undamentalytics Newsletter

Rythm, Inc.: which funds bought and sold

Institutions that bought and sold Rythm 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, 7 institutions that filed 13F reports for both quarters added to or opened positions in Rythm, and 4 cut or closed them. Together they added a net 45K shares, +38.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 8,416 shares; index fund managers were net buyers of 22K shares (+45.2%). 3 opened a new position and 1 sold out entirely.

Bought, Q2 2026 7 institutions, 3 of them new holders Sold, Q2 2026 4 institutions, 1 of them sold out
Net change, all compared +45K shares (+38.0%)
Net change, active managers +8,416 shares (—), 1 bought, 0 sold

Buyers versus sellers

institutions compared, 17
Active managers and hedge funds 1 bought · 0 sold · +8,416
Index fund managers 3 bought · 0 sold · +22K
Other institutions 3 bought · 4 sold · +15K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Vanguard Capital Management LLC Index funds +18K +65.1% 45K $1.2M
Concurrent Investment Advisors, LLC +11K +95.2% 22K $563,108
Corient Private Wealth LP +9,500 New position 9,500 $242,060
Citadel Advisors LLC Hedge fund +8,416 New position 8,416 $214,440
Blackrock, Inc. Index funds +4,127 +5731.9% 4,199 $106,991
Vanguard Fiduciary Trust Co Index funds +51 +0.7% 7,593 $193,470
Caitong International Asset Management Co., Ltd +5 New position 5 $127

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
UBS Group AG −3,445 −79.8% 873 $22,244
Tidal Investments LLC −1,953 −13.6% 12K $314,831
Tower Research Capital LLC (TRC) −113 −55.1% 92 $2,344
Blue Trust, Inc. −2 Sold out 0 —

New positions

largest by value
InstitutionSharesValue June 30, 2026
Corient Private Wealth LP 9,500 $242,060
Citadel Advisors LLCHedge fund 8,416 $214,440
Caitong International Asset Management Co., Ltd 5 $127

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Blue Trust, Inc. 2 $37

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
16
Ten largest holders
99.1%
of 13F-reported shares
Index fund managers
43.1%
of 13F-reported shares
Active managers and hedge funds
5.1%
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 1 0 1 0 +8,416 —
Index fund managers 3 0 0 0 +22K +45.2%
Other institutions 3 4 2 1 +15K +21.0%

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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