undamentalytics Newsletter

Billiontoone, Inc.: which funds bought and sold

Institutions that bought and sold Billiontoone 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, 126 institutions that filed 13F reports for both quarters added to or opened positions in Billiontoone, and 24 cut or closed them. Together they added a net 3.9M shares, +34.4% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 997K shares (+20.2%); index fund managers were net buyers of 1.4M shares (+228.2%). 76 opened a new position and 11 sold out entirely.

Bought, Q2 2026 126 institutions, 76 of them new holders Sold, Q2 2026 24 institutions, 11 of them sold out
Net change, all compared +3.9M shares (+34.4%)
Net change, active managers +997K shares (+20.2%), 29 bought, 12 sold

Buyers versus sellers

institutions compared, 166
Active managers and hedge funds 29 bought · 12 sold · +997K
Index fund managers 5 bought · 2 sold · +1.4M
Other institutions 92 bought · 10 sold · +1.5M

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Vanguard Portfolio Management LLC Index funds +690K +456.1% 841K $101M
Vanguard Capital Management LLC Index funds +617K +338.2% 799K $95.9M
Invesco Ltd. +429K +105.6% 836K $100M
Millennium Management LLC Hedge fund +425K New position 425K $51M
Fuller & Thaler Asset Management, Inc. +419K New position 419K $50.2M
Oberweis Asset Management Inc/ Active manager +299K New position 299K $35.9M
Next Century Growth Investors LLC +274K +302.4% 364K $43.7M
Price T Rowe Associates Inc Active manager +273K +37.0% 1.0M $121M
Wells Fargo & Company +270K +24408.5% 272K $32.6M
UBS Group AG +223K +183.1% 344K $41.3M
Wasatch Advisors LP Active manager +148K +40.2% 518K $62.2M
Emerald Advisers, LLC +136K +56.9% 376K $45.1M
BNP Paribas Financial Markets +123K +1531487.5% 123K $14.7M
Voloridge Investment Management, LLC Hedge fund +117K New position 117K $14M
Goldman Sachs Group Inc +116K +2793.8% 120K $14.4M
Fred Alger Management, LLC Active manager +114K New position 114K $13.7M
Ameriprise Financial Inc +101K +45.7% 321K $38.5M
T. Rowe Price Investment Management, Inc. Active manager +93K New position 93K $11.2M
Healthcare Of Ontario Pension Plan Trust Fund +83K New position 83K $10M
HRT Financial LP +81K New position 81K $9.7M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Civilization Ventures Management, LLC −1.1M −100.0% 88 $8,681
Nvp Associates, LLC −513K Sold out 0 —
Baillie Gifford & Co Active manager −359K −28.5% 901K $108M
Capital International Investors Active manager −178K Sold out 0 —
Pfm Health Sciences, LP Hedge fund −88K Sold out 0 —
Massachusetts Financial Services Co Active manager −81K −50.5% 79K $9.5M
Two Sigma Investments, LP Hedge fund −53K −63.5% 30K $3.6M
Deep Track Capital, LP Hedge fund −50K Sold out 0 —
Public Employees Retirement System Of Ohio −19K Sold out 0 —
UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC −17K −6.9% 224K $26.9M
Soros Fund Management LLC Hedge fund −15K Sold out 0 —
Squarepoint Ops LLC Hedge fund −14K −61.8% 8,773 $1.1M
Nomura Holdings Inc −8,600 Sold out 0 —
Brevan Howard Capital Management LP Hedge fund −7,716 Sold out 0 —
Alyeska Investment Group, L.P. Hedge fund −7,000 Sold out 0 —
Walleye Capital LLC Hedge fund −5,956 Sold out 0 —
Perceptive Advisors LLC Hedge fund −5,000 −5.4% 87K $10.4M
Myda Advisors LLC −4,000 Sold out 0 —
Sei Investments Co −3,810 −28.4% 9,589 $1.2M
Charles Schwab Investment Management Inc Index funds −1,442 −5.1% 27K $3.2M

New positions

largest by value
InstitutionSharesValue June 30, 2026
Millennium Management LLCHedge fund 425K $51M
Fuller & Thaler Asset Management, Inc. 419K $50.2M
Oberweis Asset Management Inc/Active manager 299K $35.9M
Voloridge Investment Management, LLCHedge fund 117K $14M
Fred Alger Management, LLCActive manager 114K $13.7M
T. Rowe Price Investment Management, Inc.Active manager 93K $11.2M
Healthcare Of Ontario Pension Plan Trust Fund 83K $10M
HRT Financial LP 81K $9.7M
Greenwich Wealth Management LLC 72K $8.6M
Verition Fund Management LLCHedge fund 57K $6.8M

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Nvp Associates, LLC 513K $40.5M
Capital International InvestorsActive manager 178K $14.1M
Pfm Health Sciences, LPHedge fund 88K $7M
Deep Track Capital, LPHedge fund 50K $3.9M
Public Employees Retirement System Of Ohio 19K $1.5M
Soros Fund Management LLCHedge fund 15K $1.1M
Nomura Holdings Inc 8,600 $678,884
Brevan Howard Capital Management LPHedge fund 7,716 $609,101
Alyeska Investment Group, L.P.Hedge fund 7,000 $552,580
Walleye Capital LLCHedge fund 5,956 $470,167

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
156
Ten largest holders
56.0%
of 13F-reported shares
Index fund managers
12.7%
of 13F-reported shares
Active managers and hedge funds
38.8%
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 29 12 20 7 +997K +20.2%
Index fund managers 5 2 0 0 +1.4M +228.2%
Other institutions 92 10 56 4 +1.5M +26.6%

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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