Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
BIOS Memory SPV I, LP - 19 Sep 2025 SCHEDULE 13D/A Report for Cognition Therapeutics, Inc. Common Stock, par value $0.001 per share (CGTX)
- Filing manager
- BIOS Memory SPV I, LP
- Reporting owner
- AARON G.L. FLETCHER
- Beneficially owned shares
- 6,059,555 shares
- Large-stake signal
-
Ownership
6.9%Beneficial ownership of this reported class.
Shares
6,059,555 sharesShares beneficially owned as disclosed.
Event date
19 Sep 2025Date tied to the ownership event or amendment.
Accepted by SEC
23 Sep 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 6.9%
- Symbol
- CGTX
- Shares outstanding
- 87,819,638 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 23 Sep 2025, 21:58:47 UTC
- Event date
- 19 Sep 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
BIOS Memory SPV I, LP disclosed 6.9% ownership in Cognition Therapeutics, Inc. Common Stock, par value $0.001 per share (CGTX) on 19 Sep 2025.
Key facts
- BIOS Memory SPV I, LP filed SCHEDULE 13D/A for Cognition Therapeutics, Inc. Common Stock, par value $0.001 per share (CGTX).
- Disclosed ownership: 6.9%.
- Date of event: 19 Sep 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 23 Sep 2025, 21:58.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (22)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| BIOS MEMORY SPV I, LP | 1.6% | 1,424,014 | 0 | 1,424,014 | /s/ John Fucci | Attorney-in-Fact | 0001643749 |
| BIOS MEMORY SPV II, LP | 0.4% | 385,248 | 0 | 385,248 | /s/ John Fucci | Attorney-in-Fact | 0001666485 |
| BIOS FUND I, LP | 0.5% | 418,926 | 0 | 418,926 | /s/ John Fucci | Attorney-in-Fact | 0001697316 |
| BIOS FUND I QP, LP | 0.3% | 245,029 | 0 | 245,029 | /s/ John Fucci | Attorney-in-Fact | 0001700297 |
| BP DIRECTORS, LP | 0.04% | 32,328 | 0 | 32,328 | /s/ John Fucci | Attorney-in-Fact | 0001813311 |
| BIOS FUND II, LP | 0.1% | 78,298 | 0 | 78,298 | /s/ John Fucci | Attorney-in-Fact | 0001714576 |
| BIOS FUND II QP, LP | 0.3% | 255,765 | 0 | 255,765 | /s/ John Fucci | Attorney-in-Fact | 0001716869 |
| BIOS FUND II NT, LP | 0.04% | 34,238 | 0 | 34,238 | /s/ John Fucci | Attorney-in-Fact | 0001728851 |
| BIOS FUND III, LP | 0.4% | 309,748 | 0 | 309,748 | /s/ John Fucci | Attorney-in-Fact | 0001791917 |
| BIOS FUND III QP, LP | 2.3% | 2,021,906 | 0 | 2,021,906 | /s/ John Fucci | Attorney-in-Fact | 0001791916 |
| BIOS FUND III NT, LP | 0.4% | 326,733 | 0 | 326,733 | /s/ John Fucci | Attorney-in-Fact | 0001791910 |
| BIOS CLINICAL OPPORTUNITY FUND, LP | 0.6% | 500,095 | 0 | 500,095 | /s/ John Fucci | Attorney-in-Fact | 0001988639 |
| BIOS EQUITY PARTNERS, LP | 1.2% | 1,081,531 | 0 | 1,081,531 | /s/ John Fucci | Attorney-in-Fact | 0001813314 |
| BIOS EQUITY PARTNERS II, LP | 0.4% | 368,301 | 0 | 368,301 | /s/ John Fucci | Attorney-in-Fact | 0001813313 |
| BIOS EQUITY PARTNERS III, LP | 3% | 2,658,387 | 0 | 2,658,387 | /s/ John Fucci | Attorney-in-Fact | 0001831976 |
| BIOS EQUITY COF, LP | 0.6% | 500,095 | 0 | 500,095 | /s/ John Fucci | Attorney-in-Fact | 0002000747 |
| CAVU MANAGEMENT, LP | 6.3% | 5,532,233 | 0 | 5,532,233 | /s/ John Fucci | Attorney-in-Fact | 0001813270 |
| BIOS CAPITAL MANAGEMENT, LP | 6.8% | 6,032,328 | 0 | 6,032,328 | /s/ John Fucci | Attorney-in-Fact | 0001813845 |
| CAVU ADVISORS, LLC | 6.3% | 5,532,233 | 0 | 5,532,233 | /s/ John Fucci | Attorney-in-Fact | 0001813310 |
| BIOS ADVISORS GP, LLC | 6.8% | 6,032,328 | 0 | 6,032,328 | /s/ John Fucci | Attorney-in-Fact | 0001813844 |
| LESLIE W. KREIS | 6.3% | 5,532,233 | 0 | 5,532,233 | /s/ John Fucci | Attorney-in-Fact | 0001813316 |
| AARON G.L. FLETCHER | 6.9% | 6,059,555 | 27,227 | 6,032,328 | /s/ John Fucci | Attorney-in-Fact | 0001789490 |
CIK / CUSIP context first