L3VLUP
ProSign in

PACB in the 13F filings

Pacific Biosciences of Calif · CUSIP 69404D108

Sector · Medical devices and instrumentsTheme · Healthcare: biopharma and medtech· L3VLUP-defined
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
31 Dec 2025
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 10 Feb 2026
Managers listing it
21
at least, of 95 tracked, among listed positions
Comparable managers
92
filed both Q3 2025 and Q4 2025; 2 listed it in both
Shares listed
67,763,589
combined, among listed positions
Reported value
$127m
combined, at the quarter end

Among the 92 comparable managers: 17 buyers (opened or added shares) and 4 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +24,258,256.

Managers listing PACB in Q4 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q3 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

21 of 21 holders

ActionFiling
ARK Investment Management LLC37,264,228$70m0.46%Added+6,340,12511 Feb 2026 (the filing on sec.gov)
D. E. Shaw & Co.4,438,273$8.3munder 0.1%Newnew17 Feb 2026 (the filing on sec.gov)
Millennium Management LLC4,344,569$8.1munder 0.1%Trimmed-572,22617 Feb 2026 (the filing on sec.gov)
Renaissance Technologies LLC3,850,600$7.2munder 0.1%Newnew12 Feb 2026 (the filing on sec.gov)
Citadel Advisors LLC3,166,241$5.9munder 0.1%Added+667,88717 Feb 2026 (the filing on sec.gov)
Point72 Asset Management LP2,957,400$5.5munder 0.1%Newnew17 Feb 2026 (the filing on sec.gov)
Two Sigma Investments LP2,877,184$5.4munder 0.1%Added+2,475,41817 Feb 2026 (the filing on sec.gov)
Susquehanna International Group LLP2,611,543$4.9munder 0.1%Added+1,236,28417 Feb 2026 (the filing on sec.gov)
Jane Street Group LLC1,500,518$2.8munder 0.1%Added+1,263,49512 Feb 2026 (the filing on sec.gov)
Invesco Ltd1,433,011$2.7munder 0.1%Added+326,23819 Feb 2026 (the filing on sec.gov)
Two Sigma Advisers LP827,500$1.5munder 0.1%Newnew17 Feb 2026 (the filing on sec.gov)
Caxton Associates LLP641,724$1.2munder 0.1%Newnew13 Feb 2026 (the filing on sec.gov)
Squarepoint Ops LLC448,558$839kunder 0.1%Trimmed-483,51813 Feb 2026 (the filing on sec.gov)
Acadian Asset Management LLC441,250$822kunder 0.1%Added+418,13410 Feb 2026 (the filing on sec.gov)
AllianceBernstein LP387,060$724kunder 0.1%Held017 Feb 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc163,527$306kunder 0.1%Added+17,66317 Feb 2026 (the filing on sec.gov)
Polen Capital Management LLC137,149$256kunder 0.1%Newnew12 Feb 2026 (the filing on sec.gov)
Farallon Capital Management LLC135,000$252kunder 0.1%Held017 Feb 2026 (the filing on sec.gov)
AQR Capital Management LLC86,964$163kunder 0.1%Added+35,62917 Feb 2026 (the filing on sec.gov)
Fidelity (FMR LLC)29,855$56kunder 0.1%Added+11,27917 Feb 2026 (the filing on sec.gov)
Neuberger Berman Group LLC21,435$40kunder 0.1%Newnew27 Oct 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q3 2025 to Q4 2025, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (7)

Exited (2)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
4 in Q3 2024 to 2 in Q2 2026

Tracked managers listing it, at least.

024682014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
PACB by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20131$8.9mn.a.n.a.
Q3 20132$32mn.a.n.a.
Q4 20132$35mn.a.n.a.
Q1 20142$53mn.a.n.a.
Q2 20141$40mn.a.n.a.
Q3 20141$32mn.a.n.a.
Q4 20142$51mn.a.n.a.
Q1 20151$41mn.a.n.a.
Q2 20151$41mn.a.n.a.
Q3 20151$27mn.a.n.a.
Q4 20151$99mn.a.n.a.
Q1 20165$101mn.a.n.a.
Q2 20164$88mn.a.n.a.
Q3 20162$93mn.a.n.a.
Q4 20162$39mn.a.n.a.
Q1 20174$61mn.a.n.a.
Q2 20173$67mn.a.n.a.
Q3 20175$104mn.a.n.a.
Q4 20174$52mn.a.n.a.
Q1 20184$55mn.a.n.a.
Q2 20185$110mn.a.n.a.
Q3 20186$164mn.a.n.a.
Q4 20184$8.0mn.a.n.a.
Q1 20193$21mn.a.n.a.
Q2 20192$2.8mn.a.n.a.
Q3 20192$6.2mn.a.n.a.
Q4 20195$46mn.a.n.a.
Q1 20204$49mn.a.n.a.
Q2 20204$68mn.a.n.a.
Q3 20207$363mn.a.n.a.
Q4 20207$979mn.a.n.a.
Q1 20215$879mn.a.n.a.
Q2 20218$960mn.a.n.a.
Q3 20217$758mn.a.n.a.
Q4 20214$651mn.a.n.a.
Q1 20226$330mn.a.n.a.
Q2 20226$211mn.a.n.a.
Q3 20224$203mn.a.n.a.
Q4 20225$320mn.a.n.a.
Q1 20237$561mn.a.n.a.
Q2 20238$629mn.a.n.a.
Q3 20236$405mn.a.n.a.
Q4 20235$503m22
Q1 20245$164m13
Q2 20244$53m12
Q3 20244$66m20
Q4 20244$71m30
Q1 20253$44m11
Q2 20252$45m02
Q3 20252$40m01
Q4 20254$71m174
Q1 20262$48m1311
Q2 20262$50m1511

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

PACB and LLY →PACB and JNJ →PACB and VRTX →Choose a stock to compare with PACB →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own PACB, latest filings →Back to the 13F Explorer →