Security key
471871103
- Security type / class
- Equity / COM
- Total 13F shares
- 20,083,645
- Total 13F value
- $69,603,500
- Share change
- -612,486
- Put/Call ratio
- 6.2%
- SEC-reported price per share
- $3.55
- Number of holders
- 21
- Value change
- -$2,448,923
- Number of buys
- 9
- Number of sells
- 13
Open additional details 1 more signal available
Report period
Q1 2022
Institutions
21
Top holders
10
JSPR full security history
Ownership snapshot
Full 13F holder table
Jasper Therapeutics, Inc. SEC filings
Jasper Therapeutics, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of JSPR - JASPER THERAPEUTICS INC - COM (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
Abingworth LLP
Disclosed value leader
Abingworth LLP
Comparable rows
0/15
Latest evidence
31 Dec 2021
13F
3/4/5
Highest disclosed value: $44,128,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Abingworth LLP has the largest disclosed position value at $44.13M.
0 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 Abingworth LLP's linked filing trail.
Disclosed position value
Top 5
Abingworth LLP
$44.13M
Amplitude Healthcare Holdings LLC
$1.49M
Velan Capital Investment Manageme...
$22.94M
CITADEL ADVISORS LLC
$22.77M
FEDERATED HERMES, INC.
$9.47M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Abingworth LLP |
13F
3/4/5
Company · 10%+ Owner
|
—
denominator unverified
|
$44,128,000
5,628,558 shares
|
— | 31 Dec 2021 |
| Amplitude Healthcare Holdings LLC |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$1,491,780
2,300,000 shares
|
— | 24 Sep 2021 |
| Velan Capital Investment Management LP |
13F
Company
|
—
denominator unverified
|
$22,945,000
3,219,036 shares
|
— | 31 Dec 2021 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$22,771,000
3,046,156 shares
|
— | 31 Dec 2021 |
| FEDERATED HERMES, INC. |
13F
Company
|
—
denominator unverified
|
$9,472,000
1,206,577 shares
|
— | 31 Dec 2021 |
| KINGDON CAPITAL MANAGEMENT, L.L.C. |
13F
Company
|
—
denominator unverified
|
$4,239,000
540,000 shares
|
— | 31 Dec 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 Q1 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
21
Shares
20,083,645
Rows available
21
| 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 Q1 2022 vs Q1 2022 Across Filers
Q1 2022 holders
21
Q1 2022 holders
21
Holder diff
0
| Investor | Q1 2022 Shares | Q1 2022 Shares | Share Diff | Share Chg % | Q1 2022 value | Q1 2022 value | Value change | Value Chg % |
|---|