Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in STRZ held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | MHR FUND MANAGEMENT LLC | 2.9M | $32.9M | 0.0% | 17.054% | 2.41% |
| 2 | BANK OF MONTREAL /CAN/ | 1.8M | $20.7M | — | 10.745% | 0.01% |
| 3 | BlackRock, Inc. | 1.2M | $13.5M | -0.8% | 6.988% | 0.00% |
| 4 | CastleKnight Management LP | 791K | $9.1M | +104.0% | 4.709% | 0.78% |
| 5 | NewEdge Wealth, LLC | 620K | $7.1M | -12.8% | 3.691% | 0.09% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 568K | $6.5M | — | 3.385% | 0.00% |
| 7 | SHAPIRO CAPITAL MANAGEMENT LLC | 556K | $6.4M | -11.9% | 3.309% | 0.40% |
| 8 | ROYCE & ASSOCIATES LP | 512K | $5.9M | +16.3% | 3.052% | 0.06% |
| 9 | Ancora Advisors, LLC | 498K | $5.7M | +28.4% | 2.964% | 0.12% |
| 10 | Russell Investments Group, Ltd. | 411K | $4.7M | +94.8% | 2.445% | 0.01% |
| 11 | Neuberger Berman Group LLC | 373K | $4.3M | -0.9% | 2.221% | 0.00% |
| 12 | Bank of New York Mellon Corp | 322K | $3.7M | -3.5% | 1.915% | 0.00% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 314K | $3.6M | +4.9% | 1.868% | 0.00% |
| 14 | Jefferies Financial Group Inc. | 278K | $3.2M | 0.0% | 1.657% | 0.02% |
| 15 | STATE STREET CORP | 272K | $3.1M | -2.1% | 1.621% | 0.00% |
| 16 | J. Goldman & Co LP | 222K | $2.6M | -13.3% | 1.321% | 0.08% |
| 17 | GOLDMAN SACHS GROUP INC | 182K | $2.1M | +38.9% | 1.086% | 0.00% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 164K | $1.9M | -0.0% | 0.977% | 0.00% |
| 19 | Coastal Bridge Advisors, LLC | 141K | $1.6M | +3.2% | 0.837% | 0.11% |
| 20 | Huber Capital Management LLC | 140K | $1.6M | -4.7% | 0.834% | 0.25% |
| 21 | MILLENNIUM MANAGEMENT LLC | 139K | $1.6M | +147.1% | 0.827% | 0.00% |
| 22 | Diametric Capital, LP | 139K | $1.6M | +546.4% | 0.826% | 0.42% |
| 23 | JANE STREET GROUP, LLC | 131K | $1.5M | +162.9% | 0.781% | 0.01% |
| 24 | PEAK6 LLC | 110K | $1.3M | +594.5% | 0.657% | 0.61% |
| 25 | CITADEL ADVISORS LLC | 107K | $1.2M | +256.0% | 0.638% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in STRZ — a direct measure of their conviction.
Filings activity in STRZ during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new STRZ position in Q1 2026
Institutions that fully closed their STRZ position in Q1 2026
4 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 140 | +6.9% | 35.94% | 0.98 pp | $169M | 2.7% |
| Q4 2025 | 131 | +4.0% | 36.92% | 8.69 pp | $174M | 19% |
| Q3 2025 | 126 | +2.4% | 45.61% | 3.48 pp | $215M | 7.1% |
| Q2 2025 | 123 | — | 49.09% | — | $231M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying STRZ stock.
Based on Q1 2026 13F filings, institutional ownership of Starz Entertainment Corp. stands at 35.9%, held across 140 reporting institutions.
MHR FUND MANAGEMENT LLC is the largest reported institutional holder of STRZ, with approximately 2,863,232 shares worth $0.03B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of STRZ, including MILLENNIUM MANAGEMENT LLC, JANE STREET GROUP, LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for STRZ is 58 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
32 institutions opened new positions in STRZ during Q1 2026, while 23 fully exited. 35 added to existing positions and 67 trimmed.
STRZ institutional ownership fell by 0.98 percentage points quarter-over-quarter, with a net change of +9 holders.
The top 10 institutions account for 66.5% of all reported 13F value in STRZ, and the top 25 account for 87.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Starz Entertainment Corp. (STRZ) Institutional Ownership