Two Sigma Investments’s Protolabs PRLB Stock Holding History

Two Sigma Investments’s Portfolio PRLB Stock Details PRLB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q1	–	Sell	-23,500	Closed	-$1.21M	–	3977
2021 Q4	$1.21M	Buy	23,500 +6,300	+37%	+$372K	﹤0.01%	2382
2021 Q3	$1.15M	Sell	17,200 -6,800	-28%	-$531K	﹤0.01%	2492
2021 Q2	$2.2M	Buy	24,000 +22,000	+1,100%	+$2.17M	0.01%	1775
2021 Q1	$244K	Buy	+2,000	New	+$333K	﹤0.01%	3498
2017 Q3	–	Sell	-4,000	Closed	-$269K	–	3105
2017 Q2	$269K	Buy	+4,000	New	+$242K	﹤0.01%	2685
2017 Q1	–	Sell	-4,000	Closed	-$205K	–	3237
2016 Q4	$205K	Buy	+4,000	New	+$210K	﹤0.01%	2911

Other funds holding PRLB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

DGI

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

ACM

American Capital Management New York $1.86B AUM 20.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

Two Sigma Investments's PRLB Position: Q1 2026 in Review

Two Sigma Investments opened a new position in Protolabs (PRLB) in Q1 2026: 12,200 shares worth $696K. The stake represents ﹤0.01% of the portfolio and ranks #3500 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in PRLB as recently as Q3 2025.

Two Sigma Investments first reported a position in PRLB in Q2 2017 and has held it in 22 quarters since. The position peaked at $37.7M in Q2 2021. 262 funds tracked by Wall St. Rank hold PRLB as of Q1 2026.

Two Sigma Investments held 12,200 shares of Protolabs worth $696K as of Q1 2026.
Protolabs was a new Two Sigma Investments position in Q1 2026.
Protolabs made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #3500 holding.
Two Sigma Investments first reported a position in Protolabs in Q2 2017 and has held it in 22 quarters since.
Two Sigma Investments's Protolabs position peaked at $37.7M in Q2 2021.
262 funds tracked by Wall St. Rank held Protolabs as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.