Granite 2X Long MRVL ETFMVLLETF

13F holders, Q1 2026 (March 31)
9holders +2
5new positions
3sold out
1famous investor
$25.91avg. 13F price*

At the end of Q1 2026, 9 institutions reported holding Granite 2X Long MRVL ETF (MVLL) in their 13F filings, up 2 from Q4 2025. 5 opened new positions and 3 sold out. The largest holders were Optiver Holding B.V. ($558K), Citadel Advisors ($498K) and DRW Securities, LLC ($294K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Granite 2X Long MRVL ETF
CUSIP
38747R520
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2025: 2Q1 2025Q2 2025: 6Q2 2025Q3 2025: 10Q3 2025Q4 2025: 7Q4 2025Q1 2026: 9Q1 2026Q2 2026: 21Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions5$1.1M
Exits3$43K

All 13F filers, Q4 2025 → Q1 2026: 44,473 shares bought and 16,302 shares sold, net +28,171 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 9 holders

Optiver Holding B.V. 0.02% Reduce -33.9% 21,536 $558K
Citadel Advisors 0.00% New 19,231 $498K
DRW Securities, LLC 0.02% New 11,342 $294K
Susquehanna International Group, LLP 0.00% New 8,560 $222K
SBI Securities Co., Ltd. 0.00% Add +1938.9% 2,671 $69K
Morgan Stanley 0.00% New 2,500 $65K
Simplex Trading, LLC 0.00% Reduce -69.3% 1,427 $37K
Group One Trading LLC 0.00% Reduce -7.1% 716 $19K
CoreCap Advisors, LLC 0.00% New 300 $8K

"% of holder's portfolio" is MVLL's weight in each manager's 13F, not the share of Granite 2X Long MRVL ETF the manager owns.