# SPYGLASS PHARMA INC COMMON STOCK

SPYGLASS PHARMA INC COMMON STOCK is a security (CUSIP 85220G109) tracked across SEC portfolio filings. 39 institutional managers reported $629.8M on Form 13F as of 2026-06-30; 11 registered fund positions totaling $22.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: SPYGLASS PHARMA INC
- Class: COMMON STOCK
- CUSIP: 85220G109
- Asset category: EC
- 13F holders: 39
- 13F value: $629.8M
- 13F period: 2026-06-30
- N-PORT fund positions: 11
- N-PORT value: $22.7M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 39 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| RA CAPITAL MANAGEMENT, L.P. | Boston, MA | $207.8M | 8,021,117 |
| [NEA Management Company, LLC](https://search.stillhousedata.com/firm/161004) | TIMONIUM, MD | $191.5M | 7,392,301 |
| [Sands Capital Ventures, LLC](https://search.stillhousedata.com/firm/155517) | ARLINGTON, VA | $64.8M | 2,500,012 |
| [Samsara BioCapital, LLC](https://search.stillhousedata.com/firm/288114) | Palo Alto, CA | $54.7M | 2,109,953 |
| Vestal Point Capital, LP | NEW YORK, NY | $17.3M | 666,760 |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $14.3M | 550,000 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $13.5M | 577,109 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $12.1M | 468,794 |
| Aberdeen Group plc | EDINBURGH, X0 | $11.0M | 493,076 |
| [First Light Asset Management, LLC](https://search.stillhousedata.com/firm/168899) | Edina, MN | $9.7M | 375,000 |
| FRANKLIN RESOURCES INC | San Mateo, CA | $7.8M | 300,000 |
| [Affinity Asset Advisors, LLC](https://search.stillhousedata.com/firm/312788) | New York, NY | $6.5M | 250,000 |
| BlackRock, Inc. | New York, NY | $3.8M | 144,739 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $3.3M | 126,540 |
| [Monashee Investment Management LLC](https://search.stillhousedata.com/firm/163148) | Boston, MA | $2.5M | 95,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $7.5M | 6.92% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $6.0M | 4.66% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $2.8M | 0.34% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $1.9M | 16.65% |
| abrdn Healthcare Opportunities Fund | abrdn Healthcare Opportunities Fund | $1.7M | 24.20% |
| abrdn World Healthcare Fund | abrdn World Healthcare Fund | $1.1M | 21.90% |
| abrdn Life Sciences Investors | abrdn Life Sciences Investors | $919K | 16.38% |
| [T. Rowe Price Health Sciences Portfolio](https://search.stillhousedata.com/fund/S000002083) | T. ROWE PRICE EQUITY SERIES, INC. | $452K | 6.82% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $140K | 0.02% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $103K | 0.03% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $63K | 0.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/85220G109.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.