ALT5 Sigma Corp - Common Stock, $0.001 par value per share (ALTS) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2019 to Q4 2025

Type / Class
Equity / Common Stock, $0.001 par value per share
Symbol
ALTS on Nasdaq
Shares outstanding
109,884,776
Price per share
$1.10
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
43,422,541
Total reported value
$116,812,246
% of total 13F portfolios
0%
Share change
+41,514,916
Value change
+$111,429,800
Number of holders
90
Price from insider filings
$1.10
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ALT5 Sigma Corp - Common Stock, $0.001 par value per share (ALTS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Soul Ventures Holdings Ltd 9.2% $94,632,220 11,333,200 Soul Ventures Holdings Ltd 11 Aug 2025
CRCM LP 8.2% $24,143,337 8,970,883 CRCM LP 20 Oct 2025
JANE STREET GROUP, LLC 5.8% -30% $17,144,223 -$9,920,811 6,373,317 -37% JANE STREET GROUP, LLC 30 Sep 2025
VANGUARD GROUP INC 5.6% $16,480,615 6,126,395 The Vanguard Group 30 Sep 2025
ExodusPoint Capital Management, LP 4.8% $48,903,445 5,856,700 ExodusPoint Capital Management, LP 11 Aug 2025
Clover Crest Bahamas Ltd 8.9% $10,364,987 1,547,013 Clover Crest Bahamas Limited 14 May 2025
CITADEL ADVISORS LLC 0.2% $2,359,768 282,607 Kenneth Griffin 12 Aug 2025

As of 30 Sep 2025, 90 institutional investors reported holding 43,422,541 shares of ALT5 Sigma Corp - Common Stock, $0.001 par value per share (ALTS). This represents 40% of the company’s total 109,884,776 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ALT5 Sigma Corp - Common Stock, $0.001 par value per share (ALTS) together control 37% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
JANE STREET GROUP, LLC 5.8% 6,354,917 +12011% 0.02% $17,094,726
VANGUARD GROUP INC 5.6% 6,126,395 +775% 0% $16,480,003
Diametric Capital, LP 3.2% 3,543,968 3.5% $9,533,273
ExodusPoint Capital Management, LP 2.7% 2,988,210 0.11% $8,038,285
SUSQUEHANNA INTERNATIONAL GROUP, LLP 2.4% 2,675,287 +2330% 0.01% $7,196,522
CRCM LP 2.1% 2,312,177 1.8% $6,219,756
PRELUDE CAPITAL MANAGEMENT, LLC 2.1% 2,310,760 0.49% $6,215,944
NWI MANAGEMENT LP 1.6% 1,800,000 0.48% $4,842,000
Alyeska Investment Group, L.P. 1.6% 1,746,020 0.01% $4,696,794
BlackRock, Inc. 1.4% 1,574,536 +4169% 0% $4,235,502
GEODE CAPITAL MANAGEMENT, LLC 1.2% 1,319,563 +577% 0% $3,551,316
Potrero Capital Research LLC 1% 1,104,805 0.9% $2,971,925
Jump Financial, LLC 0.91% 1,000,000 0.03% $2,690,000
BANK OF AMERICA CORP /DE/ 0.81% 887,821 +115201% 0% $2,388,238
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.66% 721,756 0% $1,941,524
STATE STREET CORP 0.64% 699,010 +849% 0% $1,880,337
UBS Group AG 0.62% 681,877 +1769% 0% $1,834,249
TWO SIGMA INVESTMENTS, LP 0.62% 679,238 0% $1,827,150
BARCLAYS PLC 0.6% 662,032 +97834% 0% $1,780,867
Paloma Partners Management Co 0.5% 554,540 0.3% $1,491,713
RENAISSANCE TECHNOLOGIES LLC 0.31% 344,300 +650% 0% $926,167
OMERS ADMINISTRATION Corp 0.3% 331,800 0.01% $892,542
NORTHERN TRUST CORP 0.22% 243,194 +771% 0% $654,192
CITADEL ADVISORS LLC 0.21% 233,746 +240% 0% $628,777
Centiva Capital, LP 0.21% 232,726 0.06% $626,033

Institutional Holders of ALT5 Sigma Corp - Common Stock, $0.001 par value per share (ALTS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 101,001 $111,102 +$109,163 $1.10 3
2025 Q3 43,422,541 $116,812,246 +$111,429,800 $2.69 90
2025 Q2 1,907,625 $13,821,946 +$4,372,900 $7.24 27
2025 Q1 1,351,590 $5,246,767 +$1,700,084 $3.88 24
2024 Q4 909,531 $4,229,319 +$1,280,983 $4.65 17
2024 Q3 650,073 $1,151,895 +$756,943 $1.77 16
2024 Q2 201,307 $449,766 +$78,021 $2.24 14
2024 Q1 165,162 $456,005 -$266,577 $2.63 11
2023 Q4 310,560 $172,648 +$3,132 $0.56 11
2023 Q3 294,460 $121,546 +$88,730 $0.41 10
2023 Q2 79,037 $82,988 -$65,728 $1.05 7
2023 Q1 137,312 $156,446 +$17,802 $1.14 10
2022 Q4 115,682 $158,197 +$13,900 $1.37 10
2022 Q3 105,351 $224,000 -$74,986 $2.12 4
2022 Q2 130,699 $335,000 +$109,942 $2.55 7
2022 Q1 84,251 $295,000 -$119,137 $3.50 5
2021 Q4 113,075 $461,000 +$171,001 $4.08 8
2021 Q3 70,958 $484,000 -$759,670 $6.82 4
2021 Q2 172,123 $1,342,000 +$606,670 $7.80 9
2021 Q1 91,653 $771,000 +$504,251 $8.41 6
2020 Q4 33,246 $162,000 +$154,540 $4.87 4
2020 Q3 1,583 $7,000 -$42,000 $4.29 3
2020 Q2 15,136 $49,000 +$39,368 $3.25 3
2020 Q1 2,966 $7,000 -$104,543 $2.36 1
2019 Q4 38,934 $114,000 -$44,435 $2.86 3
2019 Q3 371 $2,000 +$2,000 $5.39 2