Vault-13

NATIONAL RESH CORP NRC

COM NEW · Common Stock · CUSIP 637372202 · ISIN US6373722023

US healthcare consumer data mining company

124 institutional holders +3 vs Q1 2026
10,750,06710.8m shares reported held*
48.6% of all shares outstanding*
$231.8mreported value*
17 new 43 added 40 reduced 11 sold out net sold ≈ $1.7m (-74.1k 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 ($44.7k this quarter). Holder counts are more reliable. Shares outstanding: 22.1m as of 2026-07-31, 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 ≈ $21.57. Options: 1 managers hold calls ($10.8k notional), 1 hold puts ($351.6k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 111Q4 22: 117Q1 23: 127Q2 23: 117Q3 23: 122Q4 23: 133Q1 24: 143Q2 24: 137Q3 24: 139Q4 24: 134Q1 25: 124Q2 25: 127Q3 25: 119Q4 25: 117Q1 26: 121Q2 26: 124124Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022111
Q4 2022117
Q1 2023127
Q2 2023117
Q3 2023122
Q4 2023133
Q1 2024143
Q2 2024137
Q3 2024139
Q4 2024134
Q1 2025124
Q2 2025127
Q3 2025119
Q4 2025117
Q1 2026121
Q2 2026124

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 72 bought or addedQ3 24: 59 cut or sold outQ4 24: 70 bought or addedQ4 24: 63 cut or sold outQ4 24Q1 25: 48 bought or addedQ1 25: 73 cut or sold outQ2 25: 66 bought or addedQ2 25: 61 cut or sold outQ2 25Q3 25: 48 bought or addedQ3 25: 59 cut or sold outQ4 25: 39 bought or addedQ4 25: 79 cut or sold outQ4 25Q1 26: 41 bought or addedQ1 26: 67 cut or sold outQ2 26: 60 bought or addedQ2 26: 51 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20247259
Q4 20247063
Q1 20254873
Q2 20256661
Q3 20254859
Q4 20253979
Q1 20264167
Q2 20266051

Calls vs puts

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

CallsPuts
$0$500k$1m$1.5mQ3 25 calls: $8.0kQ3 25 puts: $1.0kQ3 25P/C 0.12Q4 25 calls: $1.0mQ4 25 puts: $3.8kQ4 25P/C 0.00Q1 26 calls: $708.1kQ1 26 puts: $468.6kQ1 26P/C 0.66Q2 26 calls: $10.8kQ2 26 puts: $351.6kQ2 26P/C 32.60
Numbers
QuarterCallsPutsP/C
Q3 2025$8.0k$1.0k0.12
Q4 2025$1.0m$3.8k0.00
Q1 2026$708.1k$468.6k0.66
Q2 2026$10.8k$351.6k32.60

Biggest buyers

FARMERS & MERCHANTS INVESTMENTS INC Added +330,549+330.5k
Willis Investment Counsel Added +210,147+210.1k
BlackRock, Inc. Added +85,500+85.5k
CITADEL ADVISORS LLC New +64,095+64.1k
HEARTLAND ADVISORS INC Added +62,853+62.9k
WELLS FARGO & COMPANY/MN Added +62,727+62.7k
Linden Thomas Advisory Services, LLC Added +50,260+50.3k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +46,379+46.4k
GEODE CAPITAL MANAGEMENT, LLC Added +26,209+26.2k
MARSHALL WACE, LLP New +23,282+23.3k

Biggest sellers

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Reduced -605,863-605.9k
MORGAN STANLEY Reduced -142,611-142.6k
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Sold out -101,364-101.4k
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Reduced -98,920-98.9k
AQR CAPITAL MANAGEMENT LLC Reduced -49,641-49.6k
BANK OF AMERICA CORP /DE/ Reduced -29,522-29.5k
Northwest & Ethical Investments L.P. Reduced -26,830-26.8k
AMERIPRISE FINANCIAL INC Reduced -24,849-24.8k
SEI INVESTMENTS CO Reduced -19,297-19.3k
Dynamic Technology Lab Private Ltd Sold out -18,632-18.6k

Biggest calls

SIMPLEX TRADING, LLC Reduced $10.8k500 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $351.6k16.3k shares

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
Common Property Trust 13D · may seek influence -0.8 pts · filed 2026-06-12
Stated purposeItem 4 is hereby amended by changing the words "Chief Executive Officer" to "Chairman" in the first sentence thereof. Full filing
45.7% -0.8 pts 10.3m≈ $222.3m 2026-06-12

Fell to 5% or below in the last year: KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (9.0%, 2026-08-13)

Insider purchases and sales since 1 Apr 2026

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.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 1 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 1 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20251$10.0k0——
Q4 20250—0——
Q1 20261$98.2k0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.14% of their portfolio LOS ANGELES, CA 2,030,4922.0m $43.8m $43.8m 0.14% Reduced -605.9k -605,863
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,061,3551.1m $22.9m $22.9m 0.00% Added +85.5k +85,500
3 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 859,269859.3k $18.5m $18.5m 0.00% Reduced -142.6k -142,611
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 666,554666.6k $14.4m $14.4m 0.00% Added +3.7k +3,717
5 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 491,228491.2k $10.6m $10.6m 0.00% Added +1.5k +1,488
6 Willis Investment Counsel 0.45% of their portfolio GAINESVILLE, GA 434,785434.8k $9.4m $9.4m 0.45% Added +210.1k +210,147
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 420,056420.1k $9.1m $9.1m 0.00% Added +26.2k +26,209
8 QV Investors Inc. 0.62% of their portfolio CALGARY, A0 372,503372.5k $8.0m $8.0m 0.62% Reduced -8.8k -8,807
9 FARMERS & MERCHANTS INVESTMENTS INC 0.17% of their portfolio LINCOLN, NE 330,649330.6k $7.1m $7.1m 0.17% Added +330.5k +330,549
10 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 325,384325.4k $7.0m $7.0m 0.01% Reduced -15.4k -15,400
11 HEARTLAND ADVISORS INC 0.29% of their portfolio MILWAUKEE, WI 300,000300.0k $6.5m $6.5m 0.29% Added +62.9k +62,853
12 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 298,384298.4k $6.5m $6.5m 0.00% Reduced -2.4k -2,364
13 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 252,235252.2k $5.4m $5.4m 0.00% Added +1.5k +1,528
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 238,243238.2k $5.1m $5.1m 0.00% Reduced -17.4k -17,358
15 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.01% of their portfolio Los Angeles, CA 187,920187.9k $4.1m $4.1m 0.01% Reduced -98.9k -98,920
16 iA Global Asset Management Inc. 0.05% of their portfolio QUEBEC, A8 187,520187.5k $4.0m $4.0m 0.05% Unchanged
17 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 179,623179.6k $3.9m $3.9m 0.00% Added +62.7k +62,727
18 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 122,206122.2k $2.6m $2.6m 0.00% Reduced -49.6k -49,641
19 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 113,312113.3k $2.4m $2.4m 0.00% Added +938 +938
20 Northwest & Ethical Investments L.P. 0.05% of their portfolio TORONTO, A6 102,370102.4k $2.2m $2.2m 0.05% Reduced -26.8k -26,830
21 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 97,20097.2k $2.1m $2.1m 0.00% Added +4.0k +4,046
22 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 96,77696.8k $2.1m $2.1m 0.00% Added +14.1k +14,084
23 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 87,37587.4k $1.9m $1.9m 0.00% Added +16.9k +16,949
24 FIFTH THIRD BANCORP 0.00% of their portfolio CINCINNATI, OH 85,37285.4k $1.8m $1.8m 0.00% Reduced -4.8k -4,810
25 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 82,94682.9k $1.8m $1.8m 0.00% Reduced -29.5k -29,522
26 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 81,72581.7k $1.8m $1.8m 0.00% Added +11.1k +11,140
27 Linden Thomas Advisory Services, LLC 0.14% of their portfolio Charlotte, NC 77,85477.9k $1.7m $1.7m 0.14% Added +50.3k +50,260
28 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 77,68477.7k $1.7m $1.7m 0.00% Added +46.4k +46,379
29 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 73,15273.2k $1.6m $1.6m 0.00% Added +10.8k +10,823
30 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 64,09564.1k $1.4m $1.4m 0.00% New
31 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 62,93862.9k $1.4m $1.4m 0.00% Reduced -872 -872
32 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 62,78162.8k $1.4m $1.4m 0.00% Added +15.7k +15,698
33 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 47,65147.7k $1.0m $1.0m 0.00% Reduced -19.3k -19,297
34 BESSEMER GROUP INC 0.00% of their portfolio WOODBRIDGE, NJ 47,11047.1k $1.0m $1.0m 0.00% Unchanged
35 ALPS ADVISORS INC 0.00% of their portfolio Denver, CO 47,07347.1k $1.0m $1.0m 0.00% Added +10.3k +10,311
36 Williams Jones Wealth Management, LLC. 0.01% of their portfolio NEW YORK, NY 41,80041.8k $901.6k $901.6k 0.01% Unchanged
37 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 38,56538.6k $831.8k $831.8k 0.00% Added +97 +97
38 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 37,00137.0k $798.1k $798.1k 0.00% Reduced -10.4k -10,448
39 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 33,15633.2k $715.2k $715.2k 0.00% Added +483 +483
40 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 30,31830.3k $654.0k $654.0k 0.00% Added +2.8k +2,754
41 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 29,53929.5k $634.8k $634.8k 0.00% Added +19.1k +19,072
42 Daiwa Securities Group Inc. 0.00% of their portfolio CHIYODA-KU,TOKYO, M0 29,17129.2k $629.2k $629.2k 0.00% Added +9.3k +9,335
43 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 28,95229.0k $624.5k $624.5k 0.00% Added +4.5k +4,544
44 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 23,28223.3k $502.2k $502.2k 0.00% New
45 Empirical Finance, LLC 0.02% of their portfolio NEWTOWN SQUARE, PA 20,00020.0k $431.4k $431.4k 0.02% New
46 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 19,92819.9k $429.8k $429.8k 0.00% Reduced -1.2k -1,213
47 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 18,90518.9k $321.0k $321.0k 0.00% Added +2.7k +2,706
48 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 18,05018.1k $389.3k $389.3k 0.00% Unchanged
49 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 17,00717.0k $366.9k $366.9k 0.00% Reduced -24.8k -24,849
50 EXCHANGE TRADED CONCEPTS, LLC 0.00% of their portfolio Oklahoma City, OK 14,69814.7k $317.0k $317.0k 0.00% Added +1.3k +1,314
51 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 14,61914.6k $315.3k $315.3k 0.00% Reduced -818 -818
52 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 14,40914.4k $310.8k $310.8k 0.00% Added +2.2k +2,171
53 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 14,21014.2k $306.5k $306.5k 0.00% Reduced -5.7k -5,715
54 PCM Encore, LLC 0.05% of their portfolio Aspen, CO 13,43313.4k $289.8k $289.8k 0.05% Unchanged
55 Empowered Funds, LLC 0.00% of their portfolio NEWTOWN SQUARE, PA 13,19813.2k $284.7k $284.7k 0.00% Reduced -84 -84
56 MANGROVE PARTNERS IM, LLC 0.02% of their portfolio Greenwich, CT 13,19513.2k $284.6k $284.6k 0.02% Reduced -9.5k -9,454
57 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 13,10813.1k $282.7k $282.7k 0.00% Reduced -2.1k -2,054
58 R Squared Ltd 0.14% of their portfolio HONG KONG, K3 12,28812.3k $265.1k $265.1k 0.14% New
59 Graham Capital Management, L.P. 0.01% of their portfolio ROWAYTON, CT 11,76511.8k $253.8k $253.8k 0.01% Reduced -128 -128
60 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 11,70311.7k $252.4k $252.4k 0.00% Added +1.7k +1,683
61 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 11,52811.5k $248.7k $248.7k 0.00% Reduced -1.0k -1,013
62 Vident Advisory, LLC 0.00% of their portfolio Alpharetta, GA 10,70510.7k $230.9k $230.9k 0.00% Unchanged
63 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 9,7089.7k $210.0k $210.0k 0.00% New
64 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 9,3789.4k $202.3k $202.3k 0.00% New
65 Aquatic Capital Management LLC 0.01% of their portfolio CHICAGO, IL 8,7078.7k $187.8k $187.8k 0.01% New
66 UBS Group AG 0.00% of their portfolio ZURICH, V8 8,1018.1k $174.7k $174.7k 0.00% Reduced -15.6k -15,586
67 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 7,9718.0k $171.9k $171.9k 0.00% Reduced -747 -747
68 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 6,6736.7k $143.9k $143.9k 0.00% Unchanged
69 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 6,0186.0k $130.2k $130.2k 0.00% Reduced -190 -190
70 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 5,5775.6k $120.3k $120.3k 0.00% Added +4.9k +4,918
71 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 5,4465.4k $117.5k $117.5k 0.00% Reduced -204 -204
72 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 5,2385.2k $113.0k $113.0k 0.00% Unchanged
73 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 4,5734.6k $99.0k $99.0k 0.00% Added +507 +507
74 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,4214.4k $95.4k $95.4k 0.00% Unchanged
75 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 4,0964.1k $88.4k $88.4k 0.00% Added +1.5k +1,497
76 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 4,0874.1k $88.1k $88.1k 0.00% Added +2.4k +2,359
77 Copeland Capital Management, LLC 0.00% of their portfolio Conshohocken, PA 3,6163.6k $78.0k $78.0k 0.00% Reduced -118 -118
78 Aviso Financial Inc. 0.00% of their portfolio TORONTO, A6 3,5853.6k $77.3k $77.3k 0.00% Added +190 +190
79 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 3,0103.0k $64.9k $64.9k 0.00% Unchanged
80 MEEDER ASSET MANAGEMENT INC 0.00% of their portfolio DUBLIN, OH 2,8842.9k $62.2k $62.2k 0.00% Unchanged
81 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 2,8792.9k $62.0k $62.0k 0.00% Added +77 +77
82 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 2,4842.5k $53.6k $53.6k 0.00% Added +2.3k +2,345
83 FMR LLC 0.00% of their portfolio BOSTON, MA 2,4562.5k $53.0k $53.0k 0.00% Reduced -3 -3
84 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 2,2452.2k $48.4k $48.4k 0.00% Added +2.2k +2,219
85 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,3971.4k $30.1k $30.1k 0.00% Added +101 +101
86 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 1,3281.3k $28.6k $28.6k 0.00% Reduced -281 -281
87 State of Alaska, Department of Revenue 0.00% of their portfolio JUNEAU, AK 1,2721.3k $27.0k $27.0k 0.00% Unchanged
88 Legal & General Group Plc 0.00% of their portfolio London, X0 1,1941.2k $25.8k $25.8k 0.00% Added +243 +243
89 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 1,1661.2k $25.2k $25.2k 0.00% Reduced -3 -3
90 Basecamp Wealth Advisors LLC 0.00% of their portfolio BELLEVUE, WA 1,1351.1k $24.5k $24.5k 0.00% Unchanged
91 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 1,0771.1k $23.2k $23.2k 0.00% Reduced -1 -1
92 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 1,0691.1k $23.1k $23.1k 0.00% Added +259 +259
93 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 1,0281.0k $22.0k $22.0k 0.00% New
94 WealthCollab, LLC 0.01% of their portfolio BELLEVUE, WA 987987 $21.3k $21.3k 0.01% Unchanged
95 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 982982 $21.2k $21.2k 0.00% Unchanged
96 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 957957 $20.6k $20.6k 0.00% Reduced -453 -453
97 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 839839 $18.1k $18.1k 0.00% New
98 Pinnacle Wealth Planning Services, Inc. 0.00% of their portfolio MANSFIELD, OH 564564 $12.2k $12.2k 0.00% Unchanged
99 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 418418 $9.0k $9.0k 0.00% Reduced -12 -12
100 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 395395 $8.5k $8.5k 0.00% Unchanged