Entity type
Individual
Filer Snapshot
Julian C. Baker
CIK 0001087939. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
70
Latest filing
12 Nov 2025
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13D/G stake for KNSA. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
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No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
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Populates from the latest parsed 13F information table.
Open holding13D/G large stake
KNSA
21 May 2026 · 7% ownership
Open 13D/GInsider / owner context
INCY
08 May 2026 · $2.68B
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Source: SEC Forms 3/4/5
View source filing
4 filed on 12 Nov 2025 for CIK 0001087939.
- Parsed SEC ownership signals
-
Parsed SEC ownership coverage
These bars compare filing-backed value available in each disclosure family. Read them as separate lenses, not as one combined ownership total.
Forms 3/4/5 positions$3.89BReporting-owner positions with enough filing detail to estimate value.
Forms 3/4/5 position value
3/4/5$3.89BEstimated from parsed Forms 3/4/5 when filings include enough share and price data.
Largest linked holdings
Largest issuer positions linked to this CIK across parsed 13F, 13D/G, and Forms 3/4/5 records.
INCY ACAD KNSA PRLD DNLI ONCHow to read these SEC ownership signals
- Read each filing family separately: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different SEC disclosure questions.
- Open the linked research path when you need the filing, CIK, issuer, or CUSIP trail behind a value.
- Business address
- Baker Bros. Advisors Lp, 860 Washington Street 3 Rd Floor, New York, NY, 10014
Ownership signals
CIK-linked ownership evidence from parsed SEC filings.
1 signal
At a glance
Names, identifiers, and filing context for this profile.
1 identity field
Filer intelligence
What SEC filings say about Julian C. Baker
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
- 3 recent 13D/G stake rows found; top row is KNSA at 7% ownership.
- Forms 3/4/5 show insider context for INCY worth $2.68B.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
13D/G large-stake context
KNSA
21 May 2026 · Class A Ordinary Shares, nominal value $0.000273235 per share
ONC
16 Apr 2026 · Ordinary Shares, par value $0.0001 per share
ACAD
24 Feb 2026 · Common Stock, $0.0001 par value per share
Forms 3/4/5 insider context
INCY
08 May 2026 · 10% owner
ACAD
29 May 2026 · 10% owner
KNSA
29 May 2026
PRLD
21 Apr 2026 · 10% owner
Latest update
What changed recently for Julian C. Baker
Latest ownership report period: 03 Jun 2025. Open the source-backed page to inspect the fresh filing or facts context.
Update date
05 Jun 2025
Page type
Ownership filings
Latest period
03 Jun 2025
Ownership context was refreshed from SEC Forms 3/4/5 filed on 05 Jun 2025.
SEC filing record
CIK 0001087939 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
70
First seen
13 May 2021
Latest filing
12 Nov 2025
Entity
Individual
Observed form types
3
4
CIK-linked evidence first
Latest Filings
Showing the latest 12 of 70 SEC filings for Julian C. Baker.
4
4 filing
- Filing date
- 12 Nov 2025
- Reporting date
- 10 Nov 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Jul 2023
- Reporting date
- 30 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Jul 2023
- Reporting date
- 30 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Jul 2023
- Reporting date
- 30 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 28 Jun 2023
- Reporting date
- 26 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 21 Jun 2023
- Reporting date
- 16 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 20 Jun 2023
- Reporting date
- 15 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 20 Jun 2023
- Reporting date
- 15 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
3 filing
- Filing date
- 20 Jun 2023
- Reporting date
- 15 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 16 Jun 2023
- Reporting date
- 14 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2023
- Reporting date
- 13 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 13 Jun 2023
- Reporting date
- 09 Jun 2023
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing