SCYNEXIS, Inc.
SCYNEXIS, Inc. (SCYX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SCYX · as of Sep 30, 2025
Ownership Breakdown
39
Institutional Holders
▲ 1 vs Q2
$9.06M
Total Inst. Value
▲ $1.57M vs Q2
6.29M
Shares Outstanding
freeFloat 96.52%
11.77M
13F Shares Held
▲ 665,853 vs Q2
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
SCYX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
AVIDITY PARTNERS MANAGEMENT LP pharmaceutical preparations | 3.35M | 6.73% | 6.73% | $2.58B | Nov 14, 2025 | ▲ 2.12M |
KINGDON CAPITAL MANAGEMENT, L.L.C. pharmaceutical preparations | 2.24M | 4.50% | 4.50% | $1.72B | Nov 14, 2025 | — held |
VANGUARD GROUP INC pharmaceutical preparations | 1.76M | 3.54% | 3.54% | $1.36B | Nov 7, 2025 | ▲ 105.6K |
FEDERATED HERMES, INC. pharmaceutical preparations | 1.58M | 3.18% | 3.18% | $1.22B | Nov 3, 2025 | ▼ 1.31M |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 419.4K | 84.31% | 84.31% | $323.05M | Nov 12, 2025 | ▲ 983 |
ACADIAN ASSET MANAGEMENT LLC pharmaceutical preparations | 416.6K | 83.74% | 83.74% | $320.00M | Nov 13, 2025 | ▼ 7.9K |
BLACKROCK, INC. pharmaceutical preparations | 334.6K | 67.27% | 67.27% | $257.68M | Nov 12, 2025 | — held |
AMH EQUITY LTD pharmaceutical preparations | 245.9K | 49.44% | 49.44% | $189.37M | Oct 29, 2025 | ▼ 15.1K |
YAKIRA CAPITAL MANAGEMENT, INC. pharmaceutical preparations | 189.8K | 38.15% | 38.15% | $146.15M | Nov 13, 2025 | — held |
RENAISSANCE TECHNOLOGIES LLC pharmaceutical preparations | 174.6K | 35.10% | 35.10% | $134.44M | Nov 13, 2025 | ▲ 14.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
9
Increased
+2.31M shares5
New Positions
first time holders10
Decreased
−1.60M shares5
Sold Out
fully exitedNet shares change (top 50)
+708.3K
+2.31M / −1.60M
Net new holders
-1
5 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SCYX insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
0
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
Angulo Gonzalez David Chief Executive Officer | Apr 1, 2026 | Purchase | 108,695 | — | — | 1.36M | Form 4 ↗ |
Angulo Gonzalez David Chief Executive Officer | Apr 1, 2026 | Purchase | 108,695 | $1.20 | $130.4K | 108.7K | Form 4 ↗ |
Macleod ivor Chief Financial Officer | Jan 29, 2026 | Award | 129,833 | — | — | 398.5K | Form 4 ↗ |
Sukenick Scott Chief Legal Officer | Jan 29, 2026 | Award | 129,833 | — | — | 574.5K | Form 4 ↗ |
Angulo Gonzalez David Chief Executive Officer | Jan 29, 2026 | Award | 391,333 | — | — | 1.24M | Form 4 ↗ |
Angulo Gonzalez David Chief Executive Officer | Oct 17, 2025 | Award | 32,500 | $0.76 | $24.7K | 853.1K | Form 4 ↗ |
Tinmouth Brian Philippe director | Jun 26, 2025 | Award | 23,000 | — | — | 74.0K | Form 4 ↗ |
Tinmouth Brian Philippe director | Jun 26, 2025 | Award | 23,000 | $0.74 | $17.0K | 23.0K | Form 4 ↗ |
Macdonald Guy director | Jun 26, 2025 | Award | 23,000 | — | — | 78.0K | Form 4 ↗ |
Macdonald Guy director | Jun 26, 2025 | Award | 23,000 | $0.74 | $17.0K | 23.0K | 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
SCYNEXIS, Inc. (SCYX) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 3.48%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of SCYNEXIS, Inc. is AVIDITY PARTNERS MANAGEMENT LP, holding approximately 3.35 million shares — equal to 6.73% of outstanding shares — as of September 30, 2025.
A total of 39 institutional investors currently hold SCYX stock, with a combined institutional value of approximately $9,062,084 as of the most recent 13F filing period.
Frequently asked questions
SCYX ownershipSCYNEXIS, Inc. (SCYX) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is AVIDITY PARTNERS MANAGEMENT LP with a 6.73% stake. Company insiders hold 3.48%. Data sourced from SEC Form 13F as of September 30, 2025.