Certara
CERT · NASDAQ
$9.79+$0.335 (+3.54%)TodayMarket closed ·
Prev close $9.45
Who owns CERT
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 65.9% of CERT’s shares.
- Arsenal Capital Management LP23.4%
- BlackRock Institutional Trust Company, N.A.10.7%
- Deerfield Management Company, L.P.4.8%
- Haveli Investment Management LLC4.8%
- Next 6 largest institutions22.2%
- All other shareholders34.1%
| Holder | Shares | % of shares |
|---|---|---|
| Arsenal Capital Management LP | 36.35M | 23.36% |
| BlackRock Institutional Trust Company, N.A. | 16.68M | 10.72% |
| Deerfield Management Company, L.P. | 7.51M | 4.83% |
| Haveli Investment Management LLC | 7.40M | 4.76% |
| Jefferies LLC | 7.09M | 4.56% |
| Vanguard Portfolio Management, LLC | 7.06M | 4.54% |
| Dimensional Fund Advisors, L.P. | 6.02M | 3.87% |
| Vanguard Capital Management, LLC | 5.28M | 3.40% |
| State Street Investment Management (US) | 4.82M | 3.10% |
| Wasatch Global Investors Inc | 4.30M | 2.76% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 7.13M | 4.58% |
| Vanguard Total Stock Market Index Fund | 3.72M | 2.39% |
| iShares Russell 2000 ETF | 3.00M | 1.93% |
| Vanguard Small-Cap Index Fund | 2.68M | 1.72% |
| Touchstone Small Company Fund | 2.20M | 1.41% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of CERT in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Mohammed Faiz | Award | 63.53K | — |
| Corcoran Daniel | Option exercise | 14.89K | — |
| Corcoran Daniel | Option exercise | 7.94K | — |
| Corcoran Daniel | Tax withholding | 7.89K | $45.94K |
| Corcoran Daniel | Option exercise | 14.89K | — |
| Corcoran Daniel | Tax withholding | 4.21K | $24.50K |
| Corcoran Daniel | Option exercise | 7.94K | — |
| Anhalt Rona | Option exercise | 7.15K | — |
| Anhalt Rona | Tax withholding | 2.24K | $13.04K |
| Anhalt Rona | Option exercise | 7.15K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 27.70M
- Days to cover
- 8.97
- % of shares outstanding
- 17.81%
- Average daily volume
- 3.09M
- Change since last report
- −3.9%
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