Vault-13

CONCENTRA GROUP HOLDINGS PAR CON

COMMON STOCK · Common Stock · CUSIP 20603L102

254 institutional holders -3 vs Q1 2025
107,354,170107.4m shares reported held*
83.8% of all shares outstanding*
$2.2bnreported value*
32 new 108 added 69 reduced 33 sold out net bought ≈ $7.9m (+382.6k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($4.9m this quarter). Holder counts are more reliable. Shares outstanding: 128.2m as of 2025-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $20.57. Options: 1 managers hold calls ($0 notional), 1 hold puts ($0).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 24: 80Q4 24: 237Q1 25: 257Q2 25: 254254Q3 24Q4 24Q1 25Q2 25
Numbers
QuarterHolders
Q3 202480
Q4 2024237
Q1 2025257
Q2 2025254

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
4000400Q4 24: 212 bought or addedQ4 24: 26 cut or sold outQ4 24Q1 25: 133 bought or addedQ1 25: 109 cut or sold outQ1 25Q2 25: 140 bought or addedQ2 25: 102 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q4 202421226
Q1 2025133109
Q2 2025140102

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50k$100k$150kQ3 24 calls: $127.2kQ3 24 puts: $2.2kQ3 24P/C 0.02Q4 24 calls: $97.9kQ4 24 puts: $14.6kQ4 24P/C 0.15Q1 25 calls: $59.0kQ1 25 puts: $9.5kQ1 25P/C 0.16Q2 25 calls: $0Q2 25 puts: $0Q2 25P/C —
Numbers
QuarterCallsPutsP/C
Q3 2024$127.2k$2.2k0.02
Q4 2024$97.9k$14.6k0.15
Q1 2025$59.0k$9.5k0.16
Q2 2025$0$0—

Biggest buyers

VANGUARD GROUP INC Added +1,046,625+1.0m
CITADEL ADVISORS LLC Added +805,480+805.5k
Nuveen, LLC Added +407,392+407.4k
JANUS HENDERSON GROUP PLC Added +391,322+391.3k
PRINCIPAL FINANCIAL GROUP INC Added +364,008+364.0k
MANUFACTURERS LIFE INSURANCE COMPANY, THE Added +353,691+353.7k
CRAMER ROSENTHAL MCGLYNN LLC Added +323,061+323.1k
LAZARD ASSET MANAGEMENT LLC Added +318,743+318.7k
Prosight Management, LP New +312,105+312.1k
BARCLAYS PLC Added +290,375+290.4k

Biggest sellers

8 KNOTS MANAGEMENT, LLC Sold out -1,932,890-1.9m
Camber Capital Management LP Reduced -1,200,000-1.2m
PRICE T ROWE ASSOCIATES INC /MD/ Reduced -816,946-816.9k
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Reduced -735,000-735.0k
MILLENNIUM MANAGEMENT LLC Reduced -691,803-691.8k
DEERFIELD MANAGEMENT COMPANY, L.P. Sold out -650,000-650.0k
Hood River Capital Management LLC Sold out -265,914-265.9k
Thrivent Financial for Lutherans Reduced -210,449-210.4k
JANE STREET GROUP, LLC Sold out -190,635-190.6k
CITIGROUP INC Reduced -185,766-185.8k

Biggest calls

Biggest puts

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution +1.1 pts · filed 2026-07-27 13.7% +1.1 pts 17.6m≈ $522.7m 2026-07-27
PRICE T ROWE ASSOCIATES INC /MD/ 13G · institution -0.3 pts · filed 2026-02-17 13.1% -0.3 pts 16.8m≈ $501.1m 2026-02-17
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 5.3% new 6.8m≈ $203.4m 2026-04-29
ORTENZIO ROBERT A 13D · may seek influence -0.1 pts · filed 2026-09-01 5.2% -0.1 pts 6.6m≈ $197.8m 2026-09-01

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), T. Rowe Price Investment Management, Inc. (4.9%, 2025-11-14)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.01% of their portfolio New York, NY 16,777,41116.8m $345.1m $345.1m 0.01% Added +287.4k +287,419
2 PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio BALTIMORE, MD 13,905,38013.9m $286.0m $286.0m 0.03% Reduced -816.9k -816,946
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 13,177,36313.2m $271.1m $271.1m 0.00% Added +1.0m +1,046,625
4 T. Rowe Price Investment Management, Inc. 0.10% of their portfolio BALTIMORE, MD 7,659,6047.7m $157.6m $157.6m 0.10% Added +108.3k +108,325
5 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 4,271,4424.3m $87.9m $87.9m 0.00% Added +52.9k +52,882
6 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 3,428,8343.4m $70.5m $70.5m 0.00% Added +100.0k +99,989
7 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 3,202,2393.2m $65.9m $65.9m 0.02% Reduced -54.9k -54,900
8 PRINCIPAL FINANCIAL GROUP INC 0.03% of their portfolio DES MOINES, IA 2,804,9332.8m $57.7m $57.7m 0.03% Added +364.0k +364,008
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 2,612,0002.6m $53.7m $53.7m 0.00% Added +77.2k +77,185
10 Thrivent Financial for Lutherans 0.10% of their portfolio Minneapolis, MN 2,300,4752.3m $47.3m $47.3m 0.10% Reduced -210.4k -210,449
11 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio Boston, MA 1,913,8821.9m $39.4m $39.4m 0.01% Added +173.5k +173,497
12 CRAMER ROSENTHAL MCGLYNN LLC 2.58% of their portfolio STAMFORD, CT 1,823,7781.8m $37.5m $37.5m 2.58% Added +323.1k +323,061
13 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 1,696,3601.7m $34.9m $34.9m 0.01% Added +134.4k +134,363
14 CITADEL ADVISORS LLC 0.03% of their portfolio MIAMI, FL 1,580,9721.6m $32.5m $32.5m 0.03% Added +805.5k +805,480
15 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,549,7941.5m $31.9m $31.9m 0.00% Added +82.6k +82,555
16 NORGES BANK 0.00% of their portfolio OSLO, Q8 1,494,4061.5m $30.7m $30.7m 0.00% Unchanged
17 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 1,442,5701.4m $29.7m $29.7m 0.01% Added +33.7k +33,710
18 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 1,395,1851.4m $28.7m $28.7m 0.00% Added +65.7k +65,687
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 1,316,2591.3m $27.1m $27.1m 0.00% Added +106.5k +106,489
20 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.02% of their portfolio Toronto, A6 1,276,6401.3m $26.3m $26.3m 0.02% Added +353.7k +353,691
21 Woodline Partners LP 0.12% of their portfolio San Francisco, CA 1,131,5171.1m $23.3m $23.3m 0.12% Added +139.8k +139,829
22 Point72 Asset Management, L.P. 0.05% of their portfolio STAMFORD, CT 995,134995.1k $20.5m $20.5m 0.05% Added +214.5k +214,510
23 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 882,734882.7k $18.2m $18.2m 0.00% Added +275.0k +275,022
24 HBK INVESTMENTS L P 0.32% of their portfolio DALLAS, TX 876,155876.2k $18.0m $18.0m 0.32% Added +110.0k +110,045
25 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 802,778802.8k $16.5m $16.5m 0.01% Reduced -691.8k -691,803
26 LOOMIS SAYLES & CO L P 0.02% of their portfolio BOSTON, MA 777,433777.4k $16.0m $16.0m 0.02% Added +8.9k +8,944
27 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 683,477683.5k $14.1m $14.1m 0.00% Added +6.8k +6,823
28 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 672,530672.5k $13.8m $13.8m 0.00% Added +407.4k +407,392
29 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio BOSTON, MA 521,505521.5k $10.7m $10.7m 0.01% Added +1.5k +1,546
30 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 456,849456.8k $9.4m $9.4m 0.00% Added +290.4k +290,375
31 JANUS HENDERSON GROUP PLC 0.00% of their portfolio LONDON, X0 442,333442.3k $9.1m $9.1m 0.00% Added +391.3k +391,322
32 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.03% of their portfolio Los Angeles, CA 437,639437.6k $9.0m $9.0m 0.03% Added +186.7k +186,706
33 Camber Capital Management LP 1.15% of their portfolio BOSTON, MA 400,000400.0k $8.2m $8.2m 1.15% Reduced -1.2m -1,200,000
34 Ceredex Value Advisors LLC 0.17% of their portfolio WINTER PARK, FL 392,000392.0k $8.1m $8.1m 0.17% Added +47.3k +47,289
35 Public Sector Pension Investment Board 0.03% of their portfolio MONTREAL, A8 371,410371.4k $7.6m $7.6m 0.03% Added +28.1k +28,136
36 LAZARD ASSET MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 363,718363.7k $7.5m $7.5m 0.01% Added +318.7k +318,743
37 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 355,471355.5k $7.3m $7.3m 0.00% Added +69.2k +69,217
38 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 349,046349.0k $7.2m $7.2m 0.00% Added +51.8k +51,782
39 ROYCE & ASSOCIATES LP 0.07% of their portfolio New York, NY 340,846340.8k $7.0m $7.0m 0.07% Reduced -6.7k -6,656
40 First Eagle Investment Management, LLC 0.01% of their portfolio NEW YORK, NY 324,259324.3k $6.7m $6.7m 0.01% Added +8.5k +8,500
41 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 324,097324.1k $6.7m $6.7m 0.01% Added +17.2k +17,241
42 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 315,000315.0k $6.5m $6.5m 0.01% Reduced -735.0k -735,000
43 Prosight Management, LP 1.57% of their portfolio DALLAS, TX 312,105312.1k $6.4m $6.4m 1.57% New
44 Legal & General Group Plc 0.00% of their portfolio London, X0 310,657310.7k $6.4m $6.4m 0.00% Added +21.7k +21,683
45 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 297,297297.3k $6.1m $6.1m 0.00% Added +86.8k +86,771
46 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 294,504294.5k $6.1m $6.1m 0.00% Added +1.8k +1,821
47 Jain Global LLC 0.08% of their portfolio NEW YORK, NY 247,545247.5k $5.1m $5.1m 0.08% Reduced -9.7k -9,743
48 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 228,082228.1k $4.7m $4.7m 0.00% Added +146.6k +146,641
49 EQUITABLE TRUST CO 0.23% of their portfolio NASHVILLE, TN 223,881223.9k $4.6m $4.6m 0.23% Unchanged
50 Swiss National Bank 0.00% of their portfolio ZURICH, V8 220,335220.3k $4.5m $4.5m 0.00% Reduced -1.7k -1,700
51 Dana Investment Advisors, Inc. 0.15% of their portfolio BROOKFIELD, WI 214,921214.9k $4.4m $4.4m 0.15% Reduced -3.4k -3,356
52 Advantage Alpha Capital Partners LP 1.19% of their portfolio SAN FRANCISCO, CA 213,746213.7k $4.4m $4.4m 1.19% Reduced -2.0k -1,976
53 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 199,931199.9k $4.1m $4.1m 0.01% Reduced -42.2k -42,200
54 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 188,342188.3k $3.9m $3.9m 0.00% Added +102.6k +102,556
55 Granite Investment Partners, LLC 0.19% of their portfolio EL SEGUNDO, CA 187,424187.4k $3.9m $3.9m 0.19% New
56 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 182,857182.9k $3.8m $3.8m 0.00% New
57 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 180,843180.8k $3.7m $3.7m 0.01% Added +77.3k +77,325
58 ESSEX INVESTMENT MANAGEMENT CO LLC 0.67% of their portfolio BOSTON, MA 178,412178.4k $3.7m $3.7m 0.67% Added +79.3k +79,285
59 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 177,241177.2k $3.6m $3.6m 0.00% Added +44.8k +44,770
60 Cubist Systematic Strategies, LLC 0.04% of their portfolio STAMFORD, CT 165,582165.6k $3.4m $3.4m 0.04% Reduced -20.6k -20,557
61 GABELLI FUNDS LLC 0.02% of their portfolio Rye, NY 162,235162.2k $3.3m $3.3m 0.02% New
62 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 156,060156.1k $3.2m $3.2m 0.00% Reduced -26.0k -25,968
63 Phocas Financial Corp. 0.46% of their portfolio ALAMEDA, CA 154,326154.3k $3.2m $3.2m 0.46% New
64 Ghisallo Capital Management LLC 0.08% of their portfolio BOSTON, MA 150,000150.0k $3.1m $3.1m 0.08% Reduced -50.0k -50,000
65 DARK FOREST CAPITAL MANAGEMENT LP 0.12% of their portfolio NEW YORK, NY 146,316146.3k $3.0m $3.0m 0.12% New
66 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 142,179142.2k $2.9m $2.9m 0.00% Reduced -58.1k -58,127
67 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 138,822138.8k $2.9m $2.9m 0.00% Added +25.5k +25,476
68 Weiss Asset Management LP 0.04% of their portfolio BOSTON, MA 133,129133.1k $2.7m $2.7m 0.04% Not comparable
69 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 130,750130.8k $2.7m $2.7m 0.00% Added +4.4k +4,360
70 UBS Group AG 0.00% of their portfolio ZURICH, V8 130,058130.1k $2.7m $2.7m 0.00% Added +32.4k +32,363
71 TWINBEECH CAPITAL LP 0.05% of their portfolio PURCHASE, NY 117,119117.1k $2.4m $2.4m 0.05% Reduced -98.7k -98,662
72 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 113,485113.5k $2.3m $2.3m 0.00% Added +7.3k +7,349
73 STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio MADISON, WI 112,082112.1k $2.3m $2.3m 0.01% Reduced -4.1k -4,144
74 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 111,506111.5k $2.3m $2.3m 0.00% Reduced -185.8k -185,766
75 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 106,001106.0k $2.2m $2.2m 0.00% Added +1.1k +1,133
76 TD Asset Management Inc 0.00% of their portfolio Toronto, A6 95,80695.8k $2.0m $2.0m 0.00% Added +5.1k +5,132
77 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 87,97088.0k $1.8m $1.8m 0.01% Added +4.5k +4,478
78 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 85,29385.3k $1.8m $1.8m 0.00% Reduced -11.7k -11,709
79 COHEN & STEERS, INC. 0.00% of their portfolio NEW YORK, NY 82,42082.4k $1.7m $1.7m 0.00% Reduced -27.6k -27,580
80 LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA 0.01% of their portfolio BOSTON, MA 79,37479.4k $1.6m $1.6m 0.01% Reduced -330 -330
81 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 76,44476.4k $1.6m $1.6m 0.00% Added +44.4k +44,352
82 Expect Equity LLC 1.65% of their portfolio Pikesville, MD 75,14075.1k $1.5m $1.5m 1.65% Added +22.1k +22,050
83 Quantbot Technologies LP 0.04% of their portfolio NEW YORK, NY 73,30573.3k $1.5m $1.5m 0.04% Reduced -96.1k -96,137
84 Graham Capital Management, L.P. 0.04% of their portfolio ROWAYTON, CT 71,48271.5k $1.5m $1.5m 0.04% Reduced -2.5k -2,455
85 MetLife Investment Management, LLC 0.01% of their portfolio Whippany, NJ 70,05470.1k $1.4m $1.4m 0.01% Added +4.8k +4,828
86 Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio HONG KONG, K3 69,36969.4k $1.4m $1.4m 0.03% New
87 HARBOR CAPITAL ADVISORS, INC. 0.06% of their portfolio CHICAGO, IL 69,20969.2k $1.4m $1.4m 0.06% Added +290 +290
88 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 68,16168.2k $1.4m $1.4m 0.00% Added +12.3k +12,295
89 SYQUANT CAPITAL SAS 0.46% of their portfolio PARIS, I0 67,80067.8k $1.4m $1.4m 0.46% New
90 South Dakota Investment Council 0.03% of their portfolio SIOUX FALLS, SD 66,86866.9k $1.4m $1.4m 0.03% Reduced -11.5k -11,500
91 WESBANCO BANK INC 0.04% of their portfolio WHEELING, WV 66,44966.4k $1.4m $1.4m 0.04% Unchanged
92 State of Alaska, Department of Revenue 0.01% of their portfolio JUNEAU, AK 64,86964.9k $1.3m $1.3m 0.01% Added +4.9k +4,893
93 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 64,05564.1k $1.3m $1.3m 0.00% Reduced -1.5k -1,460
94 INTECH INVESTMENT MANAGEMENT LLC 0.01% of their portfolio WEST PALM BEACH, FL 58,03658.0k $1.2m $1.2m 0.01% Added +12.3k +12,277
95 Vestmark Advisory Solutions, Inc. 0.02% of their portfolio Wakefield, MA 57,71157.7k $1.2m $1.2m 0.02% Added +41.1k +41,075
96 Illinois Municipal Retirement Fund 0.02% of their portfolio OAK BROOK, IL 57,21157.2k $1.2m $1.2m 0.02% Reduced -2.3k -2,325
97 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 56,19056.2k $1.2m $1.2m 0.00% Added +43.7k +43,714
98 ROMANO BROTHERS AND COMPANY 0.14% of their portfolio EVANSTON, IL 55,73355.7k $1.1m $1.1m 0.14% Reduced -4.0k -4,034
99 NATIXIS ADVISORS, LLC 0.00% of their portfolio Boston, MA 52,26352.3k $1.1m $1.1m 0.00% Added +7.8k +7,841
100 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 51,05551.1k $1.1m $1.1m 0.00% Added +8.9k +8,906