COOK (COOK) Institutional Ownership Changes & 13F Activity
COOK. Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ontario Teachers Pension Plan Board, Artisan Partners Limited Partnership, First Sabrepoint Capital Management Lp, Bridgeway Capital Management, Llc, and Northern Trust Corp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Ifp Advisors, Inc | Buy | +4 | +7.0% | 61 | $36.00 | Q1 2026 | Apr 13, 2026 |
| Sunbelt Securities, Inc. | Sell | -13 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 20, 2026 |
| Artisan Partners Limited Partnership | Sell | -2,000,000 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Bridgeway Capital Management, Llc | Sell | -726,041 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Northern Trust Corp | Sell | -259,929 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Susquehanna International Group, Llp | Sell | -113,781 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Blair William & Co/Il | Sell | -92,680 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Two Sigma Investments, Lp | Sell | -65,636 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Alliancebernstein L.P. | Sell | -50,640 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Aqr Capital Management Llc | Sell | -36,975 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Ameriprise Financial Inc | Sell | -29,196 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Bank Of America Corp | Sell | -28,431 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Two Sigma Advisers, Lp | Sell | -26,100 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Fmr Llc | Sell | -19,555 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Price T Rowe Associates Inc | Sell | -19,021 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Sell | -14,946 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Public Employees Retirement System Of Ohio | Sell | -14,669 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Abel Hall, Llc | Sell | -14,635 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Engineers Gate Manager Lp | Sell | -12,408 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -9,852 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Royal Bank Of Canada | Sell | -4,966 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Osaic Holdings, Inc. | Sell | -3,360 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Russell Investments Group, Ltd. | Sell | -2,623 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| California State Teachers Retirement System | Sell | -2,018 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Rockefeller Capital Management L.P. | Sell | -1,850 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Optiver Holding B.V. | Sell | -578 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Jones Financial Companies Lllp | Sell | -550 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Islay Capital Management, Llc | Sell | -5 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Ontario Teachers Pension Plan Board | Sell | -24,693,075 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 13, 2026 |
| First Sabrepoint Capital Management Lp | Sell | -1,219,575 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 13, 2026 |
Frequently asked questions about COOK activity
Which institutional owners are buying COOK?
Institutional owners buying COOK 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 COOK activity?
"Buy" means an investor increased their reported position in COOK compared to the prior reporting period. This reflects growing exposure to COOK rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in COOK increasing?
Institutional interest in COOK 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.