The cluster is entirely passive/index-fund buying, likely reflecting GRDN's inclusion in or increased weighting within major indices (e.g., Russell reconstitution or S&P additions). This provides a technical floor but no active-manager conviction signal. Monitor next 13F cycle for active fund initiation — if no active buyers appear, the passive accumulation may already be priced in.
Executive Summary
Four mega-passive institutional investors (BlackRock, State Street, Fidelity, Morgan Stanley) collectively added $29.8M in GRDN positions during 2025-Q3, with total holdings reaching $55.5M. The buying is dominated by index-fund rebalancing rather than active manager conviction, but the scale and unanimity (zero sellers) suggest GRDN was added to or increased in major indices during the quarter.
Key Financial Metrics
Institutional Positions
Net institutional flow: $29.8M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| BlackRock | ADD | +69.7% | $40.6M | $21.2M |
| State Street | ADD | +57.1% | $10.7M | $5.2M |
| Fidelity | DOUBLED | +113.7% | $7.0K | $4.0K |
| Morgan Stanley | DOUBLED | +381.9% | $4.2M | $3.5M |
Key Facts
- 4 institutional buyers, 0 sellers in 2025-Q3
- Aggregate net buying of $29.8M, total holdings $55.5M
- BlackRock added 635.8K shares (+69.7%), now holds $40.6M
- State Street added 148.5K shares (+57.1%), now holds $10.7M
- Morgan Stanley more than quadrupled its position (+381.9%) to $4.2M
- All four buyers are mega-passive/index-fund managers — no active hedge funds or activists involved
Financial Impact
4 passive institutions accumulated $29.8M in net new GRDN positions during Q3 2025, bringing total disclosed holdings to $55.5M
Risk Factors
- No active managers or hedge funds participated — the signal lacks fundamental conviction
- Passive buying is mechanical and may reverse in next rebalance period
- 13F data is 45+ days stale; positions may have been partially unwound
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-GRDN-2025-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 9, 2026 11w ago | Institutional Cluster | $41.47 $42.45 | ▲ +2.36% | ▲ +3.28% | — |
Jun 22, 2026 17w ago | 8-K | $39.19 $39.78 | ▲ +1.51% | ▲ +0.35% | — |
Jun 11, 2026 19w ago | Institutional Cluster | $43.08 $41.06 | ▼ −4.69% | ▼ −6.58% | — |
May 28, 2026 21w ago | 8-K | $38.74 $40.44 | ▲ +4.39% | ▲ +6.18% | — |
May 6, 2026 24w ago | S-3ASR | $36.27 $39.14 | ▲ +7.91% | ▲ +4.78% | — |
May 6, 2026 24w ago | 8-K | $36.27 $39.14 | ▲ +7.91% | ▲ +4.78% | — |
Mar 26, 2026 30w ago | DEFA14A | $35.40 $37.57 | ▲ +6.13% | ▼ −4.54% | — |
Mar 20, 2026 31w ago | Insider Cluster | $35.62 $37.34 | ▼ −4.83% | ▲ +4.49% | — |
Feb 28, 2026 34w ago | Institutional Cluster | $33.66 $37.25 | ▲ +10.67% | ▲ +18.60% | — |
US Market Status
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