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Security record · archived quarter

PACB

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
10Tracked holders
-2Δ holders
60.13MShares held
$102.22MReported value
+0New positions
−2Exits
Strongly Falling How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -16.7% · share flow +5.0% · net new positions -20.0%formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 90 +1 144.63M $242.83M +6 −5
Q1 2026 91 +9 142.21M $187.92M +14 −5
Q4 2025 81 +2 149.29M $279.06M +3 −1
Q3 2025 15 0 92.77M $118.74M +2 −2
Q2 2025 12 0 89.61M $111.12M +3 −3
Q1 2025 9 -1 53.19M $62.77M +1 −2
Q4 2024 10 -1 71.52M $130.89M −1
Q3 2024 10 -2 60.13M $102.22M −2
Q2 2024 12 57.24M $78.42M
Holder count
Who holds it · Q3 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 ARK Investment Management 33.41M +0.6% $56.79M 0.5% ▲ Add 2 SEC ↗
2 Millennium Management 10.42M +125.1% $17.72M 0.0% ▲ Add 2 SEC ↗
3 Geode Capital Management (passive) 6.33M +3.7% $10.76M 0.0% ▲ Add 2 SEC ↗
4 Geode Capital Management (passive) 6.33M +3.7% $10.76M 0.0% ▲ Add 2 SEC ↗
5 Capital World Investors 3.39M 0.0% $5.76M 0.0% Held 2 SEC ↗
6 Marshall Wace 2.12M +31.7% $3.61M 0.0% ▲ Add 2 SEC ↗
7 Soros Fund Management 2.10M +23.6% $3.57M 0.1% ▲ Add 2 SEC ↗
8 T. Rowe Price 1.84M -5.2% $3.13M 0.0% ▼ Trim 2 SEC ↗
9 T. Rowe Price 1.84M -5.2% $3.13M 0.0% ▼ Trim 2 SEC ↗
10 Two Sigma Investments 465.17K -44.3% $790,789 0.0% ▼ Trim 2 SEC ↗
11 Fisher Asset Management 54.88K -2.1% $93,299 0.0% ▼ Trim 2 SEC ↗
12 Citadel Advisors 22 -100.0% $37 0.0% ▼ Trim 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

D. E. Shaw & Co. $2.25M was 0.0%
Norges Bank $1.66M was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 229 holders, 188.05M shares, $246.02M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Beneficial ownership
Aug 14 SC 13G/A — ARK Investment Management LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q3 2024 · Methodology · Get this via the API