Jim Simons Proto Labs Inc Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Proto Labs Inc stock. As of the latest transaction made, Renaissance Technologies LLC holds 543,651 shares of PRLB stock, worth $26.4 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares

543,651

Previous 542,051 0.3%

Holding current value

$26.4 Million

Previous $21.7 Million 25.32%

% of portfolio

0.04%

Previous 0.03%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$38.74 - $51.02 $61,984 - $81,632	1,600 Added 0.3%	543,651 $27.2 Million
Q2 2025 Aug 13, 2025	BUY	$31.12 - $41.64 $323,648 - $433,056	10,400 Added 1.96%	542,051 $21.7 Million
Q1 2025 May 14, 2025	SELL	$35.04 - $45.03 $1.41 Million - $1.81 Million	-40,200 Reduced 7.03%	531,651 $18.6 Million
Q4 2024 Feb 13, 2025	BUY	$26.71 - $44.77 $400,650 - $671,550	15,000 Added 2.69%	571,851 $22.4 Million
Q3 2024 Nov 13, 2024	BUY	$27.59 - $34.97 $3.34 Million - $4.23 Million	121,028 Added 27.77%	556,851 $16.4 Million

Q2 2024 Aug 09, 2024	BUY	$29.95 - $34.81 $3.19 Million - $3.7 Million	106,423 Added 32.31%	435,823 $13.5 Million
Q1 2024 May 13, 2024	BUY	$33.52 - $38.0 $1.33 Million - $1.51 Million	39,800 Added 13.74%	329,400 $11.8 Million
Q4 2023 Feb 13, 2024	BUY	$23.28 - $40.2 $314,280 - $542,700	13,500 Added 4.89%	289,600 $11.3 Million
Q3 2023 Nov 14, 2023	BUY	$25.21 - $35.58 $1.87 Million - $2.64 Million	74,184 Added 36.74%	276,100 $7.29 Million
Q2 2023 Aug 11, 2023	BUY	$28.03 - $35.89 $1.44 Million - $1.85 Million	51,416 Added 34.16%	201,916 $7.06 Million
Q1 2023 May 12, 2023	BUY	$25.3 - $34.63 $652,740 - $893,454	25,800 Added 20.69%	150,500 $4.99 Million
Q4 2022 Feb 13, 2023	SELL	$22.09 - $39.36 $302,633 - $539,232	-13,700 Reduced 9.9%	124,700 $3.18 Million
Q3 2022 Nov 14, 2022	BUY	$35.39 - $51.97 $3.23 Million - $4.74 Million	91,200 Added 193.22%	138,400 $5.04 Million
Q2 2022 Aug 12, 2022	BUY	$40.26 - $54.7 $1.74 Million - $2.37 Million	43,300 Added 1110.26%	47,200 $2.26 Million
Q1 2022 May 13, 2022	SELL	$46.58 - $59.4 $9.24 Million - $11.8 Million	-198,400 Reduced 98.07%	3,900 $206,000
Q4 2021 Feb 11, 2022	BUY	$48.63 - $77.16 $3.4 Million - $5.4 Million	70,000 Added 52.91%	202,300 $10.4 Million
Q3 2021 Nov 12, 2021	SELL	$66.6 - $92.67 $1.94 Million - $2.7 Million	-29,083 Reduced 18.02%	132,300 $8.81 Million
Q2 2021 Aug 13, 2021	BUY	$84.87 - $120.13 $8.71 Million - $12.3 Million	102,686 Added 174.94%	161,383 $14.8 Million
Q1 2021 May 13, 2021	BUY	$115.19 - $251.49 $6.76 Million - $14.8 Million	58,697 New	58,697 $7.15 Million
Q1 2020 May 14, 2020	SELL	$64.61 - $113.05 $600,873 - $1.05 Million	-9,300 Closed	0 $0
Q4 2019 Feb 13, 2020	SELL	$93.39 - $107.24 $597,696 - $686,336	-6,400 Reduced 40.76%	9,300 $944,000
Q3 2019 Nov 13, 2019	BUY	$89.99 - $113.58 $1.41 Million - $1.78 Million	15,700 New	15,700 $1.6 Million
Q2 2019 Aug 12, 2019	SELL	$97.35 - $117.14 $4.75 Million - $5.72 Million	-48,800 Closed	0 $0
Q1 2019 May 14, 2019	SELL	$100.92 - $130.06 $2.35 Million - $3.03 Million	-23,300 Reduced 32.32%	48,800 $5.13 Million
Q4 2018 Feb 13, 2019	BUY	$102.02 - $157.99 $7.36 Million - $11.4 Million	72,100 New	72,100 $8.13 Million

Others Institutions Holding PRLB

# of Institutions

223

Shares Held

22.3M

Call Options Held

42.2K

Put Options Held

7.8K

View Full List

About Proto Labs Inc

Ticker PRLB
Exchange NYSE
Sector Industrials
Industry Metal Fabrication
Shares Outstandng 27,503,100
Market Cap $1.33B
Description
Proto Labs, Inc., together with its subsidiaries, operates as an e-commerce driven digital manufacturer of custom prototypes and on-demand production parts in the worldwide. The company offers injection molding; computer numerical control machining; three-dimensional (3D) printing, which include stereolithography, selective laser sintering, dire...

More about PRLB

Track Jim Simons's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Renaissance Technologies LLC, based on Form 13F filings with the SEC.

News

Stay updated on Renaissance Technologies LLC and Jim Simons with notifications on news.

Account