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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
2.19
as of 2026-10-15

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
2026-10-15 46,933,159 2.19 -0.6%
2026-09-30 47,224,448 2.97 -3.4%
2026-09-15 48,892,225 10.49 -1.4%
2026-08-31 49,578,770 6.75 -7.2%
2026-08-14 53,412,027 6.63 +9.0%
2026-07-31 49,004,841 7.35 +6.0%
2026-07-15 46,237,636 9.97 -2.6%
2026-06-30 47,490,204 6.51 -21.6%
2026-06-15 60,560,138 10.17 +24.3%
2026-05-29 48,707,384 8.57 -18.7%
2026-05-15 59,926,798 9.02 +27.3%
2026-04-30 47,090,593 7.04 +1.6%

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