Sphere 3D Corp.
Sphere 3D Corp. (ANY) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ANY · as of Mar 31, 2025
Ownership Breakdown
18
Institutional Holders
▼ 14 vs Q4
$1.18M
Total Inst. Value
▼ $1.81M vs Q4
4.24M
Shares Outstanding
freeFloat 97.31%
2.96M
13F Shares Held
▼ 206,131 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ANY largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ARMISTICE CAPITAL, LLC services-computer processing & data preparation | 2.20M | 75.65% | 75.65% | $878.67M | May 15, 2025 | ▲ 30.9K |
VANGUARD GROUP INC services-computer processing & data preparation | 450.0K | 15.44% | 15.44% | $179.56M | May 9, 2025 | — held |
UBS GROUP AG services-computer processing & data preparation | 131.0K | 4.50% | 4.50% | $52.28M | May 13, 2025 | ▲ 104.1K |
XTX TOPCO LTD services-computer processing & data preparation | 47.3K | 1.62% | 1.62% | $18.83M | May 8, 2025 | ▲ 47.3K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer processing & data preparation | 37.6K | 1.29% | 1.29% | $14.99M | May 14, 2025 | ▼ 86.8K |
GROUP ONE TRADING, L.P. services-computer processing & data preparation | 32.6K | 1.12% | 1.12% | $13.00M | May 14, 2025 | ▼ 52.3K |
SIMPLEX TRADING, LLC services-computer processing & data preparation | 15.5K | 53.35% | 53.35% | $6.00M | May 12, 2025 | ▼ 4.0K |
TWO SIGMA SECURITIES, LLC services-computer processing & data preparation | 10.8K | 37.16% | 37.16% | $4.32M | May 15, 2025 | ▼ 21.0K |
MARINER, LLC services-computer processing & data preparation | 10.0K | 34.32% | 34.32% | $3.99M | May 15, 2025 | ▼ 2.3K |
MORGAN STANLEY services-computer processing & data preparation | 10.0K | 34.27% | 34.27% | $3.98M | May 15, 2025 | ▼ 18.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
5
Increased
+187.1K shares1
New Positions
first time holders8
Decreased
−189.7K shares11
Sold Out
fully exitedNet shares change (top 50)
2.6K
+187.1K / −189.7K
Net new holders
-13
1 new / 11 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ANY insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
5
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Reppas Tiah Norton Chief Accounting Officer | Mar 12, 2026 | Sale | 6,250 | $1.61 | $10.1K | 12.4K | Form 4 ↗ |
Kalbfleisch Kurt L. CEO and CFO | Mar 13, 2026 | Sale | 9,800 | $1.59 | $15.6K | 64.5K | Form 4 ↗ |
Hanley Timothy P. director | Mar 4, 2026 | Award | 74,074 | — | — | 86.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Sphere 3D Corp. (ANY) is primarily owned by institutional investors, who hold approximately 69.8% of total shares outstanding. Company insiders own approximately 2.69%, while retail and public investors account for the remaining 27.54%.
The largest institutional shareholder of Sphere 3D Corp. is ARMISTICE CAPITAL, LLC, holding approximately 2.20 million shares — equal to 75.65% of outstanding shares — as of March 31, 2025.
A total of 18 institutional investors currently hold ANY stock, with a combined institutional value of approximately $1,179,996 as of the most recent 13F filing period.
Frequently asked questions
ANY ownershipSphere 3D Corp. (ANY) is primarily owned by institutional investors, who hold approximately 69.8% of shares. The largest shareholder is ARMISTICE CAPITAL, LLC with a 75.65% stake. Company insiders hold 2.69%. Data sourced from SEC Form 13F as of March 31, 2025.