Vault-13

SINTX TECHNOLOGIES INC SINT

COM NEW · Common Stock · CUSIP 829392703

20 institutional holders -1 vs Q1 2026
968,038968.0k shares reported held*
14.5% of all shares outstanding*
$1.8mreported value*
4 new 3 added 3 reduced 5 sold out net bought ≈ $1.3m (+745.0k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 6.7m as of 2026-08-05, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.81.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0102030Q2 24: 13Q3 24: 11Q4 24: 12Q1 25: 15Q2 25: 16Q3 25: 24Q4 25: 20Q1 26: 21Q2 26: 2020Q2 24Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q2 202413
Q3 202411
Q4 202412
Q1 202515
Q2 202516
Q3 202524
Q4 202520
Q1 202621
Q2 202620

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
20020Q3 24: 1 bought or addedQ3 24: 5 cut or sold outQ4 24: 4 bought or addedQ4 24: 3 cut or sold outQ4 24Q1 25: 7 bought or addedQ1 25: 5 cut or sold outQ2 25: 6 bought or addedQ2 25: 3 cut or sold outQ2 25Q3 25: 16 bought or addedQ3 25: 4 cut or sold outQ4 25: 7 bought or addedQ4 25: 15 cut or sold outQ4 25Q1 26: 5 bought or addedQ1 26: 4 cut or sold outQ2 26: 7 bought or addedQ2 26: 8 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202415
Q4 202443
Q1 202575
Q2 202563
Q3 2025164
Q4 2025715
Q1 202654
Q2 202678

Biggest buyers

Bleichroeder LP New +523,013+523.0k
Stonepine Capital Management, LLC New +209,205+209.2k
CITADEL ADVISORS LLC New +31,930+31.9k
HRT FINANCIAL LP New +12,831+12.8k
UBS Group AG Added +6,968+7.0k
Tower Research Capital LLC (TRC) Added +1,683+1.7k
SIGNATUREFD, LLC Added +572+572

Biggest sellers

XTX Topco Ltd Sold out -17,048-17.0k
DRW Securities, LLC Sold out -12,060-12.1k
Broadway Wealth Solutions, Inc. Sold out -10,000-10.0k
GEODE CAPITAL MANAGEMENT, LLC Reduced -2,043-2.0k
Farther Finance Advisors, LLC Sold out -17-17
MORGAN STANLEY Reduced -17-17
OSAIC HOLDINGS, INC. Reduced -1-1
CITIGROUP INC Sold out -1-1

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Bleichroeder LP 13G · institution new · filed 2026-08-13 10.0% new 647.5k≈ $1.2m 2026-08-13
LYTTON LAURENCE W 13G · passive investor new · filed 2026-06-09 10.0% new 632.6k≈ $1.2m 2026-06-09
Stonepine Capital Management, LLC 13G · passive investor new · filed 2026-06-09 9.9% new 619.6k≈ $1.2m 2026-06-09
MEDTECH CERAMICS, LP 13G · passive investor new · filed 2025-03-25 9.9% new 250.1k≈ $467.7k 2025-03-25
Murphy Kevin P 13G · passive investor new · filed 2025-09-03 8.2% new 225.9k≈ $422.5k 2025-09-03
Sinaptic Holdings, LLC 13G · passive investor -0.7 pts · filed 2025-11-14 7.2% -0.7 pts 281.4k≈ $526.3k 2025-11-14
Honigblum Gregg R. 13G · passive investor new · filed 2025-12-09 5.0% new 201.1k≈ $376.0k 2025-12-09

Fell to 5% or below in the last year: Virtus Wealth Solutions LLC (5.3%, 2025-11-14)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 3 buyingQ2 25: 0 sellingQ3 25: 3 buyingQ3 25: 0 sellingQ3 25Q4 25: 2 buyingQ4 25: 0 sellingQ1 26: 3 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20253$97.7k0——
Q3 20253$233.2k0——
Q4 20252$341.9k0——
Q1 20263$36.1k0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Bleichroeder LP 0.17% of their portfolio NEW YORK, NY 523,013523.0k $978.0k $978.0k 0.17% New
2 Stonepine Capital Management, LLC 0.25% of their portfolio Bend, OR 209,205209.2k $332.5k $332.5k 0.25% New
3 Veracity Capital LLC 0.04% of their portfolio Atlanta, GA 76,67476.7k $143.4k $143.4k 0.04% Unchanged
4 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 31,93031.9k $59.7k $59.7k 0.00% New
5 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 30,10130.1k $56.3k $56.3k 0.00% Reduced -2.0k -2,043
6 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 23,53123.5k $44.0k $44.0k 0.00% Unchanged
7 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 20,90520.9k $39.1k $39.1k 0.00% Unchanged
8 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 13,30213.3k $24.9k $24.9k 0.00% Unchanged
9 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 12,83112.8k $23.0k $23.0k 0.00% New
10 UBS Group AG 0.00% of their portfolio ZURICH, V8 11,92111.9k $22.3k $22.3k 0.00% Added +7.0k +6,968
11 Virtus Wealth Solutions LLC 0.00% of their portfolio CRANFORD, NJ 10,00010.0k $18.7k $18.7k 0.00% Unchanged
12 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,8502.9k $5.3k $5.3k 0.00% Added +1.7k +1,683
13 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 1,7171.7k $3.2k $3.2k 0.00% Added +572 +572
14 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 3939 $0 $0 0.00% Unchanged
15 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 1414 $26 $26 0.00% Unchanged
16 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 11 $2 $2 0.00% Reduced -17 -17
17 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 11 $2 $2 0.00% Unchanged
18 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 11 $2 $2 0.00% Unchanged
19 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 11 $2 $2 0.00% Reduced -1 -1
20 Cornerstone Planning Group LLC 0.00% of their portfolio FAIRFIELD, NJ 11 $2 $2 0.00% Unchanged