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Security record · archived quarter

MSTZ

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
9Tracked holders
+3Δ holders
502.48KShares held
$7.80MReported value
+5New positions
−2Exits
Strongly Rising How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +30.0% · share flow +30.0% · net new positions +20.0%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 9 +3 502.48K $7.80M +5 −2
Q1 2026 6 -1 202.65K $2.53M +2 −3
Q4 2025 7 0 369.57K $6.34M
Q3 2025 1 0 298.74K $1.57M
Q2 2025 1 -1 187.52K $783,842 −1
Q1 2025 2 +1 538.99K $7.56M +1
Q4 2024 1 +1 119.67K $3.36M +1
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Hrt Financial Lp 190.01K New $2.95M 0.0% New 1 SEC ↗
2 Susquehanna International Group, Llp 78.75K -42.5% $1.22M 0.0% ▼ Trim 3 SEC ↗
3 Susquehanna International Group, Llp 78.75K -42.5% $1.22M 0.0% ▼ Trim 3 SEC ↗
4 Jane Street Group, Llc 76.33K +290.8% $1.19M 0.0% ▲ Add 3 SEC ↗
5 IMC-Chicago, LLC 57.32K +123.7% $890,133 0.0% ▲ Add 3 SEC ↗
6 Group One Trading Llc 52.43K New $814,176 0.0% New 1 SEC ↗
7 Optiver Holding B.V. 25.82K +54.1% $400,969 0.0% ▲ Add 3 SEC ↗
8 Optiver Holding B.V. 25.82K +54.1% $400,969 0.0% ▲ Add 3 SEC ↗
9 UBS Group AG 8.77K New $136,183 0.0% New 1 SEC ↗
10 Citigroup Inc 8.47K New $131,617 0.0% New 1 SEC ↗
11 Royal Bank Of Canada 4.57K New $71,000 0.0% New 1 SEC ↗

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

New buyers

Hrt Financial Lp $2.95M 0.0%
Group One Trading Llc $814,176 0.0%
UBS Group AG $136,183 0.0%
Citigroup Inc $131,617 0.0%
Royal Bank Of Canada $71,000 0.0%

Exited

Simplex Trading, Llc $37,577 was 0.0%
Belvedere Trading LLC $7,975 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 16 holders, 580.31K shares, $7.08M 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