Vault-13

CHARLES RIV LABS INTL INC CRL

COM · Common Stock · CUSIP 159864107 · ISIN US1598641074

Major US biomedical company

584 institutional holders
50,130,33150.1m shares reported held*
98.5% of all shares outstanding*
$9.9bnreported value*

* 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 ($24.8m this quarter). Holder counts are more reliable. Shares outstanding: 50.9m as of 2022-10-21, 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 ≈ $196.86. Options: 15 managers hold calls ($33.9m notional), 12 hold puts ($13.3m).

Biggest calls

CITADEL ADVISORS LLC — $9.5m48.4k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $8.7m44.1k shares
MILLENNIUM MANAGEMENT LLC — $6.4m32.4k shares
GROUP ONE TRADING LLC — $3.9m19.7k shares
SIMPLEX TRADING, LLC — $1.5m7.5k shares
PEAK6 Investments LLC — $787.0k4.0k shares
TUDOR INVESTMENT CORP ET AL — $748.0k3.8k shares
Twin Tree Management, LP — $649.0k3.3k shares
TWO SIGMA SECURITIES, LLC — $571.0k2.9k shares
WOLVERINE TRADING, LLC — $494.0k2.6k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $4.3m21.6k shares
MILLENNIUM MANAGEMENT LLC — $3.3m17.0k shares
CITADEL ADVISORS LLC — $2.0m10.2k shares
PEAK6 Investments LLC — $1.2m6.3k shares
WOLVERINE TRADING, LLC — $646.0k3.4k shares
TWO SIGMA SECURITIES, LLC — $551.0k2.8k shares
TUDOR INVESTMENT CORP ET AL — $433.0k2.2k shares
SIMPLEX TRADING, LLC — $354.0k1.8k shares
Walleye Capital LLC — $216.0k1.1k shares
Parallax Volatility Advisers, L.P. — $196.0k1.0k 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
FMR LLC 13G · institution +1.4 pts · filed 2026-09-08 10.2% +1.4 pts 4.9m≈ $1.1bn 2026-09-08
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 7.4% new 3.6m≈ $824.2m 2026-04-29
BlackRock, Inc. 13G · institution filed 2025-04-17 6.9% 3.5m≈ $799.3m 2025-04-17
Invesco Ltd. 13G · institution +1.3 pts · filed 2026-08-13 6.2% +1.3 pts 3.0m≈ $676.9m 2026-08-13

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), WELLINGTON MANAGEMENT GROUP LLP (3.6%, 2026-02-10), NOMURA HOLDINGS INC (1.6%, 2025-11-14)

Insider purchases and sales in Q3 2022

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
404Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 0 sellingQ1 22: 0 buyingQ1 22: 4 sellingQ1 22Q2 22: 0 buyingQ2 22: 1 sellingQ3 22: 0 buyingQ3 22: 1 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—0——
Q1 20220—4$22.4m—
Q2 20220—1$41.1k—
Q3 20220—1$45.2k—
DateInsiderTradeSharesPrice ValueTheir holding
2022-08-05 LaPlume Joseph W EVP, Corp Strategy & Develop Sold 200 $226.13 $45.2k200 shares -1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.03% of their portfolio Valley Forge, PA 5,977,1196.0m $1.2bn $1.2bn 0.03% —
2 BlackRock Inc. 0.04% of their portfolio New York, NY 5,309,1985.3m $1.0bn $1.0bn 0.04% —
3 STATE STREET CORP 0.03% of their portfolio BOSTON, MA 2,031,1412.0m $399.7m $399.7m 0.03% —
4 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1.07% of their portfolio LOS ANGELES, CA 1,632,2611.6m $321.2m $321.2m 1.07% —
5 PRICE T ROWE ASSOCIATES INC /MD/ 0.05% of their portfolio BALTIMORE, MD 1,586,4991.6m $312.2m $312.2m 0.05% —
6 Clearbridge Investments, LLC 0.29% of their portfolio NEW YORK, NY 1,449,5291.4m $285.3m $285.3m 0.29% —
7 Invesco Ltd. 0.07% of their portfolio ATLANTA, GA 1,025,8591.0m $201.9m $201.9m 0.07% —
8 GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio BOSTON, MA 994,911994.9k $195.6m $195.6m 0.03% —
9 Allspring Global Investments Holdings, LLC 0.34% of their portfolio CHARLOTTE, NC 976,347976.3k $192.1m $192.1m 0.34% —
10 Jackson Square Partners, LLC 4.49% of their portfolio LARKSPUR, CA 870,788870.8k $171.4m $171.4m 4.49% —
11 FMR LLC 0.02% of their portfolio BOSTON, MA 739,784739.8k $145.6m $145.6m 0.02% —
12 FIL Ltd 0.18% of their portfolio HAMILTON, D0 728,937728.9k $143.5m $143.5m 0.18% —
13 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.57% of their portfolio CHICAGO, IL 727,556727.6k $143.2m $143.2m 0.57% —
14 MACKENZIE FINANCIAL CORP 0.24% of their portfolio TORONTO ONTARIO, A6 710,825710.8k $139.9m $139.9m 0.24% —
15 VIKING GLOBAL INVESTORS LP 0.60% of their portfolio STAMFORD, CT 658,478658.5k $129.6m $129.6m 0.60% —
16 ARIEL INVESTMENTS, LLC 1.41% of their portfolio CHICAGO, IL 650,498650.5k $128.0m $128.0m 1.41% —
17 FRANKLIN RESOURCES INC 0.07% of their portfolio San Mateo, CA 645,168645.2k $127.0m $127.0m 0.07% —
18 BANK OF AMERICA CORP /DE/ 0.02% of their portfolio CHARLOTTE, NC 626,941626.9k $123.4m $123.4m 0.02% —
19 MARSHALL WACE, LLP 0.27% of their portfolio LONDON, X0 555,678555.7k $109.4m $109.4m 0.27% —
20 Southpoint Capital Advisors LP 2.65% of their portfolio NEW YORK, NY 500,000500.0k $98.4m $98.4m 2.65% —
21 Camber Capital Management LP 3.29% of their portfolio BOSTON, MA 500,000500.0k $98.4m $98.4m 3.29% —
22 NORTHERN TRUST CORP 0.02% of their portfolio CHICAGO, IL 494,575494.6k $97.3m $97.3m 0.02% —
23 WELLS FARGO & COMPANY/MN 0.03% of their portfolio SAN FRANCISCO, CA 484,714484.7k $95.4m $95.4m 0.03% —
24 Bank of New York Mellon Corp 0.02% of their portfolio NEW YORK, NY 482,726482.7k $95.0m $95.0m 0.02% —
25 CONGRESS ASSET MANAGEMENT CO 1.02% of their portfolio BOSTON, MA 481,977482.0k $94.9m $94.9m 1.02% —
26 KING LUTHER CAPITAL MANAGEMENT CORP 0.56% of their portfolio FORT WORTH, TX 479,095479.1k $94.3m $94.3m 0.56% —
27 NORGES BANK 0.02% of their portfolio OSLO, Q8 468,795468.8k $92.3m $92.3m 0.02% —
28 EARNEST PARTNERS LLC 0.61% of their portfolio ATLANTA, GA 463,300463.3k $91.2m $91.2m 0.61% —
29 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.03% of their portfolio SAN FRANCISCO, CA 441,167441.2k $86.8m $86.8m 0.03% —
30 SEI INVESTMENTS CO 0.19% of their portfolio OAKS, PA 432,799432.8k $85.2m $85.2m 0.19% —
31 MONTRUSCO BOLTON INVESTMENTS INC. 1.71% of their portfolio MONTREAL, A8 333,739333.7k $64.7m $64.7m 1.71% —
32 Alyeska Investment Group, L.P. 0.77% of their portfolio CHICAGO, IL 333,429333.4k $65.6m $65.6m 0.77% —
33 RIVERBRIDGE PARTNERS LLC 0.93% of their portfolio MINNEAPOLIS, MN 319,220319.2k $62.8m $62.8m 0.93% —
34 Legal & General Group Plc 0.02% of their portfolio London, X0 313,989314.0k $61.8m $61.8m 0.02% —
35 PRIMECAP MANAGEMENT CO/CA/ 0.06% of their portfolio PASADENA, CA 294,820294.8k $58.0m $58.0m 0.06% —
36 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 289,205289.2k $56.9m $56.9m 0.02% —
37 HORIZON KINETICS ASSET MANAGEMENT LLC 1.13% of their portfolio NEW YORK, NY 284,389284.4k $56.0m $56.0m 1.13% —
38 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 281,181281.2k $55.3m $55.3m 0.01% —
39 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.02% of their portfolio Boston, MA 270,130270.1k $53.2m $53.2m 0.02% —
40 FIRST TRUST ADVISORS LP 0.07% of their portfolio Wheaton, IL 267,125267.1k $52.6m $52.6m 0.07% —
41 Bellevue Group AG 0.74% of their portfolio ZURICH, V8 262,993263.0k $51.8m $51.8m 0.74% —
42 NEUBERGER BERMAN GROUP LLC 0.05% of their portfolio NEW YORK, NY 257,514257.5k $50.6m $50.6m 0.05% —
43 TWO SIGMA ADVISERS, LP 0.14% of their portfolio NEW YORK, NY 246,300246.3k $48.5m $48.5m 0.14% —
44 Fisher Asset Management, LLC 0.04% of their portfolio PLANO, TX 240,759240.8k $47.4m $47.4m 0.04% —
45 Nuveen Asset Management, LLC 0.02% of their portfolio CHICAGO, IL 238,972239.0k $47.0m $47.0m 0.02% —
46 RAYMOND JAMES & ASSOCIATES 0.05% of their portfolio ST PETERSBURG, FL 231,503231.5k $45.6m $45.6m 0.05% —
47 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio Toronto, A6 220,777220.8k $43.3m $43.3m 0.03% —
48 Swiss National Bank 0.03% of their portfolio ZURICH, V8 220,200220.2k $43.3m $43.3m 0.03% —
49 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.23% of their portfolio JUPITER, FL 217,836217.8k $42.9m $42.9m 0.23% —
50 VICTORY CAPITAL MANAGEMENT INC 0.05% of their portfolio San Antonio, TX 214,794214.8k $42.3m $42.3m 0.05% —
51 Point72 Asset Management, L.P. 0.18% of their portfolio STAMFORD, CT 211,900211.9k $41.7m $41.7m 0.18% —
52 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 210,626210.6k $41.5m $41.5m 0.01% —
53 EAGLE ASSET MANAGEMENT INC 0.27% of their portfolio ST PETERSBURG, FL 208,348208.3k $41.0m $41.0m 0.27% —
54 Iron Triangle Partners LP 6.95% of their portfolio Cos Cob, CT 202,000202.0k $39.8m $39.8m 6.95% —
55 VOYA INVESTMENT MANAGEMENT LLC 0.04% of their portfolio ATLANTA, GA 189,794189.8k $37.4m $37.4m 0.04% —
56 FEDERATED HERMES, INC. 0.11% of their portfolio PITTSBURGH, PA 186,917186.9k $36.8m $36.8m 0.11% —
57 DEUTSCHE BANK AG\ 0.02% of their portfolio FRANKFURT AM MAIN, 2M 185,423185.4k $36.5m $36.5m 0.02% —
58 BROWN ADVISORY INC 0.07% of their portfolio BALTIMORE, MD 184,823184.8k $36.4m $36.4m 0.07% —
59 ROYAL BANK OF CANADA 0.01% of their portfolio TORONTO, A6 181,896181.9k $35.8m $35.8m 0.01% —
60 Van Berkom & Associates Inc. 1.68% of their portfolio MONTREAL, A8 180,041180.0k $35.4m $35.4m 1.68% —
61 PERSONAL CAPITAL ADVISORS CORP 0.19% of their portfolio Redwood City, CA 177,226177.2k $34.9m $34.9m 0.19% —
62 STRS OHIO 0.16% of their portfolio COLUMBUS, OH 174,000174.0k $34.2m $34.2m 0.16% —
63 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.13% of their portfolio Paris, I0 173,118173.1k $34.1m $34.1m 0.13% —
64 AMERICAN CAPITAL MANAGEMENT INC 1.32% of their portfolio NEW YORK, NY 170,000170.0k $33.5m $33.5m 1.32% —
65 ARGENT CAPITAL MANAGEMENT LLC 1.31% of their portfolio ST LOUIS, MO 169,451169.5k $33.3m $33.3m 1.31% —
66 ENVESTNET ASSET MANAGEMENT INC 0.02% of their portfolio Berwyn, PA 163,819163.8k $32.2m $32.2m 0.02% —
67 Mitsubishi UFJ Trust & Banking Corp 0.09% of their portfolio TOKYO, M0 159,166159.2k $31.3m $31.3m 0.09% —
68 Aristotle Capital Boston, LLC 1.05% of their portfolio BOSTON, MA 158,158158.2k $31.1m $31.1m 1.05% —
69 J.P. Morgan Private Wealth Advisors LLC 0.08% of their portfolio SAN FRANCISCO, CA 157,275157.3k $31.0m $31.0m 0.08% —
70 SNYDER CAPITAL MANAGEMENT L P 0.77% of their portfolio San Francisco, CA 152,493152.5k $30.0m $30.0m 0.77% —
71 Holocene Advisors, LP 0.19% of their portfolio New York, NY 151,145151.1k $29.7m $29.7m 0.19% —
72 Baird Financial Group, Inc. 0.09% of their portfolio MILWAUKEE, WI 150,586150.6k $29.6m $29.6m 0.09% —
73 Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio CHIYODA-KU, TOKYO, M0 142,800142.8k $28.1m $28.1m 0.02% —
74 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 139,564139.6k $27.5m $27.5m 0.00% —
75 M.D. Sass, LLC 4.99% of their portfolio New York, NY 138,414138.4k $27.2m $27.2m 4.99% —
76 Amundi 0.02% of their portfolio Paris, I0 138,180138.2k $29.8m $29.8m 0.02% —
77 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 129,172129.2k $25.4m $25.4m 0.01% —
78 Soleus Capital Management, L.P. 3.45% of their portfolio GREENWICH, CT 129,100129.1k $25.4m $25.4m 3.45% —
79 TWO SIGMA INVESTMENTS, LP 0.09% of their portfolio NEW YORK, NY 125,237125.2k $24.6m $24.6m 0.09% —
80 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 118,374118.4k $23.3m $23.3m 0.01% —
81 LORD, ABBETT & CO. LLC 0.08% of their portfolio JERSEY CITY, NJ 116,452116.5k $22.9m $22.9m 0.08% —
82 Skandinaviska Enskilda Banken AB (publ) 0.17% of their portfolio STOCKHOLM, V7 114,187114.2k $22.5m $22.5m 0.17% —
83 California Public Employees Retirement System 0.02% of their portfolio Sacramento, CA 113,553113.6k $22.3m $22.3m 0.02% —
84 Premier Fund Managers Ltd 1.58% of their portfolio GUILDFORD, X0 111,000111.0k $21.1m $21.1m 1.58% —
85 AQR CAPITAL MANAGEMENT LLC 0.05% of their portfolio Greenwich, CT 110,029110.0k $21.7m $21.7m 0.05% —
86 LAKEWOOD CAPITAL MANAGEMENT, LP 1.77% of their portfolio New York, NY 105,740105.7k $20.8m $20.8m 1.77% —
87 CIBC Private Wealth Group LLC 0.05% of their portfolio ATLANTA, GA 103,472103.5k $20.4m $20.4m 0.05% —
88 NORRIS PERNE & FRENCH LLP/MI 2.10% of their portfolio GRAND RAPIDS, MI 102,903102.9k $20.3m $20.3m 2.10% —
89 D. E. Shaw & Co., Inc. 0.03% of their portfolio New York, NY 101,032101.0k $19.9m $19.9m 0.03% —
90 Boston Trust Walden Corp 0.20% of their portfolio BOSTON, MA 100,273100.3k $19.7m $19.7m 0.20% —
91 STIFEL FINANCIAL CORP 0.03% of their portfolio ST. LOUIS, MO 99,965100.0k $19.7m $19.7m 0.03% —
92 Polar Asset Management Partners Inc. 0.25% of their portfolio TORONTO, A6 95,30095.3k $18.8m $18.8m 0.25% —
93 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 94,01694.0k $18.5m $18.5m 0.01% —
94 MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC 1.38% of their portfolio BOISE, ID 89,90189.9k $17.7m $17.7m 1.38% —
95 IRIDIAN ASSET MANAGEMENT LLC/CT 1.72% of their portfolio WESTPORT, CT 87,96488.0k $17.3m $17.3m 1.72% —
96 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio WEST SACRAMENTO, CA 84,36984.4k $16.6m $16.6m 0.03% —
97 Thrivent Financial for Lutherans 0.05% of their portfolio Minneapolis, MN 83,56783.6k $16.4m $16.4m 0.05% —
98 RHUMBLINE ADVISERS 0.02% of their portfolio BOSTON, MA 83,32183.3k $16.4m $16.4m 0.02% —
99 INVESTMENT HOUSE LLC 1.51% of their portfolio REDONDO BEACH, CA 82,10482.1k $16.2m $16.2m 1.51% —
100 Tekla Capital Management LLC 0.59% of their portfolio Boston, MA 72,67572.7k $14.3m $14.3m 0.59% —