Vault-13

SPHERE 3D CORP NEW

COM NEW · CUSIP 84841L407

23 institutional holders +4 vs Q3 2025
3,757,6223.8m shares reported held*
$1.1mreported value*
7 new 8 added 4 reduced 4 sold out net bought ≈ $791.8k (+2.7m 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. Implied quarter-end price ≈ $0.30. Options: 4 managers hold calls ($34.8k notional), 1 hold puts ($89).

Trends to Q4 2025

Institutional holders

Managers reporting a position, each quarter

0102030Q2 23: 18Q3 23: 16Q4 23: 26Q1 24: 24Q2 24: 25Q3 24: 25Q4 24: 26Q1 25: 20Q2 25: 26Q3 25: 19Q4 25: 2323Q2 23Q4 23Q2 24Q4 24Q2 25Q4 25
Numbers
QuarterHolders
Q2 202318
Q3 202316
Q4 202326
Q1 202424
Q2 202425
Q3 202425
Q4 202426
Q1 202520
Q2 202526
Q3 202519
Q4 202523

Buyers vs sellers

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

Bought or addedCut or sold out
20020Q1 24: 14 bought or addedQ1 24: 12 cut or sold outQ2 24: 9 bought or addedQ2 24: 9 cut or sold outQ2 24Q3 24: 9 bought or addedQ3 24: 8 cut or sold outQ4 24: 13 bought or addedQ4 24: 11 cut or sold outQ4 24Q1 25: 6 bought or addedQ1 25: 16 cut or sold outQ2 25: 18 bought or addedQ2 25: 8 cut or sold outQ2 25Q3 25: 9 bought or addedQ3 25: 15 cut or sold outQ4 25: 15 bought or addedQ4 25: 8 cut or sold outQ4 25
Numbers
QuarterBought or addedCut or sold out
Q1 20241412
Q2 202499
Q3 202498
Q4 20241311
Q1 2025616
Q2 2025188
Q3 2025915
Q4 2025158

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$10k$20k$30k$40kQ1 25 calls: $5.7kQ1 25 puts: $797Q1 25P/C 0.14Q2 25 calls: $23.8kQ2 25 puts: $0Q2 25P/C 0.00Q3 25 calls: $9.5kQ3 25 puts: $294Q3 25P/C 0.03Q4 25 calls: $34.8kQ4 25 puts: $89Q4 25P/C 0.00
Numbers
QuarterCallsPutsP/C
Q1 2025$5.7k$7970.14
Q2 2025$23.8k$00.00
Q3 2025$9.5k$2940.03
Q4 2025$34.8k$890.00

Biggest buyers

ARMISTICE CAPITAL, LLC New +1,562,067+1.6m
Squarepoint Ops LLC New +381,214+381.2k
CITADEL ADVISORS LLC Added +344,907+344.9k
JANE STREET GROUP, LLC New +123,091+123.1k
XTX Topco Ltd Added +114,460+114.5k
BNP PARIBAS FINANCIAL MARKETS Added +71,993+72.0k
Virtu Financial LLC Added +56,905+56.9k
CITIGROUP INC New +34,302+34.3k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +28,905+28.9k
HRT FINANCIAL LP New +25,116+25.1k

Biggest sellers

VANGUARD GROUP INC Reduced -35,700-35.7k
INTEGRITY WEALTH ADVISORS, INC. Sold out -28,209-28.2k
SIMPLEX TRADING, LLC Reduced -25,836-25.8k
GROUP ONE TRADING LLC Reduced -15,143-15.1k
UBS Group AG Reduced -8,364-8.4k
BESSEMER GROUP INC Sold out -1,428-1.4k
NATIONAL BANK OF CANADA /FI/ Sold out -142-142
BANK OF AMERICA CORP /DE/ Sold out -33-33

Biggest calls

INTEGRITY WEALTH ADVISORS, INC. New $20.2k68.0k shares
GROUP ONE TRADING LLC Added $7.1k23.7k shares
CITADEL ADVISORS LLC Added $4.7k15.7k shares
SIMPLEX TRADING, LLC New $2.8k9.4k shares

Biggest puts

GROUP ONE TRADING LLC Reduced $89300 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

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.

No one currently above 5% in the filings since 19 Dec 2024.

Fell to 5% or below in the last year: BIGGER CAPITAL FUND L P (1.9%, 2026-04-22), ARMISTICE CAPITAL, LLC (5.0%, 2025-11-14)

Holders, Q4 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ARMISTICE CAPITAL, LLC 0.01% of their portfolio NEW YORK, NY 1,562,0671.6m $464.9k $464.9k 0.01% New
2 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 629,278629.3k $187.3k $187.3k 0.00% Added +344.9k +344,907
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 440,410440.4k $131.2k $131.2k 0.00% Reduced -35.7k -35,700
4 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 381,214381.2k $113.4k $113.4k 0.00% New
5 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 137,491137.5k $40.9k $40.9k 0.00% Added +28.9k +28,905
6 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 131,326131.3k $39.1k $39.1k 0.00% Added +114.5k +114,460
7 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 123,091123.1k $36.6k $36.6k 0.00% New
8 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 122,120122.1k $36.3k $36.3k 0.00% Added +72.0k +71,993
9 Virtu Financial LLC 0.00% of their portfolio New York, NY 67,41567.4k $20.0k $20.0k 0.00% Added +56.9k +56,905
10 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 50,68050.7k $15.1k $15.1k 0.00% Added +11.6k +11,607
11 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 34,30234.3k $10.2k $10.2k 0.00% New
12 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 25,11625.1k $7.0k $7.0k 0.00% New
13 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 21,41821.4k $6.4k $6.4k 0.00% Reduced -15.1k -15,143
14 StoneX Group Inc. 0.00% of their portfolio NEW YORK, NY 17,56917.6k $5.2k $5.2k 0.00% New
15 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 8,2808.3k $2.5k $2.5k 0.00% Added +3.1k +3,125
16 UBS Group AG 0.00% of their portfolio ZURICH, V8 2,7672.8k $824 $824 0.00% Reduced -8.4k -8,364
17 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 2,0642.1k $614 $614 0.00% Unchanged
18 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 384384 $114 $114 0.00% Reduced -25.8k -25,836
19 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 274274 $0 $0 0.00% Added +142 +142
20 Atlantic Union Bankshares Corp 0.00% of their portfolio GLEN ALLEN, VA 122122 $37 $37 0.00% Unchanged
21 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 103103 $31 $31 0.00% Unchanged
22 MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV 0.00% of their portfolio CARLSBAD, CA 9696 $29 $29 0.00% First filing
23 TUCKER ASSET MANAGEMENT LLC 0.00% of their portfolio LITTLETON, CO 3535 $10 $10 0.00% New