Security Snapshot

GeneDx Holdings Corp. - Common Stock (WGS) Institutional Ownership

CUSIP: 81663L200

13F Institutional Holders and Ownership History from Q1 2023 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

283

Shares (Excl. Options)

30,991,387

Price

$130.06

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Type / Class
Equity / Common Stock
Symbol
WGS on Nasdaq
Shares outstanding
28,736,767
Price per share
$64.22
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
30,991,387
Total reported value
$4,027,500,769
% of total 13F portfolios
0.02%
Share change
+711,831
Value change
+$108,144,670
Number of holders
283
Price from insider filings
$64.22
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • WGS - GeneDx Holdings Corp. - Common Stock is tracked under CUSIP 81663L200.
  • 283 institutions reported positions in Q4 2025.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 283 to 15 between Q4 2025 and Q1 2026.
  • Reported value moved from $4,027,500,769 to $2,260,908.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 283 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 81663L200?
CUSIP 81663L200 identifies WGS - GeneDx Holdings Corp. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of GeneDx Holdings Corp. - Common Stock (WGS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
CMLS Holdings LLC 12% -12% $375,826,799 -$48,159,994 3,630,826 -11% Keith A. Meister 22 Aug 2025
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 4.3% -23% $133,132,271 -$42,634,981 1,235,681 -24% WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 30 Sep 2025
GOLDMAN SACHS GROUP INC 3.9% -26% $122,860,496 -$34,984,913 1,106,752 -22% THE GOLDMAN SACHS GROUP, INC. 31 Mar 2025
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 3% -43% $75,374,001 -$48,643,788 867,265 -39% Summit Partners Public Asset Management, LLC 30 Jun 2025
FMR LLC 0.6% -94% $14,194,477 -$228,627,966 163,324 -94% FMR LLC 30 Jun 2025

As of 31 Dec 2025, 283 institutional investors reported holding 30,991,387 shares of GeneDx Holdings Corp. - Common Stock (WGS). This represents 108% of the company’s total 28,736,767 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of GeneDx Holdings Corp. - Common Stock (WGS) together control 79% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Corvex Management LP 11% 3,058,629 0% 13% $397,805,288
Casdin Capital, LLC 10% 3,007,164 0% 24% $391,111,750
BlackRock, Inc. 5.4% 1,560,094 +2% 0% $202,905,825
GOLDMAN SACHS GROUP INC 4.2% 1,220,502 +4.5% 0.02% $158,738,491
VANGUARD GROUP INC 4.1% 1,189,069 +1.6% 0% $154,650,315
FRANKLIN RESOURCES INC 3.8% 1,092,988 +60% 0.03% $142,154,023
WESTFIELD CAPITAL MANAGEMENT CO LP 3.5% 1,018,261 +87% 0.55% $132,435,026
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 3.2% 920,587 +12% 3.4% $119,731,545
ORACLE INVESTMENT MANAGEMENT INC 3.1% 884,654 -0.6% 75% $115,058,099
FMR LLC 2.9% 832,738 +65% 0.01% $108,305,906
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2.8% 809,210 -34% 0.29% $105,245,853
Invesco Ltd. 2.7% 786,466 +59% 0.02% $102,287,768
ARK Investment Management LLC 2.1% 604,561 +35% 0.52% $78,629,240
Zweig-DiMenna Associates LLC 2.1% 597,825 -0.74% 5.5% $77,753,120
T. Rowe Price Investment Management, Inc. 2% 584,150 -19% 0.05% $75,975,000
LORD, ABBETT & CO. LLC 1.8% 518,304 -1.3% 0.21% $67,411,000
MORGAN STANLEY 1.8% 506,091 +8.2% 0% $65,822,282
RAYMOND JAMES FINANCIAL INC 1.8% 505,341 +6.3% 0.02% $65,531,959
GEODE CAPITAL MANAGEMENT, LLC 1.8% 504,567 +3.1% 0% $65,635,200
STATE STREET CORP 1.6% 456,258 +3.7% 0% $59,340,915
PRICE T ROWE ASSOCIATES INC /MD/ 1.4% 413,991 +25% 0.01% $53,844,000
Driehaus Capital Management LLC 1.4% 395,323 -3.6% 0.35% $51,415,709
WELLINGTON MANAGEMENT GROUP LLP 1.3% 384,750 -2.8% 0.01% $50,040,585
Sumitomo Mitsui Trust Group, Inc. 1.3% 381,725 +31% 0.03% $49,647,154
Amova Asset Management Americas, Inc. 1.3% 381,725 +31% 0.57% $49,647,154

Institutional Holders of GeneDx Holdings Corp. - Common Stock (WGS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 34,995 $2,260,908 -$8,381,096 $64.22 15
2025 Q4 30,991,387 $4,027,500,769 +$108,144,670 $130.06 283
2025 Q3 30,101,297 $3,243,312,025 -$145,765,886 $107.74 265
2025 Q2 31,497,581 $2,907,518,951 +$295,483,780 $92.31 227
2025 Q1 28,348,693 $2,510,002,958 +$418,104,940 $88.56 223
2024 Q4 23,530,792 $1,808,818,954 +$346,627,584 $76.86 197
2024 Q3 18,827,893 $799,061,927 +$96,660,873 $42.44 133
2024 Q2 16,284,875 $425,689,987 +$75,857,439 $26.14 85
2024 Q1 13,907,881 $126,979,303 +$14,714,242 $9.13 56
2023 Q4 12,439,878 $34,209,188 -$4,757,540 $2.75 45
2023 Q3 13,944,728 $50,758,465 -$946,527 $3.64 52
2023 Q2 13,953,489 $83,162,048 -$76,091,712 $5.96 56
2023 Q1 26,718,966 $9,627,559 +$9,627,559 $0.36 2