7M $244M
Worldquant Millennium Advisors LLC Hedge fund −227K Sold out 0 —
Renaissance Technologies LLC Hedge fund −227K −98.3% 3,900 $550,485
Canada Pension Plan Investment Board −213K −53.8% 183K $25.9M
SEB Asset Management AB −199K −46.5% 229K $32.3M

New positions

largest by value

Sold out

largest by value
InstitutionSharesValue March 31, 2026
T. Rowe Price Investment Management, Inc.Active manager 1.7M $237M
Tiger Global Management LLCHedge fund 1.6M $222M
Westfield Capital Management Co LPActive manager 428K $60M
Artisan Partners Limited PartnershipActive manager 385K $54M
Arrowstreet Capital, Limited PartnershipHedge fund 291K $40.8M
Worldquant Millennium Advisors LLCHedge fund 227K $31.8M
Federated Hermes, Inc.Active manager 130K $18.3M
Trexquant Investment LPHedge fund 108K $15.2M
Neos Investment Management LLC 84K $11.8M
Rafferty Asset Management, LLCIndex funds 75K $10.5M

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
740
Ten largest holders
45.3%
of 13F-reported shares
Index fund managers
33.2%
of 13F-reported shares
Active managers and hedge funds
18.8%
of 13F-reported shares
Buying and selling by type of institution, March 31, 2026 to June 30, 2026
TypeBoughtSoldNewSold outNet change in sharesNet %
Active managers and hedge funds 40 30 10 10 −5.3M −25.7%
Index fund managers 8 4 0 1 +1.6M +6.0%
Other institutions 359 340 115 122 −2.5M −6.0%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

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