Personalis
PSNL
159 hedge funds and large institutions have $1.14B invested in Personalis in 2026 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 68 increasing their positions, 34 reducing their positions, and 22 closing their positions.
266% more call options, than puts
Call options by funds: $8.25M | Put options by funds: $2.25M
111% more capital invested
Capital invested by funds: $540M → $1.14B (+$600M)
100% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 34
95% more first-time investments, than exits
New positions opened: 43 | Existing positions closed: 22
14% more funds holding
Funds holding: 140 → 159 (+19)
0.27% more ownership
Funds ownership: 80.87% → 81.13% (+0.27%)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$13.9M |
| 2 |
BlackRock
New York
|
+$13.8M |
| 3 |
Morgan Stanley
New York
|
+$8.41M |
| 4 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
+$8.14M |
| 5 |
CC
Casdin Capital
New York
|
+$7.73M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$30.3M |
| 2 |
LMC
Lightspeed Management Company
Menlo Park,
California
|
-$16.8M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
-$12.3M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$12.1M |
| 5 |
ACM
AIGH Capital Management
Baltimore,
Maryland
|
-$9.64M |
PSNL Hedge Fund Activity: Q2 2026 in Review
159 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Personalis (PSNL) for Q2 2026, worth a combined $1.14B — up 111% from $540M a quarter earlier.
Buyers outnumbered sellers: 43 funds opened new PSNL positions and 22 closed out — a net gain of 21 holders — while 68 added to existing stakes and 34 trimmed.
The largest buyer was Bank of America, adding an estimated $13.9M. The largest seller was T. Rowe Price Investment Management, exiting entirely with an estimated $30.3M sold.
- 159 institutional investors held Personalis (PSNL) as of Q2 2026, up from 140 in Q1 2026.
- Funds reported $1.14B of Personalis stock for Q2 2026, up 111% quarter-over-quarter.
- 43 funds opened new Personalis positions in Q2 2026 and 22 closed out, a net change of +21 holders.
- The largest Personalis buyer in Q2 2026 was Bank of America, an estimated $13.9M added.
- The largest Personalis seller in Q2 2026 was T. Rowe Price Investment Management, an estimated $30.3M sold.
Based on aggregated 13F filings for Q2 2026.