COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS

Position in PRLB — Proto Labs Inc

CIK 1083190 HARRISBURG, PA

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Position in PRLB

as of Jun 30, 2026 · filed Jul 17, 2026 Compact

Position Value

$459,879

+$125,970 QoQ

Shares Held

5,642

-3.7% QoQ

Ownership

0.024%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#148

of 276 holders

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in PRLB Over Time

Shares Held

Position Value (USD)

Position in Metal Fabrication

Industrials · as of Jun 30, 2026

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS holds $18,880,837 across 6 Metal Fabrication names. PRLB ranks #6 (2.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRS	Carpenter Technology Corp	11,895	$7,337,311
2	ATI	Ati Inc	32,671	$6,439,454
3	CMC	COMMERCIAL METALS Co	26,547	$1,665,824
4	MLI	Mueller Industries Inc	52,942	$1,627,040
5	ESAB	ESAB Corp	13,701	$1,351,329
6	PRLB	Proto Labs Inc This page	5,642	$459,879

All Filings in PRLB

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23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$459,879	5,642	-3.7%	Shares	Sole	2026-07-17
2026-03-31	$333,909	5,856	-0.1%	Shares	Sole	2026-05-01
2025-12-31	$296,558	5,862	-3.6%	Shares	Sole	2026-02-10
2025-09-30	$304,182	6,080	-0.4%	Shares	Sole	2025-11-12
2025-06-30	$244,364	6,103	+4.1%	Shares	Sole	2025-08-08
2025-03-31	$205,509	5,865	+12.1%	Shares	Sole	2025-05-13
2024-12-31	$204,557	5,233	-5.9%	Shares	Sole	2025-02-11
2023-12-31	$216,773	5,564	-68.1%	Shares	Sole	2024-02-09
2023-09-30	$460,574	17,446	-41.1%	Shares	Sole	2023-11-09
2023-06-30	$1,035,480	29,619	+3.2%	Shares	Sole	2023-08-09
2023-03-31	$951,802	28,712	-1.1%	Shares	Sole	2023-05-09
2022-12-31	$740,906	29,021	+15.8%	Shares	Sole	2023-02-13
2022-09-30	$912,899	25,059	-0.0%	Shares	Sole	2022-11-14
2022-06-30	$1,199,109	25,065	+5.4%	Shares	Sole	2022-08-15
2022-03-31	$1,258,226	23,785	+14.1%	Shares	Sole	2022-05-12
2021-12-31	$1,070,801	20,853	-0.9%	Shares	Sole	2022-02-11
2021-09-30	$1,401,863	21,049	-0.9%	Shares	Sole	2021-11-10
2021-06-30	$1,950,750	21,250	-0.2%	Shares	Sole	2021-08-12
2021-03-31	$2,591,935	21,289	+2.7%	Shares	Sole	2021-05-12
2020-12-31	$3,179,215	20,725	+0.0%	Shares	Sole	2021-02-12
2020-09-30	$2,683,758	20,724	+54.7%	Shares	Sole	2020-11-12
2020-06-30	$1,506,648	13,396	-0.5%	Shares	Sole	2020-08-11
2020-03-31	$1,024,938	13,463	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.