Louisiana State Employees Retirement System’s InterDigital IDCC Stock Holding History

Louisiana State Employees Retirement System’s Portfolio IDCC Stock Details IDCC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.23M	Sell	7,400 -4,400	-37%	-$1.5M	0.04%	498
2025 Q4	$3.76M	Sell	11,800 -100	-0.8%	-$35.4K	0.06%	238
2025 Q3	$4.11M	Sell	11,900 -200	-2%	-$54.3K	0.07%	215
2025 Q2	$2.71M	Hold	12,100	–	–	0.05%	342
2025 Q1	$2.5M	Sell	12,100 -200	-2%	-$40.3K	0.05%	350
2024 Q4	$2.38M	Buy	12,300 +100	+0.8%	+$17.5K	0.04%	393
2024 Q3	$1.73M	Sell	12,200 -500	-4%	-$65.5K	0.03%	617
2024 Q2	$1.48M	Hold	12,700	–	–	0.03%	674
2024 Q1	$1.35M	Sell	12,700 -200	-2%	-$21.1K	0.03%	752
2023 Q4	$1.4M	Sell	12,900 -500	-4%	-$46.3K	0.03%	696
2023 Q3	$1.08M	Sell	13,400 -600	-4%	-$52.1K	0.02%	801
2023 Q2	$1.35M	Buy	14,000 +1,400	+11%	+$113K	0.03%	655
2023 Q1	$919K	Sell	12,600 -1,500	-11%	-$104K	0.02%	879
2022 Q4	$698K	Sell	14,100 -100	-0.7%	-$4.88K	0.02%	1042
2022 Q3	$574K	Sell	14,200 -700	-5%	-$37.7K	0.02%	1114
2022 Q2	$922K	Hold	14,900	–	–	0.02%	856
2022 Q1	$913K	Hold	14,900	–	–	0.02%	945
2021 Q4	$1.07M	Buy	14,900 +100	+0.7%	+$6.97K	0.02%	875
2021 Q3	$1M	Buy	14,800 +900	+6%	+$62.4K	0.02%	880
2021 Q2	$1.01M	Buy	13,900 +5,900	+74%	+$436K	0.02%	877
2021 Q1	$508K	Buy	8,000 +300	+4%	+$19.6K	0.01%	1272
2020 Q4	$467K	Hold	7,700	–	–	0.01%	1210
2020 Q3	$439K	Hold	7,700	–	–	0.02%	1054
2020 Q2	$436K	Buy	7,700 +200	+3%	+$10.6K	0.03%	864
2020 Q1	$335K	Hold	7,500	–	–	0.02%	870
2019 Q4	$409K	Hold	7,500	–	–	0.02%	1109
2019 Q3	$394K	Sell	7,500 -600	-7%	-$33.9K	0.02%	1095
2019 Q2	$540K	Sell	8,100 -600	-7%	-$40K	0.03%	933
2019 Q1	$574K	Sell	8,700 -300	-3%	-$20.9K	0.03%	919
2018 Q4	$598K	Sell	9,000 -500	-5%	-$36.4K	0.03%	797
2018 Q3	$760K	Buy	9,500 +100	+1%	+$8.2K	0.03%	860
2018 Q2	$760K	Buy	9,400 +300	+3%	+$23.9K	0.03%	843
2018 Q1	$670K	Buy	9,100 +300	+3%	+$23K	0.03%	887
2017 Q4	$670K	Sell	8,800 -500	-5%	-$37.4K	0.03%	903
2017 Q3	$686K	Buy	9,300 +300	+3%	+$22K	0.03%	843
2017 Q2	$696K	Buy	9,000 +300	+3%	+$25.1K	0.03%	799
2017 Q1	$751K	Buy	8,700 +200	+2%	+$18K	0.04%	728
2016 Q4	$776K	Sell	8,500 -400	-4%	-$32.1K	0.04%	695
2016 Q3	$705K	Sell	8,900 -300	-3%	-$20K	0.04%	759
2016 Q2	$512K	Sell	9,200 -500	-5%	-$28.3K	0.03%	976
2016 Q1	$540K	Sell	9,700 -100	-1%	-$4.83K	0.03%	956
2015 Q4	$481K	Buy	9,800 +100	+1%	+$5.08K	0.02%	1004
2015 Q3	$491K	Buy	9,700 +200	+2%	+$10.3K	0.03%	1010
2015 Q2	$540K	Hold	9,500	–	–	0.03%	1023
2015 Q1	$482K	Sell	9,500 -600	-6%	-$31.1K	0.02%	1091
2014 Q4	$534K	Sell	10,100 -900	-8%	-$43.4K	0.02%	1044
2014 Q3	$438K	Buy	11,000 +100	+0.9%	+$4.4K	0.02%	1116
2014 Q2	$521K	Hold	10,900	–	–	0.02%	1044
2014 Q1	$361K	Sell	10,900 -400	-4%	-$11.9K	0.02%	1233
2013 Q4	$333K	Buy	+11,300	New	+$383K	0.02%	1274

Other funds holding IDCC

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

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

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

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

DGI

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

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Louisiana State Employees Retirement System's IDCC Position: Q1 2026 in Review

Louisiana State Employees Retirement System reduced its InterDigital (IDCC) stake by 37% in Q1 2026, selling an estimated $1.5M and leaving 7,400 shares worth $2.23M. The position accounts for 0.04% of the portfolio, ranked #498.

Louisiana State Employees Retirement System first reported a position in IDCC in Q4 2013 and has held it in 50 quarters since. The position peaked at $4.11M in Q3 2025. 570 funds tracked by Wall St. Rank hold IDCC as of Q1 2026.

Louisiana State Employees Retirement System held 7,400 shares of InterDigital worth $2.23M as of Q1 2026.
Louisiana State Employees Retirement System sold 4,400 InterDigital shares in Q1 2026, an estimated $1.5M.
InterDigital made up 0.04% of Louisiana State Employees Retirement System's portfolio in Q1 2026, its #498 holding.
Louisiana State Employees Retirement System first reported a position in InterDigital in Q4 2013 and has held it in 50 quarters since.
Louisiana State Employees Retirement System's InterDigital position peaked at $4.11M in Q3 2025.
570 funds tracked by Wall St. Rank held InterDigital as of Q1 2026.

Based on Louisiana State Employees Retirement System's 13F filing for Q1 2026, filed 20 Apr 2026.