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CERT · Certara, Inc. · Shareholders & Ownership

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$10.09 -0.09 (-0.88%)
Market Cap
$1.55B
Shares
152.54M
Volume · Oct 22 2.36M Avg daily vol (3M) 3.01M

Every disclosed holder of CERT in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns CERT

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 132,453,184 86.83%
Insiders (Forms 3, 4, 5) 4,084,342 2.68%
13D/G-only blocks 11,368,350 7.45%
Remaining 4,632,904 3.04%
Registered funds (N-PORT, not summed) 53,011,422 34.75%

Shares outstanding: 152,538,780, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of CERT

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
18,818,180
1.1
BlackRock, Inc.
13G CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
18,032,062
1.2
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
7,030,811
1.3
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,014,141
1.4
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,100,618
1.5
iShares S&P Small-Cap 600 Growth ETF
Fund S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
537,076
2
Deerfield Management Company, L.P.
13G CIK 1352546 · Unknown · Nov 25, 2025
Rule 13d-1(c), passive investor
7,808,605
3
DEERFIELD MANAGEMENT COMPANY, L.P.
13F CIK 1009258 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
7,512,928
4
Haveli Investment Management LLC
13F CIK 2022286 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
7,400,000
5
Jefferies Financial Group Inc.
13F CIK 96223 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
7,091,051
6
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
7,056,106
7
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,022,686
7.1
DIMENSIONAL FUND ADVISORS LP
13G CIK 354204 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,022,686
7.2
U.S. SMALL CAP VALUE PORTFOLIO
Fund S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
1,722,913
7.3
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
1,175,902
7.4
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
1,027,341
7.5
Dimensional US Small Cap Value ETF
Fund S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
880,090
8
WASATCH ADVISORS LP
13F CIK 814133 · Registered investment adviser · Sep 30, 2026
5,523,922
8.1
Wasatch Small Cap Value Fund
Fund S000000878 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
1,814,406
9
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,283,180
10
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
4,821,805
10.1
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
1,067,798
10.2
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
316,463
10.3
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
301,347
10.4
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
43,100
10.5
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
21,437
11
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,721,805
12
Arsenal Capital Partners III LP
13D CIK 1541125 · Unknown · Apr 14, 2025
3,559,745
13
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,141,689
14
ROYCE & ASSOCIATES LP
13F CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,756,026
14.1
Royce Small-Cap Opportunity Fund
Fund S000009512 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
495,393
14.2
Royce Micro-Cap Fund
Fund S000009506 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
450,686
14.3
Royce Capital Fund - Micro-Cap Portfolio
Fund S000009496 · Registered fund · Jun 30, 2026
ROYCE CAPITAL FUND, not summed
148,536
15
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,673,186
16
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,666,456
17
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,555,126
18
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,551,111
18.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
33
19
FIRST TRUST ADVISORS LP
13F CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,424,222
19.1
First Trust Small Cap Core AlphaDEX Fund
Fund S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
266,362
19.2
First Trust Small Cap Value AlphaDEX Fund
Fund S000031807 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
35,801
19.3
First Trust Active Factor Small Cap ETF
Fund S000066790 · Registered fund · Aug 31, 2026
First Trust Exchange-Traded Fund VIII, not summed
25,818
19.4
First Trust Multi Cap Value AlphaDEX Fund
Fund S000017342 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
6,190
20
Feehery William F
Insider CIK 1543193 · Nov 11, 2025
Director, issuer-wide
2,360,769
21
Touchstone Strategic Trust-Touchstone Small Company Fund
Fund S000059011 · Registered fund · Jun 30, 2026
Touchstone Strategic Trust, not summed
2,195,407
22
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,160,167
22.1
AQR Managed Futures Strategy HV Fund
Fund S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
136,617
22.2
AQR Trend Total Return Fund
Fund S000074759 · Registered fund · Jun 30, 2026
AQR Funds, not summed
37,628
23
AMERIPRISE FINANCIAL INC
13F CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,030,844
23.1
Columbia Small Cap Value Discovery Fund
Fund S000012102 · Registered fund · Jul 31, 2026
COLUMBIA FUNDS SERIES TRUST I, not summed
1,279,300
23.2
Columbia Variable Portfolio - Small Cap Value Discovery Fund
Fund S000012561 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE INSURANCE TRUST, not summed
231,440
23.3
Columbia Small Cap Index Fund
Fund S000010827 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
178,318
23.4
Columbia Research Enhanced Small Cap ETF
Fund S000095313 · Registered fund · Jun 30, 2026
Columbia ETF Trust I, not summed
184
24
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,998,373
25
SYSTEMATIC FINANCIAL MANAGEMENT LP
13F CIK 1085936 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,892,050
26
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,798,449
27
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,694,983
28
Boston Partners
13F CIK 1386060 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,683,885
29
Dixon Mitchell Investment Counsel Inc.
13F CIK 1993485 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,545,956
30
Kopion Asset Management, LLC
13F CIK 1728689 · Registered investment adviser · Sep 30, 2026
1,532,364
31
Quantinno Capital Management LP
13F CIK 1759654 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,463,251
32
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,384,426
32.1
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
5,670
32.2
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
1,272
33
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,351,135
34
Tejara Capital Ltd
13F CIK 1879713 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,292,721
35
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,210,449
35.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
58,496
35.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
12,324
35.3
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
11,772
36
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,104,605
37
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,093,243
38
Column Small Cap Select Fund
Fund S000082920 · Registered fund · Aug 31, 2026
Trust for Professional Managers, not summed
1,070,403
39
ROYCE MICRO-CAP TRUST, INC.
Fund · Registered fund · Jun 30, 2026
ROYCE MICRO-CAP TRUST, INC., not summed
1,051,418
40
Gotham Asset Management, LLC
13F CIK 1510387 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,047,292
41
ArrowMark Colorado Holdings LLC
13F CIK 1483859 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,001,592
41.1
Meridian Growth Fund
Fund S000001462 · Registered fund · Jun 30, 2026
Meridian Fund Inc, not summed
445,947
41.2
Meridian Small Cap Growth Fund
Fund S000042770 · Registered fund · Jun 30, 2026
Meridian Fund Inc, not summed
223,669
42
CITIGROUP INC
13F CIK 831001 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
981,498
43
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
977,909
43.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
577,263
43.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
282,529
43.3
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
74,790
43.4
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
41,727
44
ROYAL BANK OF CANADA
13F CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
867,767
45
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
772,426
46
Rathbones Group PLC
13F CIK 1351991 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
756,990
47
Russell Investments Group, Ltd.
13F CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
741,168
47.1
U.S. Small Cap Equity Fund
Fund S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
126,679
47.2
Multi-Asset Strategy Fund
Fund S000055522 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
116,078
47.3
Multi-Strategy Income Fund
Fund S000048356 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
50,841
47.4
U.S. Small Cap Equity Fund
Fund S000006864 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
22,588
48
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
731,012
49
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
685,993
50
RENAISSANCE TECHNOLOGIES LLC
13F CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
684,700

28 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 364 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1827090 CUSIP 15687V109 13F (30d) 21 filings 21 filers Visit website Investor relations