Security key
142038108
Caribou Biosciences, Inc. - Common Stock (CRBU)
CUSIP: 142038108
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 30,588,325
- Total 13F value
- $457,556,044
- Share change
- +768,356
- Put/Call ratio
- 73%
- SEC-reported price per share
- $15.09
- Number of holders
- 90
- Value change
- -$490,819
- Number of buys
- 56
- Number of sells
- 32
- Shares outstanding
- 92,189,700
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
90
Top holders
10
CRBU full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
Caribou Biosciences, Inc. SEC filings
Caribou Biosciences, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 142038108
Recent filing periods:
Ownership snapshot
Top reported holders of CRBU - Caribou Biosciences, Inc. - Common Stock (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
PFM Health Sciences, LP
Disclosed value leader
PFM Health Sciences, LP
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
3/4/5
Lead comparable stake: 4.4%
Showing 1-6 of 15 holder rows.
Quick read
PFM Health Sciences, LP leads the comparable SEC ownership view at 4.4%.
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 PFM Health Sciences, LP's linked filing trail.
Comparable ownership
Top 5
PFM Health Sciences, LP
4.4%
FMR LLC
3.6%
FARALLON CAPITAL MANAGEMENT LLC
3.2%
Avidity Partners Management LP
2.7%
PICTET ASSET MANAGEMENT SA
2.1%
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 |
|---|---|---|---|---|---|
| PFM Health Sciences, LP |
13F
Company
|
4.4%
|
$88,176,000
4,092,309 shares
|
— | 30 Sep 2021 |
| FMR LLC |
13F
3/4/5
Company · Other*
|
3.6%
|
$79,327,000
3,323,284 shares
|
— | 30 Sep 2021 |
| FARALLON CAPITAL MANAGEMENT LLC |
13F
Company
|
3.2%
|
$70,738,000
2,963,448 shares
|
— | 30 Sep 2021 |
| Avidity Partners Management LP |
13F
Company
|
2.7%
|
$59,056,000
2,474,067 shares
|
— | 30 Sep 2021 |
| PICTET ASSET MANAGEMENT SA |
13F
Company
|
2.1%
|
$46,898,000
1,964,707 shares
|
— | 30 Sep 2021 |
| ALKEON CAPITAL MANAGEMENT LLC |
13F
Company
|
1.4%
|
$29,757,000
1,246,625 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
90
Shares
30,588,325
Rows available
90
| 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
86
Q4 2021 holders
90
Holder diff
4
| 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