13F QoQ Ownership Changes
ATRC Institutional Holders
Period 2025-12-31 · prior 2025-09-30 · 40 new · 92 added · 103 reduced · 25 exited
New Positions(40)
Added To(92)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 4,903,755 | +62,861 | $194.0M | +$23.4M | 1.3% |
| BlackRock, Inc. | 4,065,804 | +68,695 | $160.8M | +$19.9M | 1.7% |
| MARSHALL WACE, LLP | 913,453 | +354,281 | $36.1M | +$16.4M | 63.4% |
| ALLIANCEBERNSTEIN L.P. | 3,563,582 | +4,990 | $141.0M | +$15.5M | 0.1% |
| Hood River Capital Management LLC | 3,096,611 | +51,024 | $122.5M | +$15.1M | 1.7% |
| First Light Asset Management, LLC | 1,175,445 | +285,083 | $46.5M | +$15.1M | 32.0% |
| Grandeur Peak Global Advisors, LLC | 328,491 | +249,591 | $13.0M | +$10.2M | 316.3% |
| Qube Research & Technologies Ltd | 290,540 | +195,811 | $11.5M | +$8.2M | 206.7% |
| CITADEL ADVISORS LLC | 242,741 | +189,842 | $9.6M | +$7.7M | 358.9% |
| GOLDMAN SACHS GROUP INC | 885,062 | +107,754 | $35.0M | +$7.6M | 13.9% |
| MORGAN STANLEY | 346,116 | +157,300 | $13.7M | +$7.0M | 83.3% |
| DIMENSIONAL FUND ADVISORS LP | 921,897 | +71,341 | $36.5M | +$6.5M | 8.4% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 511,213 | +86,532 | $20.2M | +$5.3M | 20.4% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,191,498 | +443 | $47.1M | +$5.2M | 0.0% |
| NORGES BANK | 214,016 | +55,572 | $8.5M | +$4.0M | 35.1% |
| KENNEDY CAPITAL MANAGEMENT LLC | 837,326 | +410 | $33.1M | +$3.6M | 0.0% |
| WCM INVESTMENT MANAGEMENT, LLC | 372,682 | +46,961 | $15.0M | +$3.6M | 14.4% |
| RENAISSANCE TECHNOLOGIES LLC | 321,900 | +63,100 | $12.7M | +$3.6M | 24.4% |
| Voya Investment Management LLC | 712,329 | +5,267 | $28.2M | +$3.3M | 0.7% |
| OBERWEIS ASSET MANAGEMENT INC/ | 217,992 | +64,492 | $8.6M | +$3.2M | 42.0% |
| DAFNA Capital Management LLC | 597,431 | +5,158 | $23.6M | +$2.8M | 0.9% |
| Connor, Clark & Lunn Investment Management Ltd. | 378,496 | +27,218 | $15.0M | +$2.6M | 7.7% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 437,883 | +9,986 | $17.3M | +$2.2M | 2.3% |
| SEI INVESTMENTS CO | 158,303 | +32,062 | $6.3M | +$1.8M | 25.4% |
| Amundi | 230,852 | +11,476 | $9.1M | +$1.5M | 5.2% |
| PANAGORA ASSET MANAGEMENT INC | 226,575 | +10,854 | $9.0M | +$1.4M | 5.0% |
| NICHOLAS COMPANY, INC. | 205,505 | +12,870 | $8.1M | +$1.3M | 6.7% |
| Engineers Gate Manager LP | 58,479 | +29,839 | $2.3M | +$1.3M | 104.2% |
| WELLS FARGO & COMPANY/MN | 101,486 | +19,513 | $4.0M | +$1.1M | 23.8% |
| Y-Intercept (Hong Kong) Ltd | 34,728 | +27,211 | $1.4M | +$1.1M | 362.0% |
| Advisors Capital Management, LLC | 182,853 | +8,813 | $7.2M | +$1.1M | 5.1% |
| AQR CAPITAL MANAGEMENT LLC | 99,956 | +15,784 | $4.0M | +$987.2K | 18.8% |
| UBS Group AG | 104,060 | +11,401 | $4.1M | +$850.4K | 12.3% |
| Trexquant Investment LP | 77,667 | +11,147 | $3.1M | +$727.7K | 16.8% |
| Allianz Asset Management GmbH | 117,816 | +4,567 | $4.7M | +$668.8K | 4.0% |
| US BANCORP \DE\ | 18,584 | +16,478 | $735.2K | +$660.9K | 782.4% |
| AMERICAN CENTURY COMPANIES INC | 81,612 | +8,727 | $3.2M | +$659.4K | 12.0% |
| PRINCIPAL FINANCIAL GROUP INC | 44,140 | +13,054 | $1.7M | +$650.4K | 42.0% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 32,500 | +12,800 | $1.3M | +$591.3K | 65.0% |
| Invesco Ltd. | 74,435 | +5,462 | $2.9M | +$513.4K | 7.9% |
| Swiss National Bank | 98,000 | +2,000 | $3.9M | +$492.9K | 2.1% |
| CANADA PENSION PLAN INVESTMENT BOARD | 12,200 | +11,800 | $482.6K | +$468.5K | 2950.0% |
| ENVESTNET ASSET MANAGEMENT INC | 58,301 | +3,993 | $2.3M | +$392.0K | 7.3% |
| Knott David M Jr | 51,400 | +3,400 | $2.0M | +$341.4K | 7.1% |
| LAZARD ASSET MANAGEMENT LLC | 49,719 | +2,878 | $2.0M | +$315.7K | 6.1% |
| AlphaQuest LLC | 8,874 | +7,861 | $351.1K | +$315.3K | 776.0% |
| Brevan Howard Capital Management LP | 19,978 | +6,371 | $790.3K | +$310.7K | 46.8% |
| Russell Investments Group, Ltd. | 14,864 | +6,743 | $588.0K | +$301.8K | 83.0% |
| Dynamic Technology Lab Private Ltd | 13,013 | +6,843 | $515.0K | +$298.0K | 110.9% |
| AMERIPRISE FINANCIAL INC | 26,837 | +4,948 | $1.1M | +$290.1K | 22.6% |
| FRANKLIN RESOURCES INC | 52,283 | +1,835 | $2.1M | +$290.0K | 3.6% |
| BARCLAYS PLC | 100,585 | +15,107 | $3.3M | +$283.1K | 17.7% |
| Diversified Trust Co | 37,436 | +2,800 | $1.5M | +$260.0K | 8.1% |
| DEUTSCHE BANK AG\ | 45,926 | +1,260 | $1.8M | +$242.4K | 2.8% |
| XTX Topco Ltd | 11,069 | +5,182 | $437.9K | +$230.4K | 88.0% |
| SCOTIA CAPITAL INC. | 38,949 | +1,272 | $1.5M | +$212.6K | 3.4% |
| OSAIC HOLDINGS, INC. | 7,184 | +4,754 | $284.2K | +$199.2K | 195.6% |
| LPL Financial LLC | 20,907 | +2,921 | $827.1K | +$193.1K | 16.2% |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,890 | +2,676 | $747.3K | +$175.7K | 16.5% |
| Fiduciary Trust Co | 11,806 | +2,303 | $467.0K | +$132.1K | 24.2% |
| Tower Research Capital LLC (TRC) | 4,677 | +2,415 | $185.0K | +$105.3K | 106.8% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 22,481 | +96 | $889.3K | +$100.3K | 0.4% |
| TRUIST FINANCIAL CORP | 21,194 | +234 | $838.4K | +$99.6K | 1.1% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 22,672 | +36 | $896.9K | +$99.0K | 0.1% |
| BNP PARIBAS FINANCIAL MARKETS | 14,353 | +906 | $567.8K | +$93.8K | 6.7% |
| MACKENZIE FINANCIAL CORP | 13,597 | +683 | $545.3K | +$90.0K | 5.3% |
| Cresset Asset Management, LLC | 11,086 | +663 | $438.6K | +$71.2K | 6.4% |
| Farther Finance Advisors, LLC | 2,746 | +1,614 | $108.6K | +$68.7K | 142.6% |
| M&T Bank Corp | 7,060 | +904 | $278.9K | +$62.2K | 14.7% |
| Rockefeller Capital Management L.P. | 3,983 | +1,205 | $157.6K | +$59.6K | 43.4% |
| ProShare Advisors LLC | 8,819 | +543 | $348.9K | +$57.1K | 6.6% |
| First Bank & Trust | 8,805 | +495 | $348.3K | +$55.4K | 6.0% |
| CAPTRUST FINANCIAL ADVISORS | 7,944 | +579 | $314.3K | +$54.6K | 7.9% |
| COMERICA BANK | 2,213 | +1,212 | $87.6K | +$52.3K | 121.1% |
| FIRST HORIZON CORP | 2,260 | +1,062 | $89.4K | +$47.2K | 88.6% |
| Smartleaf Asset Management LLC | 1,146 | +429 | $46.0K | +$21.0K | 59.8% |
| GLOBEFLEX CAPITAL L P | 4,496 | +40 | $177.9K | +$20.8K | 0.9% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 959,294 | +192,156 | $38.0K | +$10.9K | 25.0% |
| Sterling Capital Management LLC | 316 | +199 | $12.5K | +$8.4K | 170.1% |
| Quarry LP | 295 | +193 | $11.7K | +$8.1K | 189.2% |
| GW&K Investment Management, LLC | 952,089 | +91,054 | $37.7K | +$7.3K | 10.6% |
| JONES FINANCIAL COMPANIES LLLP | 515 | +135 | $20.4K | +$7.0K | 35.5% |
| ALGERT GLOBAL LLC | 261,477 | +114,439 | $10.3K | +$5.2K | 77.8% |
| Rossby Financial, LCC | 239 | +84 | $9.5K | +$4.1K | 54.2% |
| GAMMA Investing LLC | 151 | +89 | $6.0K | +$3.8K | 143.5% |
| SIGNATUREFD, LLC | 345 | +27 | $13.6K | +$2.4K | 8.5% |
| ROTHSCHILD INVESTMENT LLC | 129 | +4 | $5.1K | +$697 | 3.2% |
| SG Americas Securities, LLC | 37,081 | +13,693 | $1.5K | +$643 | 58.5% |
| C M BIDWELL & ASSOCIATES LTD | 117 | +1 | $4.6K | +$540 | 0.9% |
| HARBOR CAPITAL ADVISORS, INC. | 33,564 | +4,925 | $1.3K | +$318 | 17.2% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 50,577 | +2,121 | $2.0K | +$292 | 4.4% |
| Handelsbanken Fonder AB | 20,300 | +4,100 | $803 | +$232 | 25.3% |