Entity Type
Company
Filer Snapshot
Casdin Capital, LLC
CIK 0001534261. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total Filings
209
Latest Filing
22 May 2026
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13F-HR for Q1 2026. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
$1.32B
40 holdings for Q1 2026
Open portfolioLargest parsed holding
RVMD
$250.65M reported value
Open holding13D/G large stake
BLFS
20 May 2026 · 9.7% ownership
Open 13D/GInsider / owner context
WGS
18 May 2026 · $154.95M
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Source: SEC Schedule 13D/G
View Source Filing
SCHEDULE 13D/A filed on 22 May 2026 for CIK 0001534261.
- Business address
- 1350 Avenue Of The Americas, Suite 2600, New York, NY, 10019
- Filing-backed coverage
-
13F portfolio value
$1.32B
Latest parsed institutional portfolio value.
Insider holdings value
$280.59M
Parsed Forms 3/4/5 holdings where value can be estimated.
Top 13F symbols
RVMD, WGS, RLAY, BLFS
Symbols from the latest parsed 13F holdings.
- Top ownership positions
-
WGS BLFS TSVT
- Largest 13F holdings
-
RVMD WGS RLAY BLFS LAB ILMN GPCR TXG DNLI BEAM GH NGNE
+8 more
ALNY MAZE SRRK AGMB HIMS TSHA QGEN TEM - Schedule 13D positions
-
BLFS LAB TNYA
- Schedule 13G positions
-
RLAY CDXS NGNE IPSC
- State of incorporation
- DE
- Fiscal year end
- 31 December
Identity
SEC ownership signals
SEC record
Filer intelligence
What SEC filings say about Casdin Capital, LLC
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
- Latest parsed 13F shows $1.32B across 40 reported holdings for Q1 2026.
- Largest parsed 13F holding: RVMD at $250.65M.
- 5 recent 13D/G stake rows found; top row is BLFS at 9.7% ownership.
- Forms 3/4/5 show insider context for WGS worth $154.95M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Top parsed 13F holdings
Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.
Top 5 concentration
59%
Share of latest parsed 13F value represented by the visible holdings below.
Top 5 reported value
$782.51M
Compared with $1.32B total 13F value.
Top 5 net change
+$14.08M
Position-value change inside the visible top holdings only.
13F concentration map
A simple visual split of the latest parsed 13F portfolio.
Largest add: TXG · Largest trim: RNA
RVMD
WGS
RLAY
BLFS
LAB
Other holdings
13D/G large-stake context
BLFS
20 May 2026 · Common Stock, par value $0.001 per share
RLAY
31 Dec 2025 · Common Stock, par value $0.001 per share
LAB
25 Nov 2025 · Common Stock, $0.001 par value per share
CDXS
30 Sep 2025 · Common Stock, par value $0.0001 per share
Forms 3/4/5 insider context
WGS
18 May 2026 · 10% owner
BLFS
19 May 2026 · 10% owner
TSVT
13 May 2025
Latest update
What changed recently for Casdin Capital, LLC
Latest Schedule 13D/G period: 20 May 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
22 May 2026
Page type
Filer profile
Latest period
20 May 2026
Schedule 13D/G context is visible from filings filed on 22 May 2026.
Benchmark Context
Benchmark context for this company
Casdin Capital, LLC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.
Compared with
Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.
Why this is notable
Latest Schedule 13D/G period: 20 May 2026. That gives you a fresh baseline before you compare this company with peers.
- Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
- Open the facts page first if you want the cleanest path to verification.
Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.
SEC filing record
CIK 0001534261 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
209
First seen
08 Feb 2016
Latest filing
22 May 2026
Entity
Company
Observed form types
SCHEDULE 13D/A
4
13F-HR
SCHEDULE 13G/A
N-PX
4/A
SC 13G
SC 13G/A
13F-HR/A
SC 13D/A
+2 more
Latest Filings
Showing the latest 12 of 209 SEC filings for Casdin Capital, LLC.
SCHEDULE 13D/A
SCHEDULE 13D/A filing
- Filing date
- 22 May 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-36362
4 filing
- Filing date
- 21 May 2026
- Reporting date
- 19 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-39482
4 filing
- Filing date
- 20 May 2026
- Reporting date
- 18 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-17113
13F-HR filing
- Filing date
- 15 May 2026
- Reporting date
- 31 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-39482
4 filing
- Filing date
- 11 May 2026
- Reporting date
- 07 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G/A
SCHEDULE 13G/A filing
- Filing date
- 17 Feb 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G/A
SCHEDULE 13G/A filing
- Filing date
- 17 Feb 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-17113
13F-HR filing
- Filing date
- 17 Feb 2026
- Reporting date
- 31 Dec 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-34180
4 filing
- Filing date
- 04 Dec 2025
- Reporting date
- 02 Dec 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13D/A
SCHEDULE 13D/A filing
- Filing date
- 28 Nov 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-34180
4 filing
- Filing date
- 26 Nov 2025
- Reporting date
- 24 Nov 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-34180
4 filing
- Filing date
- 20 Nov 2025
- Reporting date
- 18 Nov 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing