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Security record · archived quarter

MASS

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
16Tracked holders
0Δ holders
9.68MShares held
$84.83MReported value
+0New positions
−0Exits
Falling How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow -10.1% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 52 -2 10.35M $89.93M +2 −5
Q1 2026 57 -4 10.59M $64.79M −4
Q4 2025 61 +1 11.56M $60.65M +2 −1
Q3 2025 16 0 9.68M $84.83M
Q2 2025 13 +1 10.10M $71.99M +1
Q1 2025 9 0 4.75M $21.27M +2 −2
Q4 2024 9 0 4.58M $10.07M +2 −2
Q3 2024 8 -1 4.69M $16.27M −1
Q2 2024 9 5.68M $29.25M
Holder count
Who holds it · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 2.30M +0.5% $20.14M 0.0% ▲ Add 4 SEC ↗
2 ARK Investment Management 1.95M -26.2% $17.12M 0.1% ▼ Trim 6 SEC ↗
3 BlackRock (passive) 1.76M -1.9% $15.38M 0.0% ▼ Trim 2 SEC ↗
4 BlackRock (passive) 1.76M -1.9% $15.38M 0.0% ▼ Trim 2 SEC ↗
5 BlackRock (passive) 1.76M -1.9% $15.38M 0.0% ▼ Trim 2 SEC ↗
6 BlackRock (passive) 1.76M -1.9% $15.38M 0.0% ▼ Trim 2 SEC ↗
7 BlackRock (passive) 1.76M -1.9% $15.38M 0.0% ▼ Trim 2 SEC ↗
8 BlackRock (passive) 1.76M -1.9% $15.38M 0.0% ▼ Trim 2 SEC ↗
9 The Vanguard Group (passive) 1.42M -0.7% $12.45M 0.0% ▼ Trim 2 SEC ↗
10 The Vanguard Group (passive) 1.42M -0.7% $12.45M 0.0% ▼ Trim 2 SEC ↗
11 The Vanguard Group (passive) 1.42M -0.7% $12.45M 0.0% ▼ Trim 2 SEC ↗
12 Geode Capital Management (passive) 672.09K +2.0% $5.89M 0.0% ▲ Add 6 SEC ↗
13 Geode Capital Management (passive) 672.09K +2.0% $5.89M 0.0% ▲ Add 6 SEC ↗
14 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
15 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
16 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
17 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
18 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
19 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
20 Morgan Stanley 571.68K $5.01M 0.0% n/c 1 SEC ↗
21 Marshall Wace 439.64K -32.2% $3.85M 0.0% ▼ Trim 4 SEC ↗
22 Marshall Wace 439.64K -32.2% $3.85M 0.0% ▼ Trim 4 SEC ↗
23 Renaissance Technologies 209.30K +20.2% $1.83M 0.0% ▲ Add 6 SEC ↗
24 AQR Capital Management 105.18K +10.7% $921,368 0.0% ▲ Add 3 SEC ↗
25 AQR Capital Management 105.18K +10.7% $921,368 0.0% ▲ Add 3 SEC ↗
26 AQR Capital Management 105.18K +10.7% $921,368 0.0% ▲ Add 3 SEC ↗
27 AQR Capital Management 105.18K +10.7% $921,368 0.0% ▲ Add 3 SEC ↗
28 Goldman Sachs Group 79.69K $698,084 0.0% n/c 1 SEC ↗
29 Goldman Sachs Group 79.69K $698,084 0.0% n/c 1 SEC ↗
30 Two Sigma Investments 72.33K +1.9% $633,585 0.0% ▲ Add 4 SEC ↗
31 Millennium Management 31.06K -62.4% $272,112 0.0% ▼ Trim 2 SEC ↗
32 D. E. Shaw & Co. 25.60K -86.2% $224,282 0.0% ▼ Trim 6 SEC ↗
33 JPMorgan Chase 22.48K $196,890 0.0% n/c 1 SEC ↗
34 JPMorgan Chase 22.48K $196,890 0.0% n/c 1 SEC ↗
35 JPMorgan Chase 22.48K $196,890 0.0% n/c 1 SEC ↗
36 JPMorgan Chase 22.48K $196,890 0.0% n/c 1 SEC ↗
37 T. Rowe Price 13.83K +11.4% $122,000 0.0% ▲ Add 3 SEC ↗
38 Fidelity (FMR) 10.79K +0.1% $94,548 0.0% ▲ Add 2 SEC ↗
39 Fidelity (FMR) 10.79K +0.1% $94,548 0.0% ▲ Add 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

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 111 holders, 27.94M shares, $169.30M 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.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 21 AWM Investment Company, Inc.

10% owner · 41.58K sh · $441,159

Aug 20 AWM Investment Company, Inc.

10% owner · 8.42K sh · $88,638

Aug 17 Knopp Kevin J.

Officer, Director · 20.00K sh · $207,000

Aug 13 Knopp Kevin J.

Officer, Director · 7.62K sh · $76,677

Aug 12 Knopp Kevin J.

Officer, Director · 2.75K sh · $27,662

Aug 11 Brown Christopher D.

Director · 8.36K sh · $77,144

Aug 11 Knopp Kevin J.

Officer, Director · 115.75K sh · $1.14M

Aug 11 Knopp Kevin J.

Officer, Director · 30.17K sh · $306,527

Aug 10 Brown Christopher D.

Director · 9.44K sh · $85,261

Aug 10 Knopp Kevin J.

Officer, Director · 348 sh · $3,153

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — AWM Investment Company, Inc.

View original SEC filing ↗

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

View original SEC filing ↗

Aug 14 SC 13G/A — ARCH Venture Fund VII, L.P.

View original SEC filing ↗

Jul 27 SC 13G — BlackRock, Inc.

View original SEC filing ↗

Jun 05 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 2025 · Methodology · Get this via the API