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AMN

Amn Healthcare Services Inc

Company with tickers: AMN

CIK
1142750
CUSIP
001744101
Shares Outstanding
38,786,052
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 243
Total Value: $727,466,024
Total Shares: 39,665,550
Showing 1–100 of 250 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 243 13F filers · Δ vs Dec 31, 2025
Top Holder
15.2%
Jun 2023 → Mar 2026 · range 13.7% – 18.8%
−2.4 pts
Top 5
32.2%
Jun 2023 → Mar 2026 · range 32.2% – 42.3%
−4.3 pts
Top 10
46.9%
Jun 2023 → Mar 2026 · range 45.1% – 56.6%
−2.8 pts
HHI
406
Jun 2023 → Mar 2026 · range 406 – 562
Broadly held −81

Quarterly Activity

vs Dec 31, 2025
New
52
Increased
99
Decreased
60
Sold Out
41
Unchanged
32
Holder count: +11
Institutional value: +37.6%
Shares held: +18.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +1,300,005 1,401,725
Mega MORGAN STANLEY +1,129,556 1,189,739
Large Boston Partners +1,103,243 2,138,388
Mega TWO SIGMA INVESTMENTS, LP +778,043 1,587,681
Mid ROYCE & ASSOCIATES LP +548,794 1,008,987

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mega MILLENNIUM MANAGEMENT LLC −1,008,638 997,328
Mega D. E. Shaw & Co., Inc. −769,570 891,142
Mid NORTHERN TRUST CORP −402,542 8,138
Mega JANE STREET GROUP, LLC −336,382 124,500
Large FEDERATED HERMES, INC. −263,471 566,170

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Small Medina Value Partners, LLC 546,257 $10,018,353
Large Empowered Funds, LLC 268,007 $4,915,247
Mid BURNEY CO/ 226,412 $4,152,396
Large Allspring Global Investments Holdings, LLC 110,735 $2,030,879
Large Cambridge Investment Research Advisors, Inc. 86,308 $1,582,888

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Large TWO SIGMA ADVISERS, LP 503,900 $7,941,464
Large Freestone Grove Partners LP 473,381 $7,460,484
Large Point72 Asset Management, L.P. 408,932 $6,444,768
Small Zweig-DiMenna Associates LLC 223,241 $3,518,278
Large Qube Research & Technologies Ltd 147,808 $2,329,454
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mega BlackRock, Inc. $110,470,892 15.19% 6,023,495 View
Large Boston Partners $39,218,034 5.39% 2,138,388 View
Mega STATE STREET CORP $29,608,169 4.07% 1,614,404 View
Mega TWO SIGMA INVESTMENTS, LP $29,118,069 4.00% 1,587,681 View
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $25,707,636 3.53% 1,401,725 View
Large RENAISSANCE TECHNOLOGIES LLC $25,242,093 3.47% 1,376,341 View
Large Allianz Asset Management GmbH $23,126,812 3.18% 1,261,004 View
Mega MORGAN STANLEY $21,819,812 3.00% 1,189,739 View
Mid ROYCE & ASSOCIATES LP $18,504,821 2.54% 1,008,987 View
Mega MILLENNIUM MANAGEMENT LLC $18,290,995 2.51% 997,328 View
Mega GEODE CAPITAL MANAGEMENT, LLC $16,948,176 2.33% 924,110 View
Mega D. E. Shaw & Co., Inc. $16,343,543 2.25% 891,142 View
Mega UBS Group AG $15,918,678 2.19% 867,976 View
Mega GOLDMAN SACHS GROUP INC $15,490,807 2.13% 844,646 View
Mega DIMENSIONAL FUND ADVISORS LP $13,593,772 1.87% 741,209 View
Small GRIZZLYROCK CAPITAL, LLC $13,296,848 1.83% 725,019 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $12,752,755 1.75% 695,352 View
Mid Tributary Capital Management, LLC $10,976,434 1.51% 598,497 View
Mega BANK OF AMERICA CORP /DE/ $10,772,347 1.48% 587,369 View
Large FEDERATED HERMES, INC. $10,383,557 1.43% 566,170 View
Small Medina Value Partners, LLC $10,018,353 1.38% 546,257 View
Mid CenterBook Partners LP $9,457,094 1.30% 515,654 View
Small THOMPSON INVESTMENT MANAGEMENT, INC. $8,381,746 1.15% 457,020 View
Mega JPMORGAN CHASE & CO $7,742,743 1.06% 422,178 View
Mega CITADEL ADVISORS LLC $6,942,862 0.95% 378,564 View
Mid SYSTEMATIC FINANCIAL MANAGEMENT LP $6,830,988 0.94% 372,464 View
Large Russell Investments Group, Ltd. $6,794,964 0.93% 370,500 View
Mega Invesco Ltd. $6,705,249 0.92% 365,608 View
Large ACADIAN ASSET MANAGEMENT LLC $5,822,564 0.80% 317,479 View
Mega AQR CAPITAL MANAGEMENT LLC $5,580,676 0.77% 304,290 View
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $5,541,871 0.76% 302,174 View
Mega FMR LLC $5,425,979 0.75% 295,855 View
Large Walleye Capital LLC $5,129,734 0.71% 279,702 View
Small Counterpoint Mutual Funds LLC $5,061,748 0.70% 275,995 View
Large Empowered Funds, LLC $4,915,247 0.68% 268,007 View
Mega PRINCIPAL FINANCIAL GROUP INC $4,774,800 0.66% 260,349 View
Large Trexquant Investment LP $4,263,334 0.59% 232,461 View
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $4,195,091 0.58% 228,740 View
Mega Bank of New York Mellon Corp $4,178,583 0.57% 227,840 View
Mid BURNEY CO/ $4,152,396 0.57% 226,412 View
Mega NORDEA INVESTMENT MANAGEMENT AB $3,826,659 0.53% 208,651 View
Small MONIMUS CAPITAL MANAGEMENT, LP $3,556,254 0.49% 193,907 View
Mid Engineers Gate Manager LP $3,309,819 0.45% 180,470 View
Large Public Sector Pension Investment Board $3,238,788 0.45% 176,597 View
Mega CITADEL ADVISORS LLC $3,148,978 0.43% 171,700 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,141,642 0.43% 171,300 View
Mega FRANKLIN RESOURCES INC $2,891,152 0.40% 157,642 View
Mega ALLIANCEBERNSTEIN L.P. $2,812,218 0.39% 153,338 View
Mega ENVESTNET ASSET MANAGEMENT INC $2,776,400 0.38% 151,385 View
Large TUDOR INVESTMENT CORP ET AL $2,660,895 0.37% 145,087 View
Mega Nuveen, LLC $2,345,300 0.32% 127,879 View
Mega JANE STREET GROUP, LLC $2,283,330 0.31% 124,500 View
Mega RHUMBLINE ADVISERS $2,239,497 0.31% 122,110 View
Mid Jump Financial, LLC $2,217,562 0.30% 120,914 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $2,078,652 0.29% 113,340 View
Mega AMERICAN CENTURY COMPANIES INC $2,031,338 0.28% 110,760 View
Large Allspring Global Investments Holdings, LLC $2,030,879 0.28% 110,735 View
Mega WELLS FARGO & COMPANY/MN $1,999,664 0.27% 109,033 View
Mid ALGERT GLOBAL LLC $1,989,156 0.27% 108,460 View
Small Taproot Management LP $1,928,762 0.27% 105,167 View
Mid BOOTHBAY FUND MANAGEMENT, LLC $1,876,016 0.26% 102,291 View
Large Squarepoint Ops LLC $1,647,060 0.23% 89,807 View
Mid FIRST NATIONAL BANK OF OMAHA $1,608,032 0.22% 87,679 View
Mega Legal & General Group Plc $1,601,813 0.22% 87,340 View
Large Mitsubishi UFJ Trust & Banking Corp $1,601,192 0.22% 87,306 View
Small DBA TRADING, LLC $1,595,580 0.22% 87,000 View
Large Cambridge Investment Research Advisors, Inc. $1,582,888 0.22% 86,308 View
Large CAPITAL FUND MANAGEMENT S.A. $1,569,959 0.22% 85,603 View
Small VARCOV Co. $1,515,966 0.21% 82,659 View
Mega AMERIPRISE FINANCIAL INC $1,501,018 0.21% 81,844 View
Mid READYSTATE ASSET MANAGEMENT LP $1,450,969 0.20% 79,115 View
Mega BNP PARIBAS ARBITRAGE, SA $1,430,244 0.20% 77,985 View
Large Man Group plc $1,414,692 0.19% 77,137 View
Mega Swiss National Bank $1,386,504 0.19% 75,600 View
Large PRUDENTIAL FINANCIAL INC $1,295,610 0.18% 70,644 View
Large Balyasny Asset Management L.P. $1,278,041 0.18% 69,686 View
Mega CITADEL ADVISORS LLC $1,256,290 0.17% 68,500 View
Mega LPL Financial LLC $1,202,407 0.17% 65,562 View
Large SG Americas Securities, LLC $1,200,756 0.17% 65,472 View
Large HRT FINANCIAL LP $1,093,669 0.15% 59,633 View
Large Walleye Trading LLC $1,083,894 0.15% 59,100 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,040,153 0.14% 56,715 View
Mega ROYAL BANK OF CANADA $1,022,544 0.14% 55,755 View
Mid WOLVERINE ASSET MANAGEMENT LLC $1,016,751 0.14% 55,439 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,008,700 0.14% 55,000 View
Large Quantinno Capital Management LP $1,007,562 0.14% 54,938 View
Mega CANADA PENSION PLAN INVESTMENT BOARD $975,688 0.13% 53,200 View
Large Schonfeld Strategic Advisors LLC $975,632 0.13% 53,197 View
Mid XTX Topco Ltd $970,351 0.13% 52,909 View
Large SEI INVESTMENTS CO $953,385 0.13% 51,984 View
Mid Brevan Howard Capital Management LP $937,118 0.13% 51,097 View
Micro Verdad Advisers, LP $917,000 0.13% 50,000 View
Mid Graham Capital Management, L.P. $859,265 0.12% 46,852 View
Mid WINTON GROUP Ltd $825,300 0.11% 45,000 View
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $818,660 0.11% 44,638 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $818,129 0.11% 44,609 View
Large CWM, LLC $798,450 0.11% 43,536 View
Small Dynamic Technology Lab Private Ltd $792,104 0.11% 43,190 View
Mid EXCHANGE TRADED CONCEPTS, LLC $744,988 0.10% 40,621 View
Small State of Wyoming $743,008 0.10% 40,513 View
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