FOSTER GROUP INC
Q2 2025 Form 13-F
WEST DES MOINES, IOWA
CIK 0001841544
· CRD 107148
· SEC-registered investment adviser
$2.9B Reported Value Total
FOSTER GROUP, INC. reports 5,481 total accounts under management (AUM). There are 5,425 discretionary accounts valued at $3,525,456,933, and 56 non-discretionary accounts valued at $17,541,220.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Source: Form ADV filed 2026-10-12
Reported value
$2.9B
Quarter over quarter
+6.3%
Holdings
264
Top-10 concentration
55.4%
Key People
Form ADV owners & control persons
Gregory John Olsen
CHIEF EXECUTIVE OFFICER, BOARD MEMBER
Mark Alan Stadtlander
OWNER
Brenton Lowell Carlson
LEAD ADVISOR, OWNER
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13F Metrics
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Q2 2025 13F record
Q2 2025 13F filing summary
| Period of report | June 30, 2025 |
|---|---|
| Filed | July 14, 2025 |
| Form | 13F-HR |
| Reported value | $2.9B |
| Positions | 264 |
| Change in reported value | +9.3% |
| New positions | 51 |
| Exited positions | 11 |
| Position turnover | 22.6% |
| Top-10 concentration | 55.4% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Oct 13, 2026
|
314 | $3.7B |
|
Q2 2026 13F
Filed Jul 7, 2026
|
318 | $3.8B |
|
Q1 2026 13F
Filed Apr 13, 2026
|
284 | $3.4B |
|
Q4 2025 13F
Filed Jan 12, 2026
|
300 | $3.3B |
|
Q3 2025 13F
Filed Oct 14, 2025
|
268 | $3.2B |
|
Q2 2025 13F
Filed Jul 14, 2025
|
264 | $2.9B |
|
Q1 2025 13F
Filed Apr 11, 2025
|
224 | $2.7B |
|
Q4 2024 13F
Filed Jan 23, 2025
|
198 | $2.6B |
|
Q3 2024 13F
Filed Oct 7, 2024
|
203 | $2.7B |
|
Q2 2024 13F
Filed Jul 30, 2024
|
196 | $2.5B |
|
Q1 2024 13F
Filed Apr 9, 2024
|
198 | $2.0B |
|
Q4 2023 13F
Filed Feb 1, 2024
|
168 | $1.6B |
|
Q3 2023 13F
Filed Oct 27, 2023
|
168 | $1.6B |
|
Q2 2023 13F
Filed Jul 10, 2023
|
171 | $1.7B |
|
Q1 2023 13F
Filed Apr 6, 2023
|
162 | $1.6B |
|
Q4 2022 13F
Filed Jan 24, 2023
|
146 | $1.3B |
|
Q3 2022 13F
Filed Oct 13, 2022
|
134 | $1.2B |
|
Q2 2022 13F
Filed Jul 25, 2022
|
140 | $1.4B |
|
Q1 2022 13F
Filed Apr 22, 2022
|
140 | $1.2B |
|
Q4 2021 13F
Filed Feb 2, 2022
|
140 | $1.2B |
4 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q2 2025
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | VTI VANGUARD INDEX FDS | $402.5M | 13.78% |
| 2 | VTV VANGUARD INDEX FDS | $207.6M | 7.11% |
| 3 | BND VANGUARD BD INDEX FDS | $156.6M | 5.36% |
| 4 | VEA VANGUARD TAX-MANAGED FDS | $156.3M | 5.35% |
| 5 | DFIV DIMENSIONAL ETF TRUST | $143.3M | 4.91% |
| 6 | VGIT VANGUARD SCOTTSDALE FDS | $133.6M | 4.57% |
| 7 | QUAL ISHARES TR | $125.6M | 4.3% |
| 8 | DFLV DIMENSIONAL ETF TRUST | $114.4M | 3.91% |
| 9 | DFAE DIMENSIONAL ETF TRUST | $104.6M | 3.58% |
| 10 | DUHP DIMENSIONAL ETF TRUST | $73.8M | 2.53% |
| 11 | MTUM ISHARES TR | $71.9M | 2.46% |
| 12 | DFNM DIMENSIONAL ETF TRUST | $71.3M | 2.44% |
| 13 | DFUS DIMENSIONAL ETF TRUST | $68.0M | 2.33% |
| 14 | AVUV AMERICAN CENTY ETF TR | $63.0M | 2.16% |
| 15 | IDEV ISHARES TR | $57.7M | 1.98% |
| 16 | DFUV DIMENSIONAL ETF TRUST | $56.4M | 1.93% |
| 17 | IVV ISHARES TR | $51.4M | 1.76% |
| 18 | ICSH ISHARES TR | $46.8M | 1.6% |
| 19 | AVDV AMERICAN CENTY ETF TR | $46.6M | 1.59% |
| 20 | VTEB VANGUARD MUN BD FDS | $44.7M | 1.53% |
Values as reported on the Q2 2025 Form 13F. Every position is in the holdings table below.