Security key
69404D108
PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock (PACB)
CUSIP: 69404D108
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 225,076,304
- Total 13F value
- $265,438,365
- Share change
- -33,615,931
- Put/Call ratio
- 45%
- SEC-reported price per share
- $1.18
- Number of holders
- 215
- Value change
- -$42,568,126
- Number of buys
- 89
- Number of sells
- 108
- Shares outstanding
- 301,979,157
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
Q1 2025
Institutions
215
Top holders
10
PACB full security history
Ownership snapshot
Full 13F holder table
PACIFIC BIOSCIENCES OF CALIFORNIA, INC. SEC filings
PACIFIC BIOSCIENCES OF CALIFORNIA, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of PACB - PACIFIC BIOSCIENCES OF CALIFORNIA, 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
BlackRock, Inc.
Disclosed value leader
ARK Investment Management...
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
13D/G
Lead comparable stake: 7.7%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 7.7%.
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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
7.7%
MILLENNIUM MANAGEMENT LLC
0.7%
ARK Investment Management LLC
12%
Madrone Advisors, LLC
7.7%
EDMOND DE ROTHSCHILD HOLDING S.A.
7.1%
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
7.7%
from 13D/G
|
$45,008,436
24,594,773 shares
|
— | 31 Dec 2024 |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
Company
|
0.7%
from 13D/G
|
$31,229,556
17,065,331 shares
|
— | 31 Dec 2024 |
| ARK Investment Management LLC |
13F
Company
|
12%
|
$65,961,183
36,044,362 shares
|
— | 31 Dec 2024 |
| Madrone Advisors, LLC |
13F
Company
|
7.7%
|
$42,807,204
23,391,915 shares
|
— | 31 Dec 2024 |
| EDMOND DE ROTHSCHILD HOLDING S.A. |
13F
Company
|
7.1%
|
$39,064,058
21,346,480 shares
|
— | 31 Dec 2024 |
| SOFTBANK GROUP CORP. |
13F
Company
|
6.8%
|
$37,426,373
20,451,570 shares
|
— | 31 Dec 2024 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
215
Shares
225,076,304
Rows available
215
| 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 2025 vs Q1 2025 Across Filers
Q1 2025 holders
215
Q1 2025 holders
215
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|