undamentalytics Newsletter

Sintx Technologies, Inc.: which funds bought and sold

Institutions that bought and sold Sintx Technologies 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 Sintx Technologies, and 8 cut or closed them. Together they added a net 745K shares, +334.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 32K shares; index fund managers were net sellers of 2,043 shares (−2.3%). 4 opened a new position and 5 sold out entirely.

Bought, Q2 2026 7 institutions, 4 of them new holders Sold, Q2 2026 8 institutions, 5 of them sold out
Net change, all compared +745K shares (+334.1%)
Net change, active managers +32K shares (—), 1 bought, 0 sold

Buyers versus sellers

institutions compared, 24
Active managers and hedge funds 1 bought · 0 sold · +32K
Index fund managers 0 bought · 1 sold · −2,043
Other institutions 6 bought · 7 sold · +715K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Bleichroeder LP +523K New position 523K $978,034
Stonepine Capital Management, LLC +209K New position 209K $332,531
Citadel Advisors LLC Hedge fund +32K New position 32K $59,709
HRT Financial LP +13K New position 13K $23,000
UBS Group AG +6,968 +140.7% 12K $22,292
Tower Research Capital LLC (TRC) +1,683 +144.2% 2,850 $5,330
Signaturefd, LLC +572 +50.0% 1,717 $3,211

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Xtx Topco Ltd −17K Sold out 0 —
Drw Securities, LLC −12K Sold out 0 —
Broadway Wealth Solutions, Inc. −10K Sold out 0 —
Geode Capital Management, LLC Index funds −2,043 −6.4% 30K $56,288
Farther Finance Advisors, LLC −17 Sold out 0 —
Morgan Stanley −17 −94.4% 1 $2
Citigroup Inc −1 Sold out 0 —
Osaic Holdings, Inc. −1 −50.0% 1 $2

New positions

largest by value
InstitutionSharesValue June 30, 2026
Bleichroeder LP 523K $978,034
Stonepine Capital Management, LLC 209K $332,531
Citadel Advisors LLCHedge fund 32K $59,709
HRT Financial LP 13K $23,000

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Xtx Topco Ltd 17K $42,109
Drw Securities, LLC 12K $30,183
Broadway Wealth Solutions, Inc. 10K $25,028
Farther Finance Advisors, LLC 17 $43
Citigroup Inc 1 $2

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
19
Ten largest holders
98.5%
of 13F-reported shares
Index fund managers
9.1%
of 13F-reported shares
Active managers and hedge funds
3.3%
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 +32K —
Index fund managers 0 1 0 0 −2,043 −2.3%
Other institutions 6 7 3 5 +715K +537.3%

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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