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Security record · archived quarter

ATRA

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
23Tracked holders
+1Δ holders
2.31MShares held
$26.52MReported value
+2New positions
−1Exits
Strongly Rising 5 quarters of rising tracked shares ●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +4.5% · share flow +30.0% · net new positions +4.3%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 23 +1 2.31M $26.52M +2 −1
Q1 2026 22 -5 1.77M $8.38M +3 −8
Q4 2025 27 +2 761.24K $13.76M +2
Q3 2025 9 -1 547.31K $7.84M −1
Q2 2025 8 +2 446.45K $3.45M +2
Q1 2025 3 -3 101.37K $602,201 −3
Q4 2024 6 +1 449.58K $5.98M +1
Q3 2024 4 -1 550.99K $4.48M −1
Q2 2024 5 480.97K $4.09M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Adage Capital Partners 850.00K +21.4% $9.76M 0.0% ▲ Add 2 SEC ↗
2 Point72 Asset Management 687.72K +254.0% $7.90M 0.0% ▲ Add 3 SEC ↗
3 Vanguard Capital Management Llc 247.05K +13.4% $2.84M 0.0% ▲ Add 2 SEC ↗
4 Mackenzie Financial Corp 233.25K -25.6% $2.68M 0.0% ▼ Trim 3 SEC ↗
5 BlackRock (passive) 84.45K +6.9% $969,544 0.0% ▲ Add 5 SEC ↗
6 BlackRock (passive) 84.45K +6.9% $969,544 0.0% ▲ Add 5 SEC ↗
7 BlackRock (passive) 84.45K +6.9% $969,544 0.0% ▲ Add 5 SEC ↗
8 BlackRock (passive) 84.45K +6.9% $969,544 0.0% ▲ Add 5 SEC ↗
9 Geode Capital Management (passive) 75.13K +13.6% $862,924 0.0% ▲ Add 9 SEC ↗
10 Geode Capital Management (passive) 75.13K +13.6% $862,924 0.0% ▲ Add 9 SEC ↗
11 Jane Street Group, Llc 30.34K -10.4% $348,360 0.0% ▼ Trim 3 SEC ↗
12 Jane Street Group, Llc 30.34K -10.4% $348,360 0.0% ▼ Trim 3 SEC ↗
13 State Street Global Advisors (passive) 26.45K 0.0% $303,680 0.0% Held 7 SEC ↗
14 Northern Trust Corp 16.59K +34.5% $190,465 0.0% ▲ Add 3 SEC ↗
15 Northern Trust Corp 16.59K +34.5% $190,465 0.0% ▲ Add 3 SEC ↗
16 Fidelity (FMR) 16.24K 0.0% $186,412 0.0% Held 5 SEC ↗
17 Millennium Management 12.68K -73.4% $145,566 0.0% ▼ Trim 2 SEC ↗
18 Citadel Advisors 10.16K New $116,625 0.0% New 1 SEC ↗
19 Citadel Advisors 10.16K New $116,625 0.0% New 1 SEC ↗
20 Morgan Stanley 9.18K +0.1% $105,368 0.0% ▲ Add 4 SEC ↗
21 Morgan Stanley 9.18K +0.1% $105,368 0.0% ▲ Add 4 SEC ↗
22 Morgan Stanley 9.18K +0.1% $105,368 0.0% ▲ Add 4 SEC ↗
23 Morgan Stanley 9.18K +0.1% $105,368 0.0% ▲ Add 4 SEC ↗
24 Morgan Stanley 9.18K +0.1% $105,368 0.0% ▲ Add 4 SEC ↗
25 Royal Bank Of Canada 4.74K +9.8% $55,000 0.0% ▲ Add 3 SEC ↗
26 Royal Bank Of Canada 4.74K +9.8% $55,000 0.0% ▲ Add 3 SEC ↗
27 UBS Group AG 3.98K -92.0% $45,679 0.0% ▼ Trim 3 SEC ↗
28 UBS Group AG 3.98K -92.0% $45,679 0.0% ▼ Trim 3 SEC ↗
29 Jones Financial Companies Lllp 803 +14.2% $8,440 0.0% ▲ Add 3 SEC ↗
30 Barclays Plc 304 New $3,490 0.0% New 1 SEC ↗
31 Wells Fargo & Company/Mn 251 0.0% $2,881 0.0% Held 3 SEC ↗
32 JPMorgan Chase 216 0.0% $2,413 0.0% Held 4 SEC ↗
33 JPMorgan Chase 216 0.0% $2,413 0.0% Held 4 SEC ↗
34 Citigroup Inc 97 +9600.0% $1,114 0.0% ▲ Add 2 SEC ↗
35 Bnp Paribas Financial Markets 46 -20.7% $528 0.0% ▼ Trim 3 SEC ↗
36 Osaic Holdings, Inc. 10 0.0% $114 0.0% Held 3 SEC ↗
37 Rockefeller Capital Management L.P. 8 0.0% $92 0.0% Held 3 SEC ↗

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

New buyers

Citadel Advisors $116,625 0.0%
Citadel Advisors $116,625 0.0%
Barclays Plc $3,490 0.0%

Exited

Rhumbline Advisers $827 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 32 holders, 2.56M shares, $11.51M 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.

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: Q2 2026 · Methodology · Get this via the API