undamentalytics Newsletter

Weatherford International plc: which funds bought and sold

Institutions that bought and sold Weatherford International 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, 214 institutions that filed 13F reports for both quarters added to or opened positions in Weatherford International, and 205 cut or closed them. Together they added a net 2.8M shares, +3.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 76K shares (−0.3%); index fund managers were net buyers of 42K shares (+0.2%). 53 opened a new position and 62 sold out entirely.

Bought, Q2 2026 214 institutions, 53 of them new holders Sold, Q2 2026 205 institutions, 62 of them sold out
Net change, all compared +2.8M shares (+3.9%)
Net change, active managers −76K shares (−0.3%), 31 bought, 39 sold

Buyers versus sellers

institutions compared, 482
Active managers and hedge funds 31 bought · 39 sold · −76K
Index fund managers 4 bought · 7 sold · +42K
Other institutions 179 bought · 159 sold · +2.8M

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Citadel Advisors LLC Hedge fund +963K +200.7% 1.4M $118M
American Century Companies Inc Active manager +959K +48.6% 2.9M $239M
First Trust Advisors LP +727K +41.3% 2.5M $203M
Merewether Investment Management, LP +699K New position 699K $57M
William Blair Investment Management, LLC Active manager +681K +117.4% 1.3M $103M
Millennium Management LLC Hedge fund +630K +62.2% 1.6M $134M
Timessquare Capital Management, LLC +609K New position 609K $49.6M
Price T Rowe Associates Inc Active manager +489K +12.3% 4.5M $365M
Bank Of New York Mellon Corp +485K +61.1% 1.3M $104M
Alyeska Investment Group, L.P. Hedge fund +468K +102.2% 927K $75.5M
Deprince Race & Zollo Inc Active manager +436K New position 436K $35.6M
Artisan Partners Limited Partnership Active manager +379K New position 379K $30.9M
Zurich Insurance Group Ltd +350K New position 350K $28.5M
Invesco Ltd. +348K +23.5% 1.8M $149M
Readystate Asset Management LP +187K New position 187K $15.3M
Van Eck Associates Corp +183K +13.5% 1.5M $125M
Boston Partners Active manager +181K +39.9% 637K $51.9M
Westwood Holdings Group Inc Active manager +181K New position 181K $14.8M
Jain Global LLC Hedge fund +162K +3016.3% 167K $13.6M
Vanguard Portfolio Management LLC Index funds +155K +3.9% 4.2M $339M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Sachem Head Capital Management LP Hedge fund −2.5M Sold out 0 —
Goldman Sachs Group Inc −773K −33.3% 1.6M $126M
Capital Research Global Investors Active manager −679K −30.0% 1.6M $129M
Acadian Asset Management LLC Active manager −385K −47.4% 426K $34.7M
Qube Research & Technologies Ltd Hedge fund −378K −90.3% 40K $3.3M
T. Rowe Price Investment Management, Inc. Active manager −377K −30.0% 879K $71.7M
Federated Hermes, Inc. Active manager −367K −33.5% 729K $59.4M
Holocene Advisors, LP Hedge fund −350K Sold out 0 —
Prudential Financial Inc −245K −95.8% 11K $882,645
Webs Creek Capital Management LP −199K −35.2% 367K $29.9M
UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC −162K −99.4% 1,027 $83,701
Atlantic Investment Management, Inc. −153K −72.2% 59K $4.8M
Dme Capital Management, LP Hedge fund −146K Sold out 0 —
Trexquant Investment LP Hedge fund −140K Sold out 0 —
Deutsche Bank Ag\ −138K −95.1% 7,105 $579,059
Cooke & Bieler LP Active manager −129K Sold out 0 —
UBS Group AG −115K −37.9% 188K $15.3M
Capital World Investors Active manager −113K −7.5% 1.4M $113M
Frontier Capital Management Co LLC Active manager −108K −14.9% 617K $50.3M
Russell Investments Group, Ltd. −108K −38.1% 175K $14.3M

New positions

largest by value
InstitutionSharesValue June 30, 2026
Merewether Investment Management, LP 699K $57M
Timessquare Capital Management, LLC 609K $49.6M
Deprince Race & Zollo IncActive manager 436K $35.6M
Artisan Partners Limited PartnershipActive manager 379K $30.9M
Zurich Insurance Group Ltd 350K $28.5M
Readystate Asset Management LP 187K $15.3M
Westwood Holdings Group IncActive manager 181K $14.8M
Sir Capital Management, L.P. 133K $10.8M
M&G PLC 89K $7.3M
Cohen & Steers, Inc. 66K $5.4M

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Sachem Head Capital Management LPHedge fund 2.5M $239M
Holocene Advisors, LPHedge fund 350K $33.1M
Dme Capital Management, LPHedge fund 146K $13.8M
Trexquant Investment LPHedge fund 140K $13.2M
Cooke & Bieler LPActive manager 129K $12.2M
Alberta Investment Management Corp 89K $8.4M
Walleye Trading LLC 78K $7.4M
Renaissance Technologies LLCHedge fund 66K $6.2M
Voloridge Investment Management, LLCHedge fund 55K $5.2M
LMR Partners LLPHedge fund 36K $3.4M

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
426
Ten largest holders
46.2%
of 13F-reported shares
Index fund managers
28.1%
of 13F-reported shares
Active managers and hedge funds
37.6%
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 31 39 7 15 −76K −0.3%
Index fund managers 4 7 0 0 +42K +0.2%
Other institutions 179 159 46 47 +2.8M +12.7%

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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