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ISSUER PROFILE · CIK 0001299130

PACIFIC BIOSCIENCES OF CALIFORNIA, INC.PACB

2 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
8.41
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2019-08-29 SC Magnetar Financial LLC view →
2019-04-30 SC Magnetar Financial LLC view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 45,631,632 8.41 +10.3%
2026-03-13 41,388,621 6.56 +8.4%
2026-02-27 38,191,242 7.14 -1.9%
2026-02-13 38,916,811 5.27 +9.3%
2026-01-30 35,591,593 4.25 +1.4%
2026-01-15 35,091,747 4.00 +3.2%
2025-12-31 34,003,835 5.31 -0.8%
2025-12-15 34,259,532 5.45 +0.6%

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