Protolabs
PRLB
277 hedge funds and large institutions have $1.83B invested in Protolabs in 2026 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 100 increasing their positions, 92 reducing their positions, and 24 closing their positions.
441% more call options, than puts
Call options by funds: $2.78M | Put options by funds: $514K
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
79% more first-time investments, than exits
New positions opened: 43 | Existing positions closed: 24
45% more capital invested
Capital invested by funds: $1.26B → $1.83B (+$571M)
6% more funds holding
Funds holding: 262 → 277 (+15)
1.57% more ownership
Funds ownership: 92.84% → 94.41% (+1.6%)
9% more repeat investments, than reductions
Existing positions increased: 100 | Existing positions reduced: 92
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$18.4M |
| 2 |
BlackRock
New York
|
+$15.4M |
| 3 |
JP Morgan Chase
New York
|
+$9.65M |
| 4 |
First Trust Advisors
Wheaton,
Illinois
|
+$9.28M |
| 5 |
Nuveen
Charlotte,
North Carolina
|
+$7.25M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCMNY
Rubric Capital Management (New York)
New York
|
-$26.6M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$8.47M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$8.44M |
| 4 |
DGI
Disciplined Growth Investors
Minneapolis,
Minnesota
|
-$8.22M |
| 5 |
Lazard Asset Management
New York
|
-$6.49M |
PRLB Hedge Fund Activity: Q2 2026 in Review
277 of the 8,287 institutional investors tracked by Wall St. Rank reported a position in Protolabs (PRLB) for Q2 2026, worth a combined $1.83B — up 45% from $1.26B a quarter earlier.
Buyers outnumbered sellers: 43 funds opened new PRLB positions and 24 closed out — a net gain of 19 holders — while 100 added to existing stakes and 92 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $18.4M. The largest seller was Rubric Capital Management (New York), cutting an estimated $26.6M.
- 277 institutional investors held Protolabs (PRLB) as of Q2 2026, up from 262 in Q1 2026.
- Funds reported $1.83B of Protolabs stock for Q2 2026, up 45% quarter-over-quarter.
- 43 funds opened new Protolabs positions in Q2 2026 and 24 closed out, a net change of +19 holders.
- The largest Protolabs buyer in Q2 2026 was Goldman Sachs, an estimated $18.4M added.
- The largest Protolabs seller in Q2 2026 was Rubric Capital Management (New York), an estimated $26.6M sold.
Based on aggregated 13F filings for Q2 2026.