Entity type
Individual
Filer Snapshot
Bihua Chen
CIK 0001599214. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
57
Latest filing
15 May 2026
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13D/G stake for BMEA. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
—
No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
—
Populates from the latest parsed 13F information table.
Open holding13D/G large stake
BMEA
22 Oct 2025 · 1.5% ownership
Open 13D/GInsider / owner context
BBOT
11 Aug 2025 · $191.61M
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Source: SEC Form 13F
View Source Filing
13F-NT filed on 15 May 2026 for CIK 0001599214.
- Ownership signals
-
Value by filing family
These bars compare separate filing families; do not add them into one ownership total.
Forms 3/4/5 positions$323.03MReporting-owner positions when a value can be estimated.
Forms 3/4/5 position value
$323.03M
Estimated from Forms 3/4/5 when filings include enough share and price data.
Largest SEC-reported positions
Largest issuer positions across supported ownership filing types.
BBOT DRUG ERAS MLTX HLXC BMEASchedule 13G holdings
Large-stake positions disclosed in parsed Schedule 13G filings.
MLTXHow to read filing-family values
- Keep filing families separate: 13F portfolio value, 13D/G large stakes, and Forms 3/4/5 reporting-owner positions are different evidence types.
- Use the linked research paths to verify each signal against the original SEC filing.
- Business address
- C/O Cormorant Asset Management, Lp, 200 Clarendon Street, 52 Nd Floor, Boston, MA, 02116
Ownership signals
1 signal
Identity
1 identity field
Filer intelligence
What SEC filings say about Bihua Chen
A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.
Quick read
- 4 recent 13D/G stake rows found; top row is BMEA at 1.5% ownership.
- Forms 3/4/5 show insider context for BBOT worth $191.61M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
13D/G large-stake context
BMEA
22 Oct 2025 · Common Stock
MLTX
30 Sep 2025 · Class A Ordinary Shares
HLXB
11 Aug 2025 · Common Stock
HLXB
28 Feb 2025 · Class A ordinary shares, $0.0001 par value per share
Forms 3/4/5 insider context
BBOT
11 Aug 2025 · 10% owner
DRUG
28 Apr 2026
ERAS
22 Jun 2023
MLTX
29 Sep 2025
Latest update
What changed recently for Bihua Chen
Latest 13F period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
15 May 2026
Page type
Filer profile
Latest period
Q1 2026
Institutional portfolio context was refreshed from a 13F filing filed on 15 May 2026.
SEC filing record
CIK 0001599214 filing coverage
Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.
SEC filings
57
First seen
14 Feb 2014
Latest filing
15 May 2026
Entity
Individual
Observed form types
13F-NT
4
4/A
SCHEDULE 13G/A
Latest Filings
Showing the latest 12 of 57 SEC filings for Bihua Chen.
13F-NT
13F-NT filing
- Filing date
- 15 May 2026
- Reporting date
- 31 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 17 Feb 2026
- Reporting date
- 31 Dec 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4/A
4/A filing
- Filing date
- 28 Jan 2026
- Reporting date
- 26 Jan 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 26 Jan 2026
- Reporting date
- 26 Jan 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 14 Nov 2025
- Reporting date
- 30 Sep 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G/A
SCHEDULE 13G/A filing
- Filing date
- 01 Oct 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 14 Aug 2025
- Reporting date
- 30 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 15 May 2025
- Reporting date
- 31 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 14 Feb 2025
- Reporting date
- 31 Dec 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 14 Nov 2024
- Reporting date
- 30 Sep 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 14 Aug 2024
- Reporting date
- 30 Jun 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-NT
13F-NT filing
- Filing date
- 15 May 2024
- Reporting date
- 31 Mar 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing