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Protolabs
PRLB
PRLB
262 hedge funds and large institutions have $1.26B invested in Protolabs in 2026 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 75 increasing their positions, 79 reducing their positions, and 19 closing their positions.
New
Increased
Maintained
Reduced
Closed
179% more first-time investments, than exits
New positions opened: 53 | Existing positions closed: 19
14% more capital invested
Capital invested by funds: $1.1B → $1.26B (+$157M)
12% more funds holding
Funds holding: 234 → 262 (+28)
0.91% more ownership
Funds ownership: 91.93% → 92.84% (+0.91%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
5% less repeat investments, than reductions
Existing positions increased: 75 | Existing positions reduced: 79
Holders
262
Holders Change
+28
Holders Change %
+11.97%
% of All Funds
3.23%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
53
Increased
75
Reduced
79
Closed
19
Calls
$8.23M
Puts
–
Net Calls
+$8.23M
Net Calls Change
+$6.37M
Top Buyers
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$17.4M |
| 2 |
Prudential Financial
Newark,
New Jersey
|
+$12.6M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$7.76M |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$3.97M |
| 5 |
EI
EAM Investors
Solana Beach,
California
|
+$3.82M |
Top Sellers
| 1 |
RCMNY
Rubric Capital Management (New York)
New York
|
-$37M |
| 2 |
DGI
Disciplined Growth Investors
Minneapolis,
Minnesota
|
-$10.2M |
| 3 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$5.33M |
| 4 |
Millennium Management
New York
|
-$4.39M |
| 5 |
Jane Street
New York
|
-$3.09M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
ACM
276
Aster Capital Management
Dubai,
United Arab Emirates
| – | -$6.53K | -129 | Closed |
|
|
MPW
277
MASECO Private Wealth
London,
| – | -$5.46K | -108 | Closed |
|
278
Optiver Holding
Amsterdam,
Netherlands
| – | -$1.92K | -38 | Closed |
|
|
OC
279
Optima Capital
Beaverton,
Oregon
| – | -$506 | -10 | Closed |
|
|
FHA
280
Flagship Harbor Advisors
Boston,
Massachusetts
| – | -$304 | -6 | Closed |
|
|
CA
281
Clearstead Advisors
Cleveland,
Ohio
| – | -$102 | -2 | Closed |
|