GeneDx Holdings Corp. - Common Stock (WGS)

CUSIP: 81663L200

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
28,736,767
Total 13F shares
30,993,264
Share change
+711,831
Total reported value
$4,027,744,892
Put/Call ratio
108%
Price per share
$130.06
Number of holders
284
Value change
+$108,144,670
Number of buys
141
Number of sells
140

Quarterly Holders Quick Answers

What is CUSIP 81663L200?
CUSIP 81663L200 identifies WGS - GeneDx Holdings Corp. - Common Stock in SEC institutional holdings data.

Need full ownership history?
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Top shareholders of WGS - GeneDx Holdings Corp. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
CMLS Holdings LLC
13D/G
Keith A. Meister
12%
3,630,826
$375,826,799 -$48,159,994 22 Aug 2025
Casdin Capital, LLC
3/4/5 13F
Director, 10%+ Owner · Company
11%
3,027,682
$365,701,673 -$60,451,950 22 Aug 2025
Eli Casdin
3/4/5
Director, 10%+ Owner
14%
3,880,073
$337,217,143 18 Jun 2025
Corvex Management LP
13F 3/4/5
Company · Director, 10%+ Owner
11%
3,058,629
$329,536,688 30 Sep 2025
ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
3/4/5 13D/G
10%+ Owner
4.9%
from 13D/G
2,719,692
$192,487,561 15 Nov 2024
BlackRock, Inc.
13F
Company
5.3%
1,529,075
$164,742,539 30 Sep 2025
13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13D/G 13F
Company
4.3%
1,235,681
$133,132,271 -$42,634,981 30 Sep 2025
VANGUARD GROUP INC
13F
Company
4.1%
1,170,422
$126,101,267 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F 13D/G
Company · THE GOLDMAN SACHS GROUP, INC.
3.9%
from 13D/G
1,168,180
$125,859,714 30 Sep 2025
ORACLE INVESTMENT MANAGEMENT INC
13F
Company
3.1%
889,954
$95,883,644 30 Sep 2025
13F
OPKO HEALTH, INC.
3/4/5
10%+ Owner
class O/S missing
2,646,972
$91,295,123 15 Aug 2024
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
13F 13D/G
Company
3%
from 13D/G
823,567
$88,731,109 30 Sep 2025
T. Rowe Price Investment Management, Inc.
13F
Company
2.5%
718,003
$77,358,000 30 Sep 2025
13F
FRANKLIN RESOURCES INC
13F
Company
2.4%
681,381
$73,411,935 30 Sep 2025
13F
Zweig-DiMenna Associates LLC
13F
Company
2.1%
602,300
$64,891,802 30 Sep 2025
13F
JENNISON ASSOCIATES LLC
13F
Company
2.1%
598,426
$64,474,418 30 Sep 2025
13F
WESTFIELD CAPITAL MANAGEMENT CO LP
13F
Company
1.9%
544,094
$58,620,688 30 Sep 2025
13F
LORD, ABBETT & CO. LLC
13F
Company
1.8%
525,377
$56,604,000 30 Sep 2025
13F
FMR LLC
13F 13D/G
Company
0.6%
from 13D/G
503,309
$54,226,598 30 Sep 2025
Invesco Ltd.
13F
Company
1.7%
494,072
$53,231,317 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.7%
489,397
$52,735,613 30 Sep 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
1.7%
475,543
$51,235,002 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
1.6%
467,812
$50,402,119 30 Sep 2025
13F
ARK Investment Management LLC
13F
Company
1.6%
446,979
$48,157,485 30 Sep 2025
13F
STATE STREET CORP
13F
Company
1.5%
439,806
$47,384,698 30 Sep 2025
13F
Pentwater Capital Management LP
13F
Company
1.5%
425,000
$45,789,500 30 Sep 2025
13F
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
1.4%
410,030
$44,176,632 30 Sep 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
1.4%
395,731
$42,636,058 30 Sep 2025
13F
ALLIANCEBERNSTEIN L.P.
13F
Company
1.3%
360,063
$38,793,188 30 Sep 2025
13F
FRED ALGER MANAGEMENT, LLC
13F
Company
1.2%
357,302
$38,495,717 30 Sep 2025
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
mixed-class rows
575,188
mixed-class rows
$35,732,000 30 Sep 2025
13F
Sumitomo Mitsui Trust Group, Inc.
13F
Company
1%
292,255
$31,487,554 30 Sep 2025
13F
Amova Asset Management Americas, Inc.
13F
Company
1%
292,255
$31,443,715 30 Sep 2025
13F
Joshua Ruch
3/4/5
Director
0.65%
185,990
$29,229,921 -$6,093,967 24 Nov 2025
GAGNON SECURITIES LLC
13F
Company
0.94%
269,066
$28,989,171 30 Sep 2025
13F
MACQUARIE GROUP LTD
13F
Company
0.94%
269,040
$28,986,000 30 Sep 2025
13F
NEXT CENTURY GROWTH INVESTORS LLC
13F
Company
0.81%
234,109
$25,222,903 30 Sep 2025
13F
Science & Technology Partners, L.P.
13F
Company
0.78%
224,073
$24,141,625 30 Sep 2025
13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
Company
0.73%
209,255
$22,545,134 30 Sep 2025
13F
NORTHERN TRUST CORP
13F
Company
0.72%
206,461
$22,244,109 30 Sep 2025
13F
Alamea Verwaltungs GmbH
13F
Company
0.68%
195,988
$21,115,747 30 Sep 2025
13F
OBERWEIS ASSET MANAGEMENT INC/
13F
Company
0.67%
193,920
$20,892,941 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.66%
190,940
$20,571,876 30 Sep 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
0.64%
183,067
$19,723,837 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.61%
176,503
$19,016,433 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.57%
164,545
$17,728,078 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
0.57%
162,749
$17,534,556 30 Sep 2025
13F
Blackstone Tactical Opportunities Fund - FD L.P.
3/4/5
10%+ Owner
0.35%
100,000
$16,752,000 22 Jul 2021
UBS Group AG
13F
Company
mixed-class rows
150,166
mixed-class rows
$16,138,308 30 Sep 2025
13F
Jason Ryan
3/4/5
Director
0.4%
115,188
$14,971,290 -$4,995,801 27 Aug 2025

Institutional Holders of GeneDx Holdings Corp. - Common Stock (WGS) as of Q4 2025

As of 31 Dec 2025, GeneDx Holdings Corp. - Common Stock (WGS) was held by 284 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 30,993,264 shares. The largest 10 holders included Corvex Management LP, Casdin Capital, LLC, BlackRock, Inc., GOLDMAN SACHS GROUP INC, VANGUARD GROUP INC, FRANKLIN RESOURCES INC, WESTFIELD CAPITAL MANAGEMENT CO LP, SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC, ORACLE INVESTMENT MANAGEMENT INC, and FMR LLC. This page lists 284 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
265
Q4 2025 holders
284
Holder diff
19
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.