Security key
81749D107
SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA)
CUSIP: 81749D107
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Class A Common Stock, par value $0.0001 per share
- Total 13F shares
- 9,279,441
- Total 13F value
- $63,795,000
- Share change
- -12,973
- SEC-reported price per share
- $6.87
- Number of holders
- 36
- Value change
- -$353,446
- Number of buys
- 17
- Number of sells
- 12
- Shares outstanding
- 38,452,198
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
36
Top holders
10
SERA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
SERA PROGNOSTICS, INC. SEC filings
SERA PROGNOSTICS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 81749D107
Recent filing periods:
Ownership snapshot
Top reported holders of SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
INTERWEST VENTURE MANAGEM...
Disclosed value leader
INTERWEST VENTURE MANAGEM...
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 6.3%
Showing 1-6 of 15 holder rows.
Quick read
INTERWEST VENTURE MANAGEMENT CO leads the comparable SEC ownership view at 6.3%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens INTERWEST VENTURE MANAGEMENT CO's linked filing trail.
Comparable ownership
Top 5
INTERWEST VENTURE MANAGEMENT CO
6.3%
Vivo Capital, LLC
4.8%
Parian Global Management LP
2.8%
Gates Foundation
2%
SANDERS MORRIS HARRIS LLC
1.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| INTERWEST VENTURE MANAGEMENT CO |
13F
Company
|
6.3%
|
$26,844,000
2,416,241 shares
|
— | 30 Sep 2021 |
| Vivo Capital, LLC |
13F
Company
|
4.8%
|
$20,620,000
1,856,011 shares
|
— | 30 Sep 2021 |
| Parian Global Management LP |
13F
Company
|
2.8%
|
$11,931,000
1,073,898 shares
|
— | 30 Sep 2021 |
| Gates Foundation |
13F
Company
|
2%
|
$8,700,000
779,814 shares
|
— | 30 Sep 2021 |
| SANDERS MORRIS HARRIS LLC |
13F
Company
|
1.5%
|
$6,358,000
572,234 shares
|
— | 30 Sep 2021 |
| Skye Global Management LP |
13F
Company
|
0.93%
|
$3,955,000
356,000 shares
|
— | 30 Sep 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
36
Shares
9,279,441
Rows available
36
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
35
Q4 2021 holders
36
Holder diff
1
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend