Vault-13

MATRIX SVC CO MTRX

COM · Common Stock · CUSIP 576853105

113 institutional holders +2 vs Q1 2024
22,683,12022.7m shares reported held*
83.1% of all shares outstanding*
$225.2mreported value*
21 new 40 added 41 reduced 20 sold out net sold ≈ $2.7m (-273.8k 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. Holder counts are more reliable. Shares outstanding: 27.3m as of 2024-05-08, 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 ≈ $9.93. Options: 4 managers hold calls ($555.9k notional), 2 hold puts ($5.0k).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 76Q4 22: 87Q1 23: 91Q2 23: 82Q3 23: 88Q4 23: 104Q1 24: 111Q2 24: 113113Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202276
Q4 202287
Q1 202391
Q2 202382
Q3 202388
Q4 2023104
Q1 2024111
Q2 2024113

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q4 22: 42 bought or addedQ4 22: 36 cut or sold outQ4 22Q1 23: 54 bought or addedQ1 23: 39 cut or sold outQ2 23: 28 bought or addedQ2 23: 54 cut or sold outQ2 23Q3 23: 46 bought or addedQ3 23: 40 cut or sold outQ4 23: 65 bought or addedQ4 23: 37 cut or sold outQ4 23Q1 24: 60 bought or addedQ1 24: 49 cut or sold outQ2 24: 61 bought or addedQ2 24: 61 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20224236
Q1 20235439
Q2 20232854
Q3 20234640
Q4 20236537
Q1 20246049
Q2 20246161

Calls vs puts

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

CallsPuts
$0$200k$400k$600kQ3 23 calls: $459.2kQ3 23 puts: $20.1kQ3 23P/C 0.04Q4 23 calls: $160.9kQ4 23 puts: $15.6kQ4 23P/C 0.10Q1 24 calls: $593.4kQ1 24 puts: $5.2kQ1 24P/C 0.01Q2 24 calls: $555.9kQ2 24 puts: $5.0kQ2 24P/C 0.01
Numbers
QuarterCallsPutsP/C
Q3 2023$459.2k$20.1k0.04
Q4 2023$160.9k$15.6k0.10
Q1 2024$593.4k$5.2k0.01
Q2 2024$555.9k$5.0k0.01

Biggest buyers

BlackRock Inc. Added +1,396,765+1.4m
GEODE CAPITAL MANAGEMENT, LLC Added +336,507+336.5k
NEEDHAM INVESTMENT MANAGEMENT LLC Added +320,000+320.0k
Azarias Capital Management, L.P. Added +282,086+282.1k
STATE STREET CORP Added +234,985+235.0k
WESTERLY CAPITAL MANAGEMENT, LLC Added +200,000+200.0k
VANGUARD GROUP INC Added +148,028+148.0k
Assenagon Asset Management S.A. New +83,623+83.6k
Prescott Group Capital Management, L.L.C. New +70,004+70.0k
GENDELL JEFFREY L Added +66,037+66.0k

Biggest sellers

MORGAN STANLEY Reduced -484,778-484.8k
Parkwood LLC Sold out -362,712-362.7k
Portolan Capital Management, LLC Reduced -344,248-344.2k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -290,554-290.6k
JANE STREET GROUP, LLC Reduced -273,547-273.5k
Invesco Ltd. Reduced -210,116-210.1k
RBF Capital, LLC Reduced -188,899-188.9k
ACADIAN ASSET MANAGEMENT LLC Reduced -170,397-170.4k
FRANKLIN RESOURCES INC Reduced -170,151-170.2k
GOLDMAN SACHS GROUP INC Reduced -159,260-159.3k

Biggest calls

CITADEL ADVISORS LLC Added $425.0k42.8k shares
SIMPLEX TRADING, LLC Reduced $119.0k12.0k shares
GROUP ONE TRADING LLC New $11.9k1.2k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Added $5.0k500 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 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
BlackRock, Inc. 13G · institution -5.6 pts · filed 2026-04-07 6.8% -5.6 pts 1.9m≈ $26.3m 2026-04-07
NEEDHAM INVESTMENT MANAGEMENT LLC 13G · passive investor new · filed 2025-02-13 5.2% new 1.4m≈ $19.5m 2025-02-13

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q2 2024

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
202Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 0 sellingQ2 23Q3 23: 0 buyingQ3 23: 1 sellingQ4 23: 0 buyingQ4 23: 2 sellingQ4 23Q1 24: 0 buyingQ1 24: 2 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20220—0——
Q4 20220—0——
Q1 20230—0——
Q2 20230—0——
Q3 20230—1$90.0k—
Q4 20230—2$145.5k—
Q1 20240—2$233.4k—
Q2 20240—0——

None reported in Q2 2024.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 3,351,3493.4m $33.3m $33.3m 0.00% Added +1.4m +1,396,765
2 FIRST WILSHIRE SECURITIES MANAGEMENT INC 5.82% of their portfolio PASADENA, CA 1,914,7631.9m $19.0m $19.0m 5.82% Reduced -35.9k -35,876
3 Harvey Partners, LLC 1.72% of their portfolio Tarrytown, NY 1,400,0001.4m $13.9m $13.9m 1.72% Added +45.0k +45,000
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,371,8091.4m $13.6m $13.6m 0.00% Added +148.0k +148,028
5 Azarias Capital Management, L.P. 5.68% of their portfolio West Chester, PA 1,273,1931.3m $12.6m $12.6m 5.68% Added +282.1k +282,086
6 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 1,172,6161.2m $11.6m $11.6m 0.00% Added +3.2k +3,215
7 WESTERLY CAPITAL MANAGEMENT, LLC 5.83% of their portfolio SAN FRANCISCO, CA 1,080,0001.1m $10.7m $10.7m 5.83% Added +200.0k +200,000
8 NEEDHAM INVESTMENT MANAGEMENT LLC 0.84% of their portfolio NEW YORK, NY 1,025,0001.0m $10.2m $10.2m 0.84% Added +320.0k +320,000
9 GENDELL JEFFREY L 0.33% of their portfolio Greenwich, CT 936,593936.6k $9.3m $9.3m 0.33% Added +66.0k +66,037
10 ROYCE & ASSOCIATES LP 0.07% of their portfolio New York, NY 755,442755.4k $7.5m $7.5m 0.07% Reduced -10.2k -10,234
11 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 593,394593.4k $5.9m $5.9m 0.00% Added +336.5k +336,507
12 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 575,428575.4k $5.7m $5.7m 0.00% Added +65.9k +65,902
13 Portolan Capital Management, LLC 0.31% of their portfolio BOSTON, MA 379,070379.1k $3.8m $3.8m 0.31% Reduced -344.2k -344,248
14 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 343,480343.5k $3.4m $3.4m 0.00% Reduced -170.2k -170,151
15 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 328,482328.5k $3.3m $3.3m 0.00% Added +235.0k +234,985
16 Stanley-Laman Group, Ltd. 0.47% of their portfolio Berwyn, PA 326,621326.6k $3.2m $3.2m 0.47% Added +13.1k +13,071
17 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 309,085309.1k $3.1m $3.1m 0.00% Reduced -106.0k -106,045
18 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 284,961285.0k $2.8m $2.8m 0.00% Added +10.8k +10,804
19 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 255,297255.3k $2.5m $2.5m 0.00% Reduced -9.4k -9,449
20 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 251,411251.4k $2.5m $2.5m 0.01% Reduced -170.4k -170,397
21 ESSEX INVESTMENT MANAGEMENT CO LLC 0.44% of their portfolio BOSTON, MA 237,421237.4k $2.4m $2.4m 0.44% Added +31.9k +31,860
22 G2 Investment Partners Management LLC 0.55% of their portfolio New York, NY 211,954212.0k $2.1m $2.1m 0.55% Added +54.9k +54,866
23 OBERWEIS ASSET MANAGEMENT INC/ 0.13% of their portfolio LISLE, IL 211,075211.1k $2.1m $2.1m 0.13% Added +12.6k +12,575
24 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 203,700203.7k $2.0m $2.0m 0.00% Added +8.9k +8,900
25 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 203,500203.5k $2.0m $2.0m 0.00% Reduced -130.8k -130,821
26 JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio FLORHAM PARK, NJ 190,691190.7k $1.9m $1.9m 0.01% Added +21.1k +21,084
27 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 185,525185.5k $1.8m $1.8m 0.00% Reduced -16.8k -16,758
28 De Lisle Partners LLP 0.40% of their portfolio POOLE, X0 184,592184.6k $1.8m $1.8m 0.40% Unchanged
29 1492 Capital Management LLC 1.03% of their portfolio MILWAUKEE, WI 182,658182.7k $1.8m $1.8m 1.03% Reduced -265 -265
30 RBF Capital, LLC 0.08% of their portfolio RENO, NV 143,071143.1k $1.4m $1.4m 0.08% Reduced -188.9k -188,899
31 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 141,529141.5k $1.4m $1.4m 0.00% Reduced -484.8k -484,778
32 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 131,093131.1k $1.3m $1.3m 0.00% Reduced -210.1k -210,116
33 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 114,869114.9k $1.1m $1.1m 0.00% Added +48.8k +48,820
34 MONEY CONCEPTS CAPITAL CORP 0.09% of their portfolio PALM BEACH GARDENS, FL 105,637105.6k $1.0m $1.0m 0.09% Reduced -1.0k -1,021
35 Nierenberg Investment Management Company, LLC 0.58% of their portfolio Camas, WA 99,55599.6k $988.6k $988.6k 0.58% Unchanged
36 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 92,79792.8k $921.5k $921.5k 0.00% Added +9.4k +9,400
37 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 83,62383.6k $830.4k $830.4k 0.00% New
38 WealthTrust Axiom LLC 0.27% of their portfolio WAYNE, PA 82,05082.0k $814.8k $814.8k 0.27% Reduced -27.3k -27,300
39 Legato Capital Management LLC 0.11% of their portfolio San Francisco, CA 81,35481.4k $807.8k $807.8k 0.11% Unchanged
40 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 76,95577.0k $764.2k $764.2k 0.00% Reduced -159.3k -159,260
41 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 75,10975.1k $745.8k $745.8k 0.01% Added +56.6k +56,551
42 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 73,37473.4k $728.6k $728.6k 0.00% Reduced -33.8k -33,768
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 73,26773.3k $727.5k $727.5k 0.00% Added +62.4k +62,420
44 Boston Partners 0.00% of their portfolio BOSTON, MA 72,70772.7k $722.0k $722.0k 0.00% Added +49.9k +49,858
45 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 70,86270.9k $703.7k $703.7k 0.00% Reduced -60.0k -59,982
46 Prescott Group Capital Management, L.L.C. 0.11% of their portfolio Tulsa, OK 70,00470.0k $695.0k $695.0k 0.11% New
47 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 69,60069.6k $691.1k $691.1k 0.00% Added +2.9k +2,900
48 EntryPoint Capital, LLC 0.29% of their portfolio NEW YORK, NY 63,02263.0k $625.8k $625.8k 0.29% Added +51.6k +51,588
49 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 59,65059.6k $592.3k $592.3k 0.00% Reduced -123.7k -123,660
50 BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio NEW YORK, NY 56,49256.5k $561.0k $561.0k 0.02% Added +18.3k +18,332
51 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 55,80055.8k $554.1k $554.1k 0.00% Reduced -14.9k -14,900
52 Dynamic Technology Lab Private Ltd 0.06% of their portfolio SINGAPORE, U0 54,92554.9k $545.0k $545.0k 0.06% Added +30.8k +30,777
53 Keene & Associates, Inc. 0.44% of their portfolio FORT WORTH, TX 54,05554.1k $536.8k $536.8k 0.44% Added +2.2k +2,206
54 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 51,00051.0k $506.4k $506.4k 0.00% New
55 SATURNA CAPITAL CORP 0.01% of their portfolio BELLINGHAM, WA 50,92050.9k $505.6k $505.6k 0.01% Reduced -6.0k -6,000
56 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 48,31748.3k $479.8k $479.8k 0.00% New
57 Pacific Ridge Capital Partners, LLC 0.11% of their portfolio LAKE OSWEGO, OR 48,18048.2k $478.4k $478.4k 0.11% Added +63 +63
58 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 48,11748.1k $482.6k $482.6k 0.00% Added +31.8k +31,817
59 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 39,20039.2k $389.3k $389.3k 0.01% Unchanged
60 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 39,07739.1k $389.0k $389.0k 0.00% Added +8.5k +8,466
61 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 37,71437.7k $374.5k $374.5k 0.00% Added +4.5k +4,452
62 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 36,39536.4k $361.4k $361.4k 0.00% Added +34.8k +34,795
63 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 35,19635.2k $349.5k $349.5k 0.00% Reduced -273.5k -273,547
64 Perritt Capital Management Inc 0.19% of their portfolio Chicago, IL 34,20034.2k $339.6k $339.6k 0.19% Reduced -11.0k -11,000
65 Ancora Advisors LLC 0.01% of their portfolio Cleveland, OH 32,15332.2k $319.3k $319.3k 0.01% Reduced -89.7k -89,710
66 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 28,00128.0k $278.1k $278.1k 0.00% Reduced -57.4k -57,404
67 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 26,79226.8k $266.0k $266.0k 0.00% Reduced -290.6k -290,554
68 Y-Intercept (Hong Kong) Ltd 0.01% of their portfolio HONG KONG, K3 25,95226.0k $257.7k $257.7k 0.01% Added +7.3k +7,255
69 Alpine Global Management, LLC 0.04% of their portfolio NEW YORK, NY 25,94625.9k $257.6k $257.6k 0.04% New
70 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 23,58923.6k $234.2k $234.2k 0.00% Unchanged
71 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 22,81422.8k $226.5k $226.5k 0.00% Added +14.3k +14,292
72 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 22,07322.1k $219.2k $219.2k 0.00% Reduced -32.5k -32,524
73 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 21,40021.4k $212.5k $212.5k 0.00% New
74 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 20,93220.9k $207.9k $207.9k 0.02% Added +8.3k +8,344
75 Greenhaven Road Investment Management, L.P. 0.07% of their portfolio GREENWICH, CT 15,98316.0k $158.7k $158.7k 0.07% Added +233 +233
76 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 15,43815.4k $153.3k $153.3k 0.00% New
77 GSA CAPITAL PARTNERS LLP 0.01% of their portfolio LONDON, X0 14,64414.6k $145.0k $145.0k 0.01% Reduced -37.3k -37,319
78 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 14,22814.2k $141.4k $141.4k 0.00% First filing
79 UBS Group AG 0.00% of their portfolio ZURICH, V8 12,81412.8k $127.2k $127.2k 0.00% Added +10.4k +10,416
80 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 12,66512.7k $125.8k $125.8k 0.00% Added +12.5k +12,477
81 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 11,60811.6k $115.3k $115.3k 0.00% Reduced -702 -702
82 WEDBUSH SECURITIES INC 0.00% of their portfolio PASADENA, CA 11,55711.6k $115.0k $115.0k 0.00% Reduced -300 -300
83 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 11,02911.0k $109.5k $109.5k 0.00% New
84 Man Group plc 0.00% of their portfolio LONDON, X0 10,84610.8k $107.7k $107.7k 0.00% Reduced -71.3k -71,334
85 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 10,70010.7k $106.3k $106.3k 0.00% New
86 AlphaQuest LLC 0.01% of their portfolio New York, NY 8,4028.4k $83.4k $83.4k 0.01% New
87 Aquatic Capital Management LLC 0.00% of their portfolio CHICAGO, IL 7,4007.4k $73.5k $73.5k 0.00% New
88 Quantbot Technologies LP 0.00% of their portfolio NEW YORK, NY 7,0847.1k $70.3k $70.3k 0.00% New
89 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 7,0677.1k $70.0k $70.0k 0.00% Added +1.1k +1,094
90 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 6,7756.8k $67.3k $67.3k 0.00% New
91 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 6,1046.1k $60.6k $60.6k 0.00% Reduced -83.7k -83,680
92 JAMISON PRIVATE WEALTH MANAGEMENT, INC. 0.00% of their portfolio MILTON, GA 6,0006.0k $0 $0 0.00% Unchanged
93 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio DENVER, CO 5,5955.6k $56.0k $56.0k 0.00% Reduced -639 -639
94 State of Wyoming 0.01% of their portfolio CHEYENNE, WY 5,0185.0k $49.8k $49.8k 0.01% Reduced -5.3k -5,304
95 Legal & General Group Plc 0.00% of their portfolio London, X0 4,9104.9k $48.8k $48.8k 0.00% New
96 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 4,3054.3k $42.7k $42.7k 0.00% Reduced -5.6k -5,605
97 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 2,5912.6k $25.7k $25.7k 0.00% New
98 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,4752.5k $24.6k $24.6k 0.00% Reduced -925 -925
99 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,2032.2k $21.9k $21.9k 0.00% Reduced -2.5k -2,548
100 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 2,0002.0k $20.2k $20.2k 0.00% Unchanged