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Sionna Therapeutics, Inc. (SION)
NASDAQ:SION
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
Feb 04, 2026 | xxxxxxxxxxxxx | $1379866 | |
Feb 04, 2026 | xxxxxxxxxxxxx | $1379866 | |
Jan 26, 2026 | xxxxxxxxxxxxx | $10000000 | |
Dec 29, 2025 | xxxxxxxxxxxxx | $1486010 |
Recent Hedge Fund Trading Activity
Date | Firm | Activity | Value |
|---|---|---|---|
Sep 30, 2025 | xxxxxxxxxxxxx | $34677272 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 10,445,322 | Institution | 23.40% | 408,516,543 | |
| 6,744,962 | Insider | 15.11% | 263,795,464 | |
| 3,694,020 | Insider | 8.28% | 144,473,122 | |
| 3,561,655 | Insider | 7.98% | 139,296,327 | |
| 3,561,655 | Insider | 7.98% | 139,296,327 | |
| 3,195,181 | Institution | 7.16% | 124,963,529 | |
| 2,995,602 | Insider | 6.71% | 117,157,994 | |
| 1,179,098 | Institution | 2.64% | 46,114,523 | |
| 1,140,846 | Institution | 2.56% | 44,618,487 | |
| 1,043,862 | Institution | 2.34% | 40,825,443 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 1,140,846 | Institution | 2.56% | 44,618,487 | |
| 944,592 | Institution | 2.12% | 36,942,993 | |
| 553,942 | Institution | 1.24% | 21,664,672 | |
| 513,088 | Institution | 1.15% | 20,066,872 | |
| 282,266 | Institution | 0.63% | 11,039,423 | |
| 153,146 | Institution | 0.34% | 5,989,540 | |
| 134,580 | Institution | 0.30% | 5,263,424 | |
| 123,171 | Institution | 0.28% | 4,817,218 | |
| 84,606 | Institution | 0.19% | 3,308,941 | |
| 69,994 | Institution | 0.16% | 2,737,465 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 795,051 | Institution | 1.78% | 32,708,398 | |
| 426,952 | Institution | 0.96% | 16,587,085 | |
| 393,689 | Institution | 0.88% | 15,397,177 | |
| 182,784 | Institution | 0.41% | 7,148,682 | |
| 154,481 | Institution | 0.35% | 6,355,348 | |
| 137,588 | Institution | 0.31% | 5,381,067 | |
| 78,794 | Institution | 0.18% | 3,241,585 | |
| 77,704 | Institution | 0.17% | 3,039,003 | |
| 67,880 | Institution | 0.15% | 2,637,138 | |
| 40,827 | Institution | 0.09% | 1,596,744 |
FAQ
Who Owns Sionna Therapeutics, Inc. (SION)?
Currently, no data Available
What percentage of Sionna Therapeutics, Inc. (SION) stock is held by institutional investors?
Currently, no data Available
What percentage of Sionna Therapeutics, Inc. (SION) stock is held by retail investors?
Currently, no data Available
Who owns the most shares of Sionna Therapeutics, Inc. (SION)?
Peter Kolchinsky owns the most shares of Sionna Therapeutics, Inc. (SION).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.