GUARDIAN PHARM-A (GRDN): Institutional Ownership
Hedge funds and institutional managers reporting a position in GRDN · Consumer Staples. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
13
13F filers
Aggregate Value
$52.8M
Across holders
Last Price
$42.31
2026-06-26
Sector
Consumer Staples
GICS
Holder activity7 new4 added2 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 552K | $20.8M | 39.3% | 0.0% | New | — | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 313K | $11.8M | 22.3% | 0.0% | Added | +$6.1M | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 141K | $5.3M | 10.1% | 0.0% | Added | +$3.8M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 187K | $4.9M | 9.3% | 0.0% | New | — | Q3 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 100K | $3.8M | 7.1% | 0.0% | Reduced | $-814K | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 79K | $3.0M | 5.7% | 0.0% | Added | +$1.2M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 27K | $1.0M | 1.9% | 0.0% | New | — | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 16K | $602K | 1.1% | 0.0% | Added | +$126K | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 19K | $573K | 1.1% | 0.0% | New | — | Q4 2025 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 20K | $422K | 0.8% | 0.0% | New | — | Q2 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 9K | $354K | 0.7% | 0.0% | Reduced | $-278K | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 11K | $301K | 0.6% | 0.0% | New | — | Q3 2025 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 24 | $904 | 0.0% | 0.0% | New | — | Q1 2026 |
New
Hedge Fund
$20.8M· 39.3% of total· 0.0% port· 552K sh· — QoQ· Q1 2026
Added
Hedge Fund
$11.8M· 22.3% of total· 0.0% port· 313K sh· +$6.1M QoQ· Q1 2026
Added
Hedge Fund
$5.3M· 10.1% of total· 0.0% port· 141K sh· +$3.8M QoQ· Q1 2026
New
Hedge Fund
$4.9M· 9.3% of total· 0.0% port· 187K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$3.8M· 7.1% of total· 0.0% port· 100K sh· $-814K QoQ· Q1 2026
Added
Hedge Fund
$3.0M· 5.7% of total· 0.0% port· 79K sh· +$1.2M QoQ· Q1 2026
New
Hedge Fund
$1.0M· 1.9% of total· 0.0% port· 27K sh· — QoQ· Q1 2026
Added
Hedge Fund
$602K· 1.1% of total· 0.0% port· 16K sh· +$126K QoQ· Q1 2026
New
Hedge Fund
$573K· 1.1% of total· 0.0% port· 19K sh· — QoQ· Q4 2025
New
Hedge Fund
$422K· 0.8% of total· 0.0% port· 20K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$354K· 0.7% of total· 0.0% port· 9K sh· $-278K QoQ· Q1 2026
New
Hedge Fund
$301K· 0.6% of total· 0.0% port· 11K sh· — QoQ· Q3 2025
New
Hedge Fund
$904· 0.0% of total· 0.0% port· 24 sh· — QoQ· Q1 2026