Main Street Research LLC
Position in PACB — Pacific Biosciences Of California, Inc.
CIK 1513211
SAUSALITO, CA
Position in PACB
as of Jun 30, 2026
· filed Jul 29, 2026
Position Value
$255,528
+$54,756 QoQ
Shares Held
152,100
0.0% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#69
of 222 holders
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PACB Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026Main Street Research LLC holds $1,074,300 across 4 Medical Devices names. PACB ranks #2 (23.8% of the industry book) .
All Filings in PACB
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $255,528 | 152,100 | Shares | Sole | 2026-07-29 | |
| 2026-03-31 | $200,772 | 152,100 | Shares | Sole | 2026-04-30 | |
| 2025-09-30 | $181,888 | 142,100 | Shares | Sole | 2025-11-13 | |
| No filing history on record for this holder in this stock. | ||||||