SPHERE ENTERTAINMENT CO (SPHR) Institutional Ownership Changes & 13F Activity
SPHERE ENTERTAINMENT CO (SPHR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ameriprise Financial Inc, Ariel Appreciation Fund, Two Sigma Investments, Lp, Castle Hook Partners Lp, and Assenagon Asset Management S.A..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Envestnet Asset Management Inc | Sell | -1,429 | -5.4% | 24,926 | $4.31M | Q2 2026 | Sep 23, 2026 |
| State Street Corp | Buy | +58,315 | +5.7% | 1,081,969 | $187.21M | Q2 2026 | Sep 22, 2026 |
| Integrated Wealth Concepts Llc | Buy | +1,476 | — | 1,476 | $255.39K | Q2 2026 | Sep 09, 2026 |
| Manufacturers Life Insurance Company, The | Buy | +1,216 | +10.4% | 12,945 | $2.24M | Q2 2026 | Sep 09, 2026 |
| Cornerstone Financial Management Llc | Sell | -4 | -100.0% | 0 | $0.00 | Q2 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Buy | +198 | +1.3% | 15,930 | $2.76M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -568 | -1.9% | 29,687 | $5.14M | Q2 2026 | Aug 24, 2026 |
| Assenagon Asset Management S.A. | Buy | +406,875 | — | 406,875 | $70.40M | Q2 2026 | Aug 21, 2026 |
| Mercer Global Advisors Inc | Buy | +2,757 | — | 2,757 | $477.04K | Q2 2026 | Aug 19, 2026 |
| Fulcrum Asset Management Llp | Buy | +48 | — | 48 | $8.27K | Q2 2026 | Aug 18, 2026 |
| Empowered Funds, Llc | Sell | -37,000 | -24.5% | 114,158 | $19.75M | Q2 2026 | Aug 17, 2026 |
| Jefferies Financial Group Inc. | Sell | -6,200 | -78.0% | 1,750 | $302.80K | Q2 2026 | Aug 17, 2026 |
| Capstone Investment Advisors, Llc | Buy | +284 | +13.7% | 2,353 | $407.14K | Q2 2026 | Aug 17, 2026 |
| Equitable Holdings, Inc. | Sell | -200 | -1.9% | 10,281 | $1.78M | Q2 2026 | Aug 17, 2026 |
| Ameriprise Financial Inc | Buy | +904,008 | — | 904,008 | $156.42M | Q2 2026 | Aug 14, 2026 |
| Ariel Appreciation Fund | Sell | -796,983 | -32.4% | 1,665,326 | $288.15M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -602,030 | -85.3% | 103,456 | $17.90M | Q2 2026 | Aug 14, 2026 |
| Castle Hook Partners Lp | Buy | +522,039 | — | 522,039 | $90.33M | Q2 2026 | Aug 14, 2026 |
| Contour Asset Management Llc | Buy | +354,482 | — | 354,482 | $61.34M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +324,441 | — | 324,441 | $56.14M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -162,032 | -62.4% | 97,504 | $16.87M | Q2 2026 | Aug 14, 2026 |
| Steadfast Capital Management Lp | Sell | -161,000 | -22.6% | 550,661 | $95.28M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +148,708 | +358.1% | 190,239 | $32.92M | Q2 2026 | Aug 14, 2026 |
| Nearwater Capital Markets, Ltd | Sell | -145,800 | -38.9% | 229,200 | $39.66M | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Sell | -122,520 | -89.8% | 13,980 | $2.42M | Q2 2026 | Aug 14, 2026 |
| Carronade Capital Management, Lp | Buy | +111,631 | +244.3% | 157,326 | $27.22M | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Buy | +106,655 | +1021.1% | 117,100 | $20.29M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -96,375 | -28.4% | 243,263 | $42.09M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -93,868 | -70.4% | 39,480 | $6.83M | Q2 2026 | Aug 14, 2026 |
| Bridgeway Capital Management, Llc | Sell | -68,506 | -26.8% | 186,713 | $32.31M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about SPHR activity
Which institutional owners are buying SPHR?
Institutional owners buying SPHR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SPHR activity?
"Buy" means an investor increased their reported position in SPHR compared to the prior reporting period. This reflects growing exposure to SPHERE ENTERTAINMENT CO (SPHR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SPHR increasing?
Institutional interest in SPHR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related SPHR Institutional Insights
- SPHR Overview
- SPHR 13F Institutional Holders
- SPHR Superinvestors
- Communication Services Sector Institutional Ownership
- Communication Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Communication Services Stocks By Institutional Investors
- Most Sold Communication Services Stocks By Institutional Investors
- SPHR Insider Trading & SEC Form 4 Activity
- SPHR Articles
- Top Institutional Investor Stock Rankings