Stock Ownership/PACB

PACIFIC BIOSCIENCES CALIF IN (PACB): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in PACB · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
19
13F filers
Aggregate Value
$44.0M
Across holders
Last Price
$1.28
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity11 increased5 reduced3 exited
Full exits: Hudson Bay Capital Management LP, CAXTON ASSOCIATES LLP, Brevan Howard Capital Management LP
Institutional Holders of PACB
↗
19 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund4.79M$8.0M18.3%0.0%Added+$7.6MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund4.24M$7.1M16.2%0.0%Added+$1.2MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund4.21M$7.1M16.1%0.0%Added+$5.4MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund3.96M$6.7M15.1%0.0%Reduced$-1.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund2.85M$4.8M10.9%0.0%Added+$4.6MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.30M$2.2M5.0%0.0%Added+$2.1MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund966K$1.6M3.7%0.0%Reduced$-2.6MQ2 2026
HHLR ADVISORS, LTD.
CIK 0001762304
Hedge Fund919K$1.5M3.5%0.2%Unchanged+$0Q2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund685K$1.2M2.6%0.0%Unchanged+$0Q2 2026
Man Group plc
CIK 0001637460
Hedge Fund597K$1.0M2.3%0.0%Added—Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$8.0M· 18.3% of total· 0.0% port· 4.79M sh· +$7.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$7.1M· 16.2% of total· 0.0% port· 4.24M sh· +$1.2M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$7.1M· 16.1% of total· 0.0% port· 4.21M sh· +$5.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$6.7M· 15.1% of total· 0.0% port· 3.96M sh· $-1.6M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$4.8M· 10.9% of total· 0.0% port· 2.85M sh· +$4.6M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.2M· 5.0% of total· 0.0% port· 1.30M sh· +$2.1M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$1.6M· 3.7% of total· 0.0% port· 966K sh· $-2.6M QoQ· Q2 2026
HHLR ADVISORS, LTD.Unchanged
Hedge Fund
$1.5M· 3.5% of total· 0.2% port· 919K sh· +$0 QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALUnchanged
Hedge Fund
$1.2M· 2.6% of total· 0.0% port· 685K sh· +$0 QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$1.0M· 2.3% of total· 0.0% port· 597K sh· — QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$948K· 2.2% of total· 0.0% port· 564K sh· +$510K QoQ· Q2 2026
ArrowMark Colorado Holdings LLCUnchanged
Hedge Fund
$787K· 1.8% of total· 0.0% port· 468K sh· +$0 QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$501K· 1.1% of total· 0.0% port· 298K sh· $-1.5M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$275K· 0.6% of total· 0.0% port· 164K sh· +$138K QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$173K· 0.4% of total· 0.0% port· 103K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$70K· 0.2% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$29K· 0.1% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
FARALLON CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$24K· 0.1% of total· 0.0% port· 14K sh· $-203K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$4K· 0.0% of total· 0.0% port· 2K sh· +$3K QoQ· Q2 2026
1–10 of 19
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