Institutional filer · SEC 13F · Q3 2024

Castellan Group

The reported 13F portfolio of Castellan Group (CIK 1832521) - top holdings, how concentrated the book is, and what changed last quarter.

$237.2M
Reported book
59
Positions
#174
of 360 filers
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The verdict

According to SEC Form 13F-HR filings in this corpus, Castellan Group ranks #174 of 360 institutional filers by reported book value (largest first), matching the /funds listing. As of Q3 2024 the reported book is $237.2M across 59 positions, a broadly diversified portfolio.

$237.2M
reported 13F value
59
disclosed positions
4.3%
in NRG ENERGY INC
#174
of 360 filers

Top-5 share 17.7% → SPREAD book (largest five positions vs the rest of the reported 13F book).

According to SEC Form 13F-HR filings in this corpus, Castellan Group ranks #174 of 360 institutional filers by reported book value (largest first), matching the /funds listing.

Where Castellan Group sits by disclosed position count

Castellan Group reports 59 13F positions among 360 filers with holdings (inventory signal, not a quality ranking). Orthogonal to book-value rank.

Castellan Group vs all filers by holding count

Where this filer's disclosed position inventory sits among every tracked 13F manager

59 249th of 360 higher than 111 of 360 filers

Filers, banded by disclosed position count

Each bar is a band; taller bars hold more filers. 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 · 2026-05-16

Concentration vs. book size among peer filers

Castellan Group reports a book ($0.24B) concentrated across only 59 disclosed positions -- fewer than the 104-position median among similarly sized filers.

Reported book value vs. disclosed position count

16 tracked 13F filers plotted by reported book value and disclosed position count; Castellan Group highlighted. Source: SEC Form 13F-HR filings, 2026-05-16. 2×2 strategic matrix plotting 16 entities by Reported book value ($B) (X) and Disclosed positions (Y), with a crosshair dividing the plot into four quadrants. Large & diversifiedSmall & diversifiedConcentrated giantSmall & concentrated $0.2B$0.2B$0.2B$0.2B$0.3B$0.3B 0100200300400 Reported book value ($B) Disclosed positions Reported book value vs. disclosed position count
16 tracked 13F filers plotted by reported book value and disclosed position count; Castellan Group highlighted. Source: SEC Form 13F-HR filings, 2026-05-16.

How 13F filings are computed · All institutional filers · Largest filers by value

SEC Form 13F-HR filing desk

CIK 1832521 · Q3 2024 $237M book

BOOK-MID · POS-FOCUS · CONC-BROAD · LEAD-MIX · PHOTO-FINISH · TREND-FLAT · FY-SNAPSHOT

  • BOOK-MID #174/360
  • POS-FOCUS 59 names
  • CONC-BROAD 18% top-5
  • LEAD-MIX 4.3% top
  • PHOTO-FINISH New Century Financia…
  • TREND-FLAT Book steady
  • FY-SNAPSHOT Q3 2024

Photo-finish peer on reported book: New Century Financial Group, LLC

Read with: Institutional investor types - Manager type shapes what a 13F book represents — RIAs, hedge funds, and banks file the same form differently.

Reported-book neighbourhood · Castellan Group

Nearest tracked filers by aggregate 13F reported book, not a full corpus reprint.

Castellan · this filer$237MNew Century Financia… · near$235MRule One Partners, · near$234MWealth Associates, . · near$233MCHELSEA COUNSEL · near$233M
Aggregate reported 13F book value ($)
Castellan Group's largest reported positions
  1. 1

    4.3% of book

  2. 2

    3.8% of book

  3. 3

    3.7% of book

  4. 4

    2.9% of book

  5. 5

    2.8% of book

  6. 6

    2.8% of book

Top 6 of 59 positions by value · Q3 2024

How the reported book breaks down

$237.2M decomposed into the top 5 reported positions (shown below) versus every other disclosed position.

Top 5 positions: $41.9M (17.7%) Remaining 54 positions: $195.3M (82.3%)

Top Reported Holdings

# Security Value % of book
1 NRG ENERGY INC $10.3M 4.3%
2 MICROSOFT CORP $9.1M 3.8%
3 APPLOVIN CORP $8.8M 3.7%
4 MODINE MFG CO $7.0M 2.9%
5 UNITED RENTALS INC $6.7M 2.8%
6 MERITAGE HOMES CORP $6.6M 2.8%
7 NVIDIA CORPORATION $6.5M 2.8%
8 HALOZYME THERAPEUTICS INC $6.5M 2.8%
9 CATERPILLAR INC $6.5M 2.7%
10 KB HOME $6.5M 2.7%
11 TENET HEALTHCARE CORP $6.3M 2.7%
12 BOOKING HOLDINGS INC $6.2M 2.6%
13 VICTORIAS SECRET AND CO $6.2M 2.6%
14 ABRDN PRECIOUS METALS BASKET $6.1M 2.6%
15 CINEMARK HLDGS INC $6.1M 2.6%
16 KLA CORP $5.9M 2.5%
17 FRONTDOOR INC $5.9M 2.5%
18 GAP INC $5.9M 2.5%
19 CHENIERE ENERGY INC $5.5M 2.3%
20 SELECT SECTOR SPDR TR $5.3M 2.3%
21 CHEWY INC $5.3M 2.2%
22 MCKESSON CORP $5.0M 2.1%
23 EXTRA SPACE STORAGE INC $4.2M 1.8%
24 PUBLIC STORAGE OPER CO $3.9M 1.7%
25 UDR INC $3.9M 1.6%

Latest Quarter Trades · Q3 2024

New positions (59)

Frequently Asked Questions

How big is Castellan Group's 13F portfolio?
Castellan Group reports $237.2M of long US-equity positions across 59 securities as of Q3 2024. This reflects 13F-disclosed holdings only, it is not the firm's total assets under management.
Where does Castellan Group sit among tracked 13F filers?
According to SEC Form 13F-HR filings in this corpus, Castellan Group ranks #174 of 360 institutional filers by reported book value (largest first), matching the /funds listing. The ordinal is recomputed live from filers with reported book value > 0. See /methodology/#corpus-placement.
What is Castellan Group's largest position?
Castellan Group's largest reported position is NRG ENERGY INC at $10.3M, about 4.3% of its reported book as of Q3 2024.
What did Castellan Group trade last quarter?
In its Q3 2024 filing, Castellan Group opened 59 new positions. Each change is drawn from a line in the firm's 13F-HR filing and can be verified on SEC EDGAR.

Nationwide filers with similar book size or holding count

Two 13F-derived peer sets for Castellan Group: nearest reported book value and nearest holding inventory, not catalog browse links.

Using this filing

  • The rankings sort every tracked filer the same way Castellan Group was placed above, so you can see exactly how the rest of the field compares. View the rankings
  • New Century Financial Group, LLC reported the nearest book value ($235.4M) this quarter, a useful scale comparison for Castellan Group. Compare filers
  • 13F-HR reports long US-listed equity positions only, not total AUM, short positions, or non-equity holdings, treat the reported book as a partial picture. Read the methodology

Form 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Reported value is not total AUM.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q3 2024 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Reported value is not total AUM.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Filer holdings, changes, and reported book 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 2026-05-16.