undamentalytics Newsletter

Myseum.ai, Inc.: which funds bought and sold

Institutions that bought and sold Myseum.ai 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, 4 institutions that filed 13F reports for both quarters added to or opened positions in Myseum.ai, and 9 cut or closed them. Together they sold a net 19K shares, −8.8% on what they held at the start of the quarter. 2 opened a new position and 6 sold out entirely.

Bought, Q2 2026 4 institutions, 2 of them new holders Sold, Q2 2026 9 institutions, 6 of them sold out
Net change, all compared −19K shares (−8.8%)
Net change, active managers 0 shares (—), 0 bought, 0 sold

Buyers versus sellers

institutions compared, 18
Active managers and hedge funds 0 bought · 0 sold · 0
Index fund managers 0 bought · 1 sold · −86K
Other institutions 4 bought · 8 sold · +67K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Jane Street Group, LLC +103K New position 103K $258,895
UBS Group AG +3,695 +28423.1% 3,708 $9,344
Osaic Holdings, Inc. +2 +0.1% 3,807 $9,593
Northwestern Mutual Wealth Management Co +1 New position 1 $3

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Geode Capital Management, LLC Index funds −86K −70.6% 36K $90,107
Xtx Topco Ltd −17K Sold out 0 —
Commonwealth Equity Services, LLC −12K Sold out 0 —
Fny Investment Advisers, LLC −8,500 Sold out 0 —
Toth Financial Advisory Corp −800 Sold out 0 —
Jones Financial Companies LLLP −500 Sold out 0 —
Tower Research Capital LLC (TRC) −321 −21.1% 1,200 $3,024
Sbi Securities Co., Ltd. −42 −37.2% 71 $179
Russell Investments Group, Ltd. −12 Sold out 0 —

New positions

largest by value
InstitutionSharesValue June 30, 2026
Jane Street Group, LLC 103K $258,895
Northwestern Mutual Wealth Management Co 1 $3

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Xtx Topco Ltd 17K $26,974
Commonwealth Equity Services, LLC 12K $19,020
Fny Investment Advisers, LLC 8,500 $13,000
Toth Financial Advisory Corp 800 $1,256
Jones Financial Companies LLLP 500 $815
Russell Investments Group, Ltd. 12 $19

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
12
Ten largest holders
100.0%
of 13F-reported shares
Index fund managers
42.7%
of 13F-reported shares
Active managers and hedge funds
0.0%
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 0 0 0 0 0 —
Index fund managers 0 1 0 0 −86K −50.7%
Other institutions 4 8 2 6 +67K +148.1%

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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