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Security record · archived quarter

MGY

Magnolia Oil & Gas Corporation · Energy · Oil & Gas Exploration & Production

26.44 -2.9% mkt cap $6.27B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
12Tracked holders
-1Δ holders
21.50MShares held
$502.68MReported value
+0New positions
−1Exits
Falling Conviction score 33/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -7.7% · share flow -5.6% · net new positions -8.3%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 116 0 141.39M $3.64B +5 −5
Q1 2026 119 +2 147.05M $4.60B +7 −5
Q4 2025 116 +1 153.25M $3.36B +1
Q3 2025 18 0 77.48M $1.85B +1 −1
Q2 2025 15 -1 71.49M $1.61B +1 −2
Q1 2025 13 +1 23.65M $597.34M +1
Q4 2024 12 -1 21.50M $502.68M −1
Q3 2024 12 0 12.74M $311.06M +1 −1
Q2 2024 12 14.44M $365.87M
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 10.03M $234.54M 0.0% n/c 1 SEC ↗
2 Wellington Management 5.02M +0.5% $117.38M 0.0% ▲ Add 3 SEC ↗
3 Wellington Management 5.02M +0.5% $117.38M 0.0% ▲ Add 3 SEC ↗
4 Wellington Management 5.02M +0.5% $117.38M 0.0% ▲ Add 3 SEC ↗
5 Geode Capital Management (passive) 4.14M +0.7% $96.73M 0.0% ▲ Add 3 SEC ↗
6 Geode Capital Management (passive) 4.14M +0.7% $96.73M 0.0% ▲ Add 3 SEC ↗
7 Renaissance Technologies 541.40K +910.5% $12.66M 0.0% ▲ Add 3 SEC ↗
8 T. Rowe Price 449.54K -15.8% $10.51M 0.0% ▼ Trim 3 SEC ↗
9 T. Rowe Price 449.54K -15.8% $10.51M 0.0% ▼ Trim 3 SEC ↗
10 Two Sigma Investments 428.49K -60.3% $10.02M 0.0% ▼ Trim 3 SEC ↗
11 Citadel Advisors 390.57K -39.8% $9.13M 0.0% ▼ Trim 3 SEC ↗
12 D. E. Shaw & Co. 255.75K -16.5% $5.98M 0.0% ▼ Trim 3 SEC ↗
13 Millennium Management 168.72K -16.8% $3.94M 0.0% ▼ Trim 3 SEC ↗
14 AQR Capital Management 31.71K +32.9% $741,495 0.0% ▲ Add 3 SEC ↗
15 AQR Capital Management 31.71K +32.9% $741,495 0.0% ▲ Add 3 SEC ↗
16 AQR Capital Management 31.71K +32.9% $741,495 0.0% ▲ Add 3 SEC ↗
17 Gotham Asset Management 26.26K 0.0% $614,029 0.0% ▲ Add 3 SEC ↗
18 Bridgewater Associates 18.39K -10.6% $429,982 0.0% ▼ Trim 3 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

Soros Fund Management $18.12M was 0.5%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 399 holders, 202.48M shares, $5.98B 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)

Aug 07 Khani David M.

Director · 8.00K sh @ 25.00 · $200,000

Aug 07 Ropp Ralph Lewis

Director · 5.00K sh @ 24.62 · $123,125

Open-market sales (S)

No open-market insider sales in our coverage window.

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

Beneficial ownership
Jul 31 SC 13G/A — VANGUARD PORTFOLIO 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: Q4 2024 · Methodology · Get this via the API