Grants paid by Tamias Foundation Inc C/O Knollwood Investment Advisory
EIN 51-0438443 · Hunt Valley, MD · Form 990-PF, Part XV · NTEE T21
Tamias Foundation Inc C/O Knollwood Investment Advisory of Hunt Valley, MD (EIN 51-0438443) reported 20 grants paid totaling $10,281,297 to 5 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$10,281,297
20 grants
Recipients
5
distinct organizations
Tax years
2020–2024
4 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 5 | $1,749,384 | — |
| 2022 | 5 | $3,310,748 | — |
| 2023 | 5 | $2,693,496 | — |
| 2024 | 5 | $2,527,669 | — |
Top recipients
The 5 recipients receiving the most from Tamias Foundation Inc C/O Knollwood Investment Advisory, by grants paid, out of 5 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Rosemoor Foundation 13-3281516 | C | New York, NY | 4 | $7,813,785 | 2024 |
| Catholic Relief Services Inc 13-5563422 | B | Baltimore, MD | 4 | $616,878 | 2024 |
| Mount St Mary's Seminary 52-0591672 | D | Emmitsburg, MD | 4 | $616,878 | 2024 |
| Oakcrest School 52-1182755 | C | Mclean, VA | 4 | $616,878 | 2024 |
| Eternal Word Television Network Inc 63-0801391 | B | Irondale, AL | 4 | $616,878 | 2024 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 20 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Rosemoor Foundation Inc New York, NY | C | $1,921,029 | paid | TO PROVIDE FINANCIAL SUPPORT FOR A VARIETY OF APOSTOLIC INITIATIVES, CENTERS AND ACTIVITIES WHOSE ORIGIN AND MISSION ARE INSPIRED BY THE CATHOLIC PRELATURE OF OPUS DEI | 202533169349103028 |
| 2024 | Catholic Relief Services Baltimore, MD | B | $151,660 | paid | TO ASSIST IMPOVERISHED AND DISADVANTAGED PEOPLE OVERSEAS | 202533169349103028 |
| 2024 | Eternal Word Television Network Inc Irondale, AL | B | $151,660 | paid | TO OPERATE TELEVISION, RADIO, AND INTERNET MEDIA NETWORKS FROM A CATHOLIC PERSPECTIVE | 202533169349103028 |
| 2024 | Mount St Mary's Seminary Emmitsburg, MD | D | $151,660 | paid | PREPARES MEN FOR THE CATHOLIC MINISTERIAL PRIESTHOOD | 202533169349103028 |
| 2024 | Oakcrest School Mclean, VA | C | $151,660 | paid | TO CHALLENGE GIRLS IN GRADES 6-12 TO DEVELOP THEIR INTELLECT, CHARACTER, FAITH AND LEADERSHIP POTENTIAL TO SUCCEED IN COLLEGE AND THROUGHOUT THEIR LIVES | 202533169349103028 |
| 2023 | Rosemoor Foundation Inc New York, NY | C | $2,047,056 | paid | TO PROVIDE FINANCIAL SUPPORT FOR A VARIETY OF APOSTOLIC INITIATIVES, CENTERS AND ACTIVITIES WHOSE ORIGIN AND MISSION ARE INSPIRED BY THE CATHOLIC PRELATURE OF OPUS DEI | 202433199349100543 |
| 2023 | Oakcrest School Mclean, VA | C | $161,610 | paid | TO CHALLENGE GIRLS IN GRADES 6-12 TO DEVELOP THEIR INTELLECT, CHARACTER, FAITH AND LEADERSHIP POTENTIAL TO SUCCEED IN COLLEGE AND THROUGHOUT THEIR LIVES | 202433199349100543 |
| 2023 | Catholic Relief Services Baltimore, MD | B | $161,610 | paid | TO ASSIST IMPOVERISHED AND DISADVANTAGED PEOPLE OVERSEAS | 202433199349100543 |
| 2023 | Eternal Word Television Network Inc Irondale, AL | B | $161,610 | paid | TO OPERATE TELEVISION, RADIO, AND INTERNET MEDIA NETWORKS FROM A CATHOLIC PERSPECTIVE | 202433199349100543 |
| 2023 | Mount St Mary's Seminary Emmitsburg, MD | D | $161,610 | paid | PREPARES MEN FOR THE CATHOLIC MINISTERIAL PRIESTHOOD | 202433199349100543 |
| 2022 | Rosemoor Foundation Inc New York, NY | C | $2,516,168 | paid | TO PROVIDE FINANCIAL SUPPORT FOR A VARIETY OF APOSTOLIC INITIATIVES, CENTERS AND ACTIVITIES WHOSE ORIGIN AND MISSION ARE INSPIRED BY THE CATHOLIC PRELATURE OF OPUS DEI | 202343199349106769 |
| 2022 | Eternal Word Television Network Inc Irondale, AL | B | $198,645 | paid | TO OPERATE TELEVISION, RADIO, AND INTERNET MEDIA NETWORKS FROM A CATHOLIC PERSPECTIVE | 202343199349106769 |
| 2022 | Catholic Relief Services Baltimore, MD | B | $198,645 | paid | TO ASSIST IMPOVERISHED AND DISADVANTAGED PEOPLE OVERSEAS | 202343199349106769 |
| 2022 | Oakcrest School Mclean, VA | C | $198,645 | paid | TO CHALLENGE GIRLS IN GRADES 6-12 TO DEVELOP THEIR INTELLECT, CHARACTER, FAITH AND LEADERSHIP POTENTIAL TO SUCCEED IN COLLEGE AND THROUGHOUT THEIR LIVES | 202343199349106769 |
| 2022 | Mount St Mary's Seminary Emmitsburg, MD | D | $198,645 | paid | PREPARES MEN FOR THE CATHOLIC MINISTERIAL PRIESTHOOD | 202343199349106769 |
| 2020 | Rosemoor Foundation New York, NY | C | $1,329,532 | paid | TO FURTHER THE EXEMPT PURPOSE OF THE ORGANIZATION | 202143199349104759 |
| 2020 | Oakcrest School Mclean, VA | C | $104,963 | paid | TO FURTHER THE EXEMPT PURPOSE OF THE ORGANIZATION | 202143199349104759 |
| 2020 | Catholic Relief Services Inc Baltimore, MD | B | $104,963 | paid | TO FURTHER THE EXEMPT PURPOSE OF THE ORGANIZATION | 202143199349104759 |
| 2020 | Eternal Word Television Network Inc Irondale, AL | B | $104,963 | paid | TO FURTHER THE EXEMPT PURPOSE OF THE ORGANIZATION | 202143199349104759 |
| 2020 | Mount St Mary's Seminary Emmitsburg, MD | D | $104,963 | paid | TO FURTHER THE EXEMPT PURPOSE OF THE ORGANIZATION | 202143199349104759 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202533169349103028 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202433199349100543 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202343199349106769 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202143199349104759 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/510438443.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.