Stock ownership · SEC 13F · Q4 2025

CONSTELLATION ENERGY COR

Institutional ownership of CONSTELLATION ENERGY COR (CUSIP 21037T109) - who holds it, how concentrated it is, and what moved last quarter.

$28.9M
Reported value
14
Institutions
94%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, CONSTELLATION ENERGY COR ranks #286 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 14 institutions report $28.9M as of Q4 2025, with ownership heavily concentrated in a handful of holders.

14
institutions hold it
$28.9M
reported 13F value
94%
held by top 5
#286
of 775 by value

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, CONSTELLATION ENERGY COR ranks #286 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 21037T109 · Q4 2025 $29M reported

VALUE-MID · HOLDERS-NARROW · CONC-DOM · PHOTO-FINISH · ACTIVITY-QUIET · BOOK-FULL

  • VALUE-MID #286/775
  • HOLDERS-NARROW 14 filers
  • CONC-DOM 94% top-5
  • PHOTO-FINISH HUBSPOT
  • ACTIVITY-QUIET 0 new
  • BOOK-FULL 8Q history

Photo-finish peer on reported value: HUBSPOT INC

Read with: Ownership concentration guide - CONSTELLATION ENERGY COR's top-five holders account for 94% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · CONSTELLATION ENERGY COR

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

AUTOMATIC DATA PROCESSING IN…$29MBLACKROCK NEW · near$29MCONSTELLATION ENERGY COR · t…$29MHUBSPOT · near$29MVANGUARD INTL EQUITY INDEX F…$29M
Aggregate reported institutional value ($)

CONSTELLATION ENERGY COR vs. the broadly-held institutional universe

Where this security's reporting-institution count sits among tracked 13F securities

14 Top 39% higher than 61% of 216 securities

Broadly-held tracked securities, banded by reporting-institution count

Each bar is a band; taller bars hold more securities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source SEC Form 13F-HR filings · Q4 2025

Largest institutional holders of CONSTELLATION ENERGY COR
  1. 1
    Pacer Advisors, Inc. $20.2M
  2. 2
    GROUPAMA ASSET MANAGMENT $3.2M
  3. 3
    Tempo Wealth, LLC $1.6M
  4. 4
    Banque Transatlantique SA $1.5M
  5. 5
    Oak Grove Capital LLC $601K
  6. 6
    MARINER INVESTMENT GROUP LLC $563K

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a CONSTELLATION ENERGY COR position has risen from 8 to 14 over the last 8 quarters of 13F filings.

05101520 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 14
Distinct 13F filers holding CONSTELLATION ENERGY COR, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Pacer Advisors, Inc. 57,182 $20.2M 69.9%
2 GROUPAMA ASSET MANAGMENT 8,977 $3.2M 11.0%
3 Tempo Wealth, LLC 4,619 $1.6M 5.6%
4 Banque Transatlantique SA 4,147 $1.5M 5.0%
5 Oak Grove Capital LLC 1,700 $601K 2.1%
6 MARINER INVESTMENT GROUP LLC 30,000 $563K 1.9%
7 BDFS Capital LLC 1,267 $448K 1.5%
8 MidFirst Bank 1,119 $395K 1.4%
9 DGS Capital Management, LLC 568 $201K 0.7%
10 Strategic Investment Solutions, Inc. /IL 188 $66K 0.2%
11 Anchor Investment Management, LLC 155 $55K 0.2%
12 Bell Investment Advisors, Inc 142 $50K 0.2%
13 TD Capital Management LLC 109 $39K 0.1%
14 Compass Financial Services Inc 75 $27K 0.1%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among CONSTELLATION ENERGY COR's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
93.0%
Shared-defined discretion (DFND)
7.0%

Frequently Asked Questions

How many institutions hold CONSTELLATION ENERGY COR?▼
CONSTELLATION ENERGY COR is held by 14 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does CONSTELLATION ENERGY COR sit among tracked securities?▼
According to SEC Form 13F-HR filings in this corpus, CONSTELLATION ENERGY COR ranks #286 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of CONSTELLATION ENERGY COR?▼
Institutions report $28.9M of CONSTELLATION ENERGY COR as of Q4 2025.
How concentrated is ownership of CONSTELLATION ENERGY COR?▼
The top five institutional holders account for 94% of the reported institutional value in CONSTELLATION ENERGY COR, making ownership heavily concentrated in a handful of holders.
Who is the largest institutional holder of CONSTELLATION ENERGY COR?▼
Pacer Advisors, Inc. is the largest reported holder of CONSTELLATION ENERGY COR with $20.2M across 57,182 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for CONSTELLATION ENERGY COR: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($28.9M here).

HUBSPOT INC $28.9M BLACKROCK INC NEW $29.0M VANGUARD INTL EQUITY INDEX F $28.7M AUTOMATIC DATA PROCESSING IN $29.2M

Similar holder count

Nearest stocks by number of disclosing 13F holders (14 here).

ALTRIA GROUP INC 14 AMPHENOL CORP NEW 14 AT&T INC 14 BOOKING HLDGS INC 14

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-09-26.