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Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.
Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.
About 94.02% of COR shares are held by financial institutions. TWIN LAKES CAPITAL MANAGEMENT, LLC is the top corporate investor, holding 100 shares valued at $22.53K. A 0% stake in Cencora, Inc. is owned by the company. KLCM ADVISORS, INC. owns 1.35K shares valued at $304.16K, which translates its holding of 0% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Jun 30, 2024 | TWIN LAKES CAPITAL MANAGEMENT, LLC | 0% | 100 | 22.53K | 0 | 0 |
| Jun 30, 2024 | KLCM ADVISORS, INC. | 0% | 1.35K | 304.16K | 0 | 0 |
| Jun 30, 2024 | HUNTINGTON NATIONAL BANK | 0% | 2 | 339 | 0 | 0 |
| Mar 31, 2024 | HUNTINGTON NATIONAL BANK | 0% | 2 | 339 | 0 | 0 |
| Mar 31, 2024 | TWIN LAKES CAPITAL MANAGEMENT, LLC | 0% | 100 | 24.3K | 0 | 0 |
| Mar 31, 2024 | KLCM ADVISORS, INC. | 0% | 1.35K | 328.04K | 1.35K | +100.00% |
| Dec 31, 2023 | TWIN LAKES CAPITAL MANAGEMENT, LLC | 0% | 100 | 20.54K | 0 | 0 |
| Dec 31, 2023 | HUNTINGTON NATIONAL BANK | 0% | 2 | 339 | 0 | 0 |
| Dec 31, 2023 | CIBC WORLD MARKETS CORP | 0% | 0 | - | -9.2K | -100.00% |
| Dec 31, 2023 | BEACON FINANCIAL GROUP | 0% | 0 | - | -12.57K | -100.00% |
| Dec 31, 2023 | ORION PORTFOLIO SOLUTIONS, LLC | 0% | 0 | - | -17.24K | -100.00% |
| Sep 30, 2023 | HUNTINGTON NATIONAL BANK | 0% | 2 | 339 | 0 | 0 |
| Sep 30, 2023 | TWIN LAKES CAPITAL MANAGEMENT, LLC | 0% | 100 | 18K | 100 | +100.00% |
| Sep 30, 2023 | CIBC WORLD MARKETS CORP | 0% | 9.2K | 1.66M | 9.2K | +100.00% |
| Sep 30, 2023 | BEACON FINANCIAL GROUP | 0.01% | 12.57K | 2.21M | 12.57K | +100.00% |
| Sep 30, 2023 | ORION PORTFOLIO SOLUTIONS, LLC | 0.01% | 17.24K | 3.1M | 17.24K | +100.00% |
Among the COR insiders holding of 4.2% of the stake in company, WALGREENS BOOTS ALLIANCE, INC., 10 percent owner, holds the largest shares of 12.57M. COLLIS STEVEN H, Executive Chairman, is the second largest COR insider with ownership of 305.91K shares. SZUREK PAUL E., President & CEO, stands third with possession of 242.35K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| WALGREENS BOOTS ALLIANCE, INC. | 10 percent owner | 12.57M |
| COLLIS STEVEN H | Executive Chairman | 305.91K |
| SZUREK PAUL E. | President & CEO | 242.35K |
| COLEMAN JAMES H | Sr. VP, Business Development | 200.4K |
| MAUCH ROBERT P. | President & CEO | 66.73K |
| TOLLEFSON GARY D | director | 28K |
| WARREN BRIAN | SVP, Engineering & Product | 25.12K |
| TOBIN DOMINIC M. | SVP, Operations | 23.89K |
| CAMPBELL ELIZABETH S | Executive Vice President | 23.89K |
| DURCAN DERMOT MARK | director | 21.88K |
| BATTAGLIA SILVANA | Executive Vice President | 18.8K |
| GREENBERG LON R | director | 17.85K |
| KRIKORIAN LAZARUS | SVP & Chief Accounting Officer | 17.15K |
| HATZENBUEHLER ANTHONY | SVP, Field Operations | 13.64K |
| CLARK GINA | Executive Vice President | 13.28K |
| THOMPSON JOHN DAVID | director | 8.63K |
| CARLYLE GROUP MANAGEMENT L.L.C. | 10 percent owner | 0 |
| CARLYLE REALTY III, GP, L.L.C. | 10 percent owner | 0 |
| CRP IV AIV GP, L.L.C. | 10 percent owner | 0 |
| CARLYLE REALTY V GP, L.L.C. | 10 percent owner | 0 |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Jan 20, 2026 | MAUCH ROBERT P. | SALE | 354.73 | 5.1K | 1.81M | 66.73K |
| Dec 19, 2025 | BATTAGLIA SILVANA | SALE | 345.00 | 1.68K | 578.57K | 18.8K |
| Dec 19, 2025 | CAMPBELL ELIZABETH S | SALE | 342.10 | 3.35K | 1.15M | 23.89K |
| Dec 18, 2025 | MAUCH ROBERT P. | SALE | 343.45 | 5.1K | 1.75M | 68.06K |
| Dec 17, 2025 | KRIKORIAN LAZARUS | SALE | 343.24 | 4.03K | 1.38M | 17.15K |
| Nov 18, 2025 | MAUCH ROBERT P. | SALE | 366.64 | 5.1K | 1.87M | 65.75K |
| Oct 20, 2025 | MAUCH ROBERT P. | SALE | 326.80 | 5.1K | 1.67M | 37.94K |
| Oct 01, 2025 | CAMPBELL ELIZABETH S | SALE | 313.28 | 1.89K | 590.85K | 12.82K |
| Sep 18, 2025 | MAUCH ROBERT P. | SALE | 290.00 | 5.1K | 1.48M | 39.27K |
| Sep 16, 2025 | COLLIS STEVEN H | SALE | 289.86 | 31.35K | 9.09M | 305.91K |
| Aug 19, 2025 | COLLIS STEVEN H | SALE | 289.98 | 14.58K | 4.23M | 307.91K |
| Aug 18, 2025 | MAUCH ROBERT P. | SALE | 293.53 | 4.97K | 1.46M | 40.61K |
| Jul 22, 2025 | COLLIS STEVEN H | SALE | 292.67 | 14.58K | 4.27M | 309.91K |
| Jul 18, 2025 | MAUCH ROBERT P. | SALE | 294.11 | 4.97K | 1.46M | 42.35K |
| Jun 24, 2025 | COLLIS STEVEN H | SALE | 292.62 | 14.58K | 4.27M | 311.91K |
| Jun 18, 2025 | MAUCH ROBERT P. | SALE | 295.30 | 4.97K | 1.47M | 44.09K |
| Jun 18, 2025 | BATTAGLIA SILVANA | SALE | 297.40 | 4.08K | 1.21M | 11.3K |
| May 29, 2025 | KRIKORIAN LAZARUS | SALE | 289.06 | 8 | 2.31K | 17.15K |
| May 20, 2025 | COLLIS STEVEN H | SALE | 293.84 | 14.58K | 4.28M | 313.91K |
| May 19, 2025 | MAUCH ROBERT P. | SALE | 291.43 | 4.97K | 1.45M | 45.84K |
| May 14, 2025 | GREENBERG LON R | SALE | 279.05 | 3K | 837.15K | 17.85K |
| Apr 22, 2025 | COLLIS STEVEN H | SALE | 281.81 | 14.58K | 4.11M | 315.91K |
| Apr 21, 2025 | MAUCH ROBERT P. | SALE | 289.33 | 4.97K | 1.44M | 47.58K |
| Mar 25, 2025 | COLLIS STEVEN H | SALE | 269.51 | 2K | 539.02K | 317.91K |
| Mar 24, 2025 | CAMPBELL ELIZABETH S | SALE | 268.28 | 2K | 536.56K | 14.67K |
| Mar 18, 2025 | MAUCH ROBERT P. | SALE | 260.93 | 1.74K | 455.06K | 49.33K |
| Mar 10, 2025 | KRIKORIAN LAZARUS | SALE | 260.06 | 2K | 520.12K | 20.15K |
| Mar 03, 2025 | MAUCH ROBERT P. | SALE | 255.00 | 3.23K | 822.63K | 51.07K |
| Feb 27, 2025 | COLLIS STEVEN H | SALE | 251.08 | 12.58K | 3.16M | 319.91K |
| Feb 21, 2025 | BATTAGLIA SILVANA | SALE | 242.24 | 5K | 1.21M | 15.37K |
| Feb 06, 2025 | WALGREENS BOOTS ALLIANCE, INC. | SALE | 244.51 | 204.49K | 50M | 12.57M |
| Dec 20, 2024 | BATTAGLIA SILVANA | SALE | 228.72 | 1.68K | 383.79K | 20.33K |
| Dec 03, 2024 | KRIKORIAN LAZARUS | SALE | 250.41 | 1.82K | 454.75K | 21.99K |
| Nov 25, 2024 | COLLIS STEVEN H | SALE | 243.97 | 50K | 12.2M | 326.56K |
| Nov 19, 2024 | COLLIS STEVEN H | SALE | 242.16 | 21.51K | 5.21M | 306.75K |
| Oct 22, 2024 | COLLIS STEVEN H | SALE | 235.80 | 21.51K | 5.07M | 285.09K |
| Sep 17, 2024 | COLLIS STEVEN H | SALE | 241.01 | 21.51K | 5.18M | 285.09K |
| Aug 20, 2024 | COLLIS STEVEN H | SALE | 239.13 | 10.75K | 2.57M | 285.09K |
| Aug 06, 2024 | BATTAGLIA SILVANA | SALE | 242.69 | 1.47K | 357.48K | 10.95K |
| Aug 01, 2024 | WALGREENS BOOTS ALLIANCE, INC. | SALE | 240.56 | 4.44M | 1.07B | 19.98M |
| Jul 16, 2024 | COLLIS STEVEN H | SALE | 222.12 | 10.76K | 2.39M | 285.09K |
| Jun 18, 2024 | COLLIS STEVEN H | SALE | 235.76 | 10.75K | 2.54M | 285.09K |
| May 31, 2024 | CLARK GINA | SALE | 223.86 | 1.87K | 419.51K | 13.28K |
| May 29, 2024 | CLARK GINA | SALE | 216.07 | 27.09K | 5.85M | 15.16K |
| May 24, 2024 | DURCAN DERMOT MARK | PURCHASE | 218.58 | 500 | 109.29K | 21.88K |
| May 22, 2024 | WALGREENS BOOTS ALLIANCE, INC. | SALE | 215.12 | 1.86M | 400M | 24.42M |
| May 21, 2024 | COLLIS STEVEN H | SALE | 221.30 | 10.76K | 2.38M | 285.09K |
| Apr 16, 2024 | COLLIS STEVEN H | SALE | 237.48 | 10.75K | 2.55M | 285.09K |
| Apr 15, 2024 | MAUCH ROBERT P. | SALE | 235.09 | 57.56K | 13.53M | 24.41K |
| Mar 19, 2024 | COLLIS STEVEN H | SALE | 240.21 | 10.76K | 2.58M | 285.09K |
| Mar 18, 2024 | CAMPBELL ELIZABETH S | SALE | 238.12 | 6.98K | 1.66M | 8.25K |
| Mar 18, 2024 | CLARK GINA | SALE | 238.12 | 9.64K | 2.3M | 15.16K |
| Feb 13, 2024 | CLARK GINA | SALE | 230.48 | 1.1K | 253.53K | 24.8K |
| Feb 07, 2024 | WALGREENS BOOTS ALLIANCE, INC. | SALE | 235.41 | 4.21M | 991.64M | 26.28M |
| Nov 05, 2021 | WARREN BRIAN | SALE | 153.62 | 850 | 130.58K | 25.12K |
| Aug 05, 2021 | WARREN BRIAN | SALE | 139.95 | 850 | 118.96K | 25.97K |
| Jun 10, 2021 | CARLYLE GROUP MANAGEMENT L.L.C. | SALE | 135.20 | 1.2M | 162.24M | 0 |
| Jun 10, 2021 | CARLYLE REALTY V GP, L.L.C. | SALE | 135.20 | 1.2M | 162.24M | 0 |
| May 05, 2021 | WARREN BRIAN | SALE | 119.09 | 850 | 101.23K | 26.82K |
| Mar 17, 2021 | HATZENBUEHLER ANTHONY | SALE | 115.73 | 564 | 65.27K | 13.64K |
| Mar 15, 2021 | WARREN BRIAN | SALE | 117.92 | 956 | 112.73K | 27.67K |
| Mar 15, 2021 | SZUREK PAUL E. | SALE | 117.74 | 7.52K | 885.88K | 242.35K |
| Mar 10, 2021 | HATZENBUEHLER ANTHONY | SALE | 112.83 | 165 | 18.62K | 9.5K |
| Mar 04, 2021 | WARREN BRIAN | SALE | 111.66 | 200 | 22.33K | 21.4K |
| Mar 04, 2021 | SZUREK PAUL E. | SALE | 109.12 | 8.23K | 898.38K | 188.21K |
| Nov 20, 2020 | WARREN BRIAN | SALE | 127.03 | 4.95K | 628.8K | 23.08K |
| Nov 05, 2020 | WARREN BRIAN | SALE | 127.58 | 300 | 38.27K | 23.08K |
| Aug 05, 2020 | CARLYLE REALTY III, GP, L.L.C. | SALE | 128.55 | 230.17K | 29.59M | 0 |
| Aug 05, 2020 | CRP IV AIV GP, L.L.C. | SALE | 128.55 | 230.17K | 29.59M | 0 |
| Aug 05, 2020 | CARLYLE GROUP MANAGEMENT L.L.C. | SALE | 128.55 | 230.17K | 29.59M | 0 |
| Aug 05, 2020 | WARREN BRIAN | SALE | 128.31 | 100 | 12.83K | 24.08K |
| Aug 05, 2020 | CARLYLE REALTY V GP, L.L.C. | SALE | 128.55 | 230.17K | 29.59M | 0 |
| May 28, 2020 | CARLYLE REALTY III, GP, L.L.C. | SALE | 124.56 | 2M | 249.11M | 0 |
| May 28, 2020 | CARLYLE GROUP MANAGEMENT L.L.C. | SALE | 124.56 | 2M | 249.11M | 0 |
| May 28, 2020 | CRP IV AIV GP, L.L.C. | SALE | 124.56 | 2M | 249.11M | 0 |
| May 08, 2020 | THOMPSON JOHN DAVID | SALE | 120.84 | 333 | 40.24K | 8.63K |
| May 07, 2020 | CARLYLE REALTY III, GP, L.L.C. | SALE | 118.46 | 2.62M | 310.37M | 0 |
| May 07, 2020 | CRP IV AIV GP, L.L.C. | SALE | 118.46 | 2.62M | 310.37M | 0 |
| May 07, 2020 | CARLYLE GROUP MANAGEMENT L.L.C. | SALE | 118.46 | 2.62M | 310.37M | 0 |
| May 05, 2020 | WARREN BRIAN | SALE | 120.00 | 1K | 120K | 25.08K |
| Mar 17, 2020 | WARREN BRIAN | SALE | 102.79 | 1K | 102.79K | 26.08K |
| Mar 16, 2020 | WARREN BRIAN | SALE | 102.92 | 300 | 30.88K | 27.08K |
| Mar 16, 2020 | SZUREK PAUL E. | SALE | 96.10 | 3.1K | 297.91K | 207.98K |
| Mar 16, 2020 | HATZENBUEHLER ANTHONY | SALE | 96.00 | 1.24K | 118.75K | 9.67K |
| Mar 09, 2020 | SZUREK PAUL E. | SALE | 103.67 | 2.61K | 270.48K | 160.44K |
| Mar 09, 2020 | HATZENBUEHLER ANTHONY | SALE | 103.60 | 560 | 58.02K | 6.55K |
| Mar 09, 2020 | WARREN BRIAN | SALE | 103.60 | 560 | 58.02K | 20.06K |
| Mar 05, 2020 | WARREN BRIAN | SALE | 111.30 | 200 | 22.26K | 20.62K |
| Mar 05, 2020 | SZUREK PAUL E. | SALE | 111.10 | 7.2K | 799.92K | 163.05K |
| Mar 02, 2020 | HATZENBUEHLER ANTHONY | SALE | 109.52 | 582 | 63.74K | 7.22K |
| Nov 05, 2019 | WARREN BRIAN | SALE | 117.55 | 1.53K | 180.32K | 23.11K |
| Nov 04, 2019 | WARREN BRIAN | SALE | 118.59 | 10.93K | 1.3M | 23.11K |
| Sep 10, 2019 | SZUREK PAUL E. | SALE | 110.26 | 3.59K | 395.83K | 174.71K |
| Aug 07, 2019 | CARLYLE GROUP MANAGEMENT L.L.C. | SALE | 110.74 | 800K | 88.59M | 0 |
| Aug 07, 2019 | CARLYLE REALTY III, GP, L.L.C. | SALE | 110.74 | 800K | 88.59M | 0 |
| Aug 07, 2019 | CRP IV AIV GP, L.L.C. | SALE | 110.74 | 800K | 88.59M | 0 |
| Aug 05, 2019 | WARREN BRIAN | SALE | 109.63 | 372 | 40.78K | 23.11K |
| May 06, 2019 | WARREN BRIAN | SALE | 113.65 | 200 | 22.73K | 25.11K |
| Mar 15, 2019 | TOBIN DOMINIC M. | SALE | 103.80 | 981 | 101.83K | 23.89K |
| Mar 15, 2019 | SZUREK PAUL E. | SALE | 103.80 | 2.6K | 270.19K | 178.3K |
| Mar 08, 2019 | SZUREK PAUL E. | SALE | 101.21 | 2.47K | 249.48K | 124.33K |
| Mar 08, 2019 | TOBIN DOMINIC M. | SALE | 101.21 | 952 | 96.35K | 23.41K |
| Mar 08, 2019 | WARREN BRIAN | SALE | 101.22 | 560 | 56.68K | 18.55K |
| Mar 07, 2019 | WARREN BRIAN | SALE | 100.98 | 1.8K | 181.86K | 21.2K |
| Mar 07, 2019 | TOBIN DOMINIC M. | SALE | 100.94 | 3.6K | 363.59K | 26.27K |
| Mar 07, 2019 | SZUREK PAUL E. | SALE | 100.94 | 8.05K | 812.37K | 141.53K |
| Mar 05, 2019 | WARREN BRIAN | SALE | 101.76 | 2K | 203.52K | 23K |
| Mar 05, 2019 | TOBIN DOMINIC M. | SALE | 101.74 | 483 | 49.14K | 29.87K |
| Mar 04, 2019 | WARREN BRIAN | SALE | 101.95 | 423 | 43.12K | 25K |
| Nov 05, 2018 | WARREN BRIAN | SALE | 96.88 | 180 | 17.44K | 25.62K |
| Sep 10, 2018 | SZUREK PAUL E. | SALE | 114.15 | 3.59K | 409.57K | 147.08K |
| Aug 08, 2018 | WARREN BRIAN | SALE | 115.11 | 10K | 1.15M | 26.62K |
| Aug 06, 2018 | WARREN BRIAN | SALE | 114.27 | 1K | 114.27K | 36.62K |
| Aug 02, 2018 | CARLYLE REALTY III, GP, L.L.C. | SALE | 111.91 | 2.25M | 251.8M | 0 |
| Aug 02, 2018 | CARLYLE GROUP MANAGEMENT L.L.C. | SALE | 111.91 | 2.25M | 251.8M | 0 |
| Aug 02, 2018 | CRP IV AIV GP, L.L.C. | SALE | 111.91 | 2.25M | 251.8M | 0 |
| May 07, 2018 | WARREN BRIAN | SALE | 104.52 | 1K | 104.52K | 37.62K |
| Mar 12, 2018 | TOBIN DOMINIC M. | SALE | 101.78 | 953 | 96.99K | 24.74K |
| Mar 12, 2018 | SZUREK PAUL E. | SALE | 101.91 | 2.61K | 265.99K | 89.56K |
| Mar 09, 2018 | WARREN BRIAN | SALE | 97.71 | 4.37K | 426.5K | 31.3K |
| Mar 09, 2018 | TOBIN DOMINIC M. | SALE | 98.13 | 4.37K | 428.34K | 25.7K |
| Mar 08, 2018 | WARREN BRIAN | SALE | 96.52 | 1.12K | 108.1K | 35.66K |
| Mar 06, 2018 | TOBIN DOMINIC M. | SALE | 95.43 | 2.49K | 237.53K | 30.06K |
| Mar 05, 2018 | WARREN BRIAN | SALE | 92.83 | 200 | 18.57K | 37.83K |
| Mar 02, 2018 | WARREN BRIAN | SALE | 92.43 | 142 | 13.13K | 38.03K |
| Dec 21, 2007 | TOLLEFSON GARY D | PURCHASE | 0.53 | 16K | 8.48K | 28K |
| Nov 19, 2007 | COLEMAN JAMES H | PURCHASE | 0.48 | 4.65K | 2.23K | 200.4K |