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Of the 7 tracked institutions holding BLLN, 3 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +3.0pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 7 tracked institutional investors we monitor, BLLN (BillionToOne Inc) is held with a combined value of $200.78M across 2,530,493 shares. The largest holder is BAILLIE GIFFORD & CO with a position worth $99.46M (0.10% of their portfolio). 2 funds opened new positions in the most recent quarter. 2 funds increased their holdings. 2 funds reduced their position.
Total Institutional Value
$200.78M
Total Shares Held
2,530,493
Institutional Holders
7
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BAILLIE GIFFORD & CO | $99.46M | 0.10% | -0.6% |
| 2 | PRICE T ROWE ASSOCIATES INC /MD/ | $58.22M | 0.01% | +52.0% |
| 3 | VANGUARD GROUP INC | $28.84M | 0.00% | New |
| 4 | BlackRock, Inc. | $7.51M | 0.00% | +33.3% |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $4.05M | 0.01% | New |
| 6 | STATE STREET CORP | $1.56M | 0.00% | -8.8% |
| 7 | SOROS FUND MANAGEMENT LLC | $1.14M | 0.01% | - |
As of the latest SEC 13F filings, BAILLIE GIFFORD & CO is the largest institutional holder of BLLN with a position worth $99.46M, representing 0.10% of their portfolio. In total, 7 institutional investors hold BLLN with a combined value of $200.78M.
In the most recent quarter, 2 funds opened a new position in BLLN. Additionally, 2 increased their holdings and 2 reduced their positions.
Institutional investors hold $200.78M worth of BLLN stock across 7 positions. The largest institutional holder is BAILLIE GIFFORD & CO with $99.46M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For BLLN, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their BLLN positions.
Last Close
$126.08
2026-07-24
YTD
+41.2%
91% of 52-week range