GeneDx Holdings Corp.
Total Trades
224
Buys
13
Sells
118
Largest Trade
N/A
Insiders
18
Institutional Funds
229
Inst. Value
$1M+
Activist Filings
22
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Stueland Katherine | CEO | SELL | $100K–$500K | 3K | $93.00 | Jul 11, 2025 |
| Stueland Katherine | CEO | SELL | $500K+ | 10K | $90.94 | Jul 3, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 1K | $91.12 | Jul 3, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 19K | — | Jun 18, 2025 |
| Stueland Katherine | CEO | SELL | $500K+ | 11K | $64.77 | Jun 18, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 4K | $64.77 | Jun 18, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 7K | — | Jun 18, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 2K | — | Jun 11, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $50K–$100K | 1K | $72.55 | Jun 11, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 7K | — | Jun 11, 2025 |
| Stueland Katherine | CEO | SELL | $100K–$500K | 4K | $72.55 | Jun 11, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $15K–$50K | 370 | $71.26 | Jun 3, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 718 | — | Jun 3, 2025 |
| Meister Keith A. | Director | BUY | $1M+ | 50K | $60.16 | May 16, 2025 |
| Meister Keith A. | Director | BUY | $1M+ | 100K | $56.01 | May 12, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 753 | — | May 1, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $15K–$50K | 388 | $113.09 | May 1, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | GRANT | $15K–$50K | 420 | $56.82 | May 1, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 4K | — | May 1, 2025 |
| Stueland Katherine | CEO | SELL | $100K–$500K | 2K | $113.09 | May 1, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | $15K–$50K | 1K | $32.67 | Apr 10, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $1M+ | 16K | $92.18 | Apr 10, 2025 |
| Stueland Katherine | CEO | SELL | $1M+ | 47K | $89.62 | Apr 10, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $500K+ | 9K | $95.61 | Mar 28, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 16K | — | Mar 28, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 80K | — | Mar 28, 2025 |
| Stueland Katherine | CEO | SELL | $1M+ | 47K | $95.62 | Mar 28, 2025 |
| Stueland Katherine | CEO | SELL | $1M+ | 12K | $96.04 | Mar 18, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 19K | — | Mar 18, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 4K | $96.07 | Mar 18, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 7K | — | Mar 18, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $50K–$100K | 922 | $94.72 | Mar 11, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 2K | — | Mar 11, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 7K | — | Mar 11, 2025 |
| Stueland Katherine | CEO | SELL | $100K–$500K | 3K | $94.73 | Mar 11, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $15K–$50K | 275 | $78.48 | Jan 31, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 753 | — | Jan 31, 2025 |
| Stueland Katherine | CEO | SELL | $100K–$500K | 2K | $78.48 | Jan 31, 2025 |
| Stueland Katherine | CEO | EXERCISE | N/A | 4K | — | Jan 31, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | $100K–$500K | 11K | $32.67 | Jan 10, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $1M+ | 36K | $93.82 | Jan 10, 2025 |
| Stueland Katherine | CEO | SELL | $1M+ | 51K | $94.48 | Jan 10, 2025 |
| Stueland Katherine | CEO | SELL | $1M+ | 18K | $78.18 | Jan 6, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 1K | $76.04 | Jan 6, 2025 |
| Feeley Kevin | CHIEF FINANCIAL OF… | EXERCISE | N/A | 718 | — | Dec 4, 2024 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $15K–$50K | 263 | $78.39 | Dec 4, 2024 |
| Feeley Kevin | CHIEF FINANCIAL OF… | SELL | $1M+ | 22K | $74.81 | Nov 25, 2024 |
| Ryan Jason | Director | SELL | $1M+ | 47K | $70.57 | Nov 22, 2024 |
| ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | 10% Owner | SELL | $1M+ | 147K | $70.64 | Nov 20, 2024 |
| Stueland Katherine | CEO | SELL | $1M+ | 45K | $70.41 | Nov 20, 2024 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 229 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1.0M | $1M+ | SH |
| VANGUARD GROUP INC | 1.0M | $1M+ | SH |
| ORACLE INVESTMENT MANAGEMENT INC | 885K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 809K | $1M+ | SH |
| ARK Investment Management LLC | 605K | $1M+ | SH |
| Zweig-DiMenna Associates LLC | 598K | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 505K | $1M+ | SH |
| STATE STREET CORP | 456K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 438K | $1M+ | SH |
| Amova Asset Management Americas, Inc. | 382K | $1M+ | SH |
| Sumitomo Mitsui Trust Group, Inc. | 382K | $1M+ | SH |
| RAYMOND JAMES FINANCIAL INC | 352K | $1M+ | SH |
| Capital International Investors | 283K | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 258K | $1M+ | SH |
| GAGNON SECURITIES LLC | 254K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 253K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 227K | $1M+ | SH |
| Assenagon Asset Management S.A. | 206K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 193K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 177K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
SC 13G/A · Nov 12, 2025
4.3%
1.2M shares
SC 13D/A · Aug 26, 2025
1.9%
537K shares
Summit Partners Public Asset Management, LLC
SC 13G/A · Aug 14, 2025
3.0%
867K shares
SC 13G/A · Aug 6, 2025
0.6%
163K shares
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
SC 13G · Jul 30, 2025
5.7%
1.6M shares
SC 13G · May 12, 2025
10.0%
2.8M shares
SC 13G/A · May 9, 2025
3.9%
1.1M shares
SC 13D/A · May 7, 2025
1.9%
537K shares
Summit Partners Public Asset Management, LLC
SC 13G · Feb 12, 2025
5.2%
1.4M shares
SC 13G · Feb 5, 2025
5.2%
1.4M shares
SC 13D/A · Nov 21, 2024
5.0%
1.4M shares
SC 13D/A · Nov 8, 2024
6.4%
1.7M shares
SC 13G/A · Nov 8, 2024
5.0%
1.3M shares
SC 13D/A · Sep 18, 2024
8.1%
2.2M shares
SC 13D/A · Aug 23, 2024
9.3%
2.5M shares
SC 13D/A · Aug 12, 2024
10.4%
2.8M shares
SC 13D/A · Jul 26, 2024
11.9%
3.1M shares
SC 13D/A · Jul 5, 2024
13.3%
3.5M shares
SC 13D/A · May 31, 2024
2.1%
537K shares
SC 13G · Feb 10, 2024
7.0%
1.8M shares
SC 13D/A · Nov 17, 2023
2.1%
537K shares
SC 13G/A · Jun 9, 2023
2.4%
611K shares