undamentalytics Newsletter

Borr Drilling Ltd: which funds bought and sold

Institutions that bought and sold Borr Drilling 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, 91 institutions that filed 13F reports for both quarters added to or opened positions in Borr Drilling, and 99 cut or closed them. Together they added a net 2.3M shares, +2.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 4.6M shares (+14.5%); index fund managers were net sellers of 2.3M shares (−7.8%). 35 opened a new position and 31 sold out entirely.

Bought, Q2 2026 91 institutions, 35 of them new holders Sold, Q2 2026 99 institutions, 31 of them sold out
Net change, all compared +2.3M shares (+2.1%)
Net change, active managers +4.6M shares (+14.5%), 14 bought, 24 sold

Buyers versus sellers

institutions compared, 218
Active managers and hedge funds 14 bought · 24 sold · +4.6M
Index fund managers 2 bought · 7 sold · −2.3M
Other institutions 75 bought · 68 sold · +56K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Sona Asset Management (US) LLC Active manager +6.0M New position 6.0M $25M
SG Americas Securities, LLC +2.6M +6468.1% 2.7M $11M
UBS Group AG +2.0M +106.1% 3.9M $16.1M
Barclays PLC +1.4M +65.3% 3.5M $14.4M
D. E. Shaw & Co., Inc. Hedge fund +1.0M +16.1% 7.2M $29.9M
Fideuram Asset Management (Ireland) Dac +965K New position 965K $4.9M
Qube Research & Technologies Ltd Hedge fund +950K New position 950K $3.9M
Marnell Management LLC +923K New position 923K $3.8M
Geosphere Capital Management, LLC +921K +242.4% 1.3M $5.4M
Zweig-Dimenna Associates LLC +877K New position 877K $3.6M
FMR LLC Active manager +799K +1590.7% 849K $3.5M
Squarepoint Ops LLC Hedge fund +789K +129.8% 1.4M $5.8M
Dimensional Fund Advisors LP +590K +16.9% 4.1M $16.9M
Marshall Wace, LLP Hedge fund +511K +27.0% 2.4M $9.9M
Jacobs Levy Equity Management, Inc Active manager +450K New position 450K $1.9M
Btg Pactual Asset Management Us LLC +372K New position 372K $1.5M
Vanguard Portfolio Management LLC Index funds +309K +16.1% 2.2M $9.2M
Russell Investments Group, Ltd. +251K +124.7% 451K $1.9M
LPL Financial LLC +249K +799.6% 280K $1.2M
Tejara Capital Ltd +244K +29.9% 1.1M $4.4M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Nuveen, LLC −3.2M −80.5% 776K $3.2M
HRT Financial LP −2.8M Sold out 0 —
Morgan Stanley −2.5M −68.3% 1.2M $4.8M
Point72 Asset Management, L.P. Hedge fund −2.1M −79.5% 552K $2.3M
Blackrock, Inc. Index funds −1.9M −11.7% 14.7M $60.7M
Trexquant Investment LP Hedge fund −1.1M Sold out 0 —
DNB Asset Management As −1.1M −33.2% 2.1M $8.8M
Goldman Sachs Group Inc −799K −12.8% 5.5M $22.6M
Jump Financial, LLC −637K Sold out 0 —
Jane Street Group, LLC −625K Sold out 0 —
Tudor Investment Corp Et Al Hedge fund −488K −21.5% 1.8M $7.3M
Citadel Advisors LLC Hedge fund −466K −42.8% 623K $2.6M
Voloridge Investment Management, LLC Hedge fund −414K −27.6% 1.1M $4.5M
Lazard Asset Management LLC Active manager −374K Sold out 0 —
Xtx Topco Ltd −361K −75.0% 121K $497,760
Geode Capital Management, LLC Index funds −345K −9.8% 3.2M $13.1M
Algert Global LLC Hedge fund −331K Sold out 0 —
Numerai Gp LLC −327K Sold out 0 —
October Effect Ltd −312K Sold out 0 —
Two Sigma Investments, LP Hedge fund −299K −75.4% 97K $402,427

New positions

largest by value
InstitutionSharesValue June 30, 2026
Sona Asset Management (US) LLCActive manager 6.0M $25M
Fideuram Asset Management (Ireland) Dac 965K $4.9M
Qube Research & Technologies LtdHedge fund 950K $3.9M
Marnell Management LLC 923K $3.8M
Zweig-Dimenna Associates LLC 877K $3.6M
Jacobs Levy Equity Management, IncActive manager 450K $1.9M
Btg Pactual Asset Management Us LLC 372K $1.5M
Vontobel Holding Ltd. 234K $966,420
Macquarie Group Ltd 227K $936,003
Fox Run Management, L.L.C. 92K $379,208

Sold out

largest by value
InstitutionSharesValue March 31, 2026
HRT Financial LP 2.8M $16.1M
Trexquant Investment LPHedge fund 1.1M $6.6M
Jump Financial, LLC 637K $3.7M
Jane Street Group, LLC 625K $3.6M
Lazard Asset Management LLCActive manager 374K $2.2M
Algert Global LLCHedge fund 331K $1.9M
Numerai Gp LLC 327K $1.9M
October Effect Ltd 312K $1.8M
Y-Intercept (Hong Kong) Ltd 174K $1M
Quadrature Capital LtdHedge fund 158K $913,379

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
188
Ten largest holders
49.3%
of 13F-reported shares
Index fund managers
24.2%
of 13F-reported shares
Active managers and hedge funds
32.0%
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 14 24 4 7 +4.6M +14.5%
Index fund managers 2 7 0 0 −2.3M −7.8%
Other institutions 75 68 31 24 +56K +0.1%

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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