Renaissance Technologies
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Renaissance Technologies’s CSP Inc CSPI Stock Holding History

Renaissance Technologies’s Portfolio CSPI Stock Details CSPI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.4M Sell
277,426
-8,700
-3% -$86.4K ﹤0.01% 1807
2025
Q4 		$3.58M Sell
286,126
-20,400
-7% -$250K 0.01% 1530
2025
Q3 		$3.54M Buy
306,526
+3,000
+1% +$35.2K ﹤0.01% 1685
2025
Q2 		$3.93M Sell
303,526
-700
-0.2% -$10.1K 0.01% 1670
2025
Q1 		$4.67M Sell
304,226
-35,121
-10% -$600K 0.01% 1477
2024
Q4 		$5.45M Sell
339,347
-54,579
-14% -$788K 0.01% 1400
2024
Q3 		$5.12M Sell
393,926
-48,300
-11% -$678K 0.01% 1424
2024
Q2 		$6.59M Buy
442,226
+15,800
+4% +$235K 0.01% 1138
2024
Q1 		$7.87M Buy
426,426
+101,700
+31% +$1.63M 0.01% 1131
2023
Q4 		$3.16M Sell
324,726
-15,400
-5% -$161K ﹤0.01% 1652
2023
Q3 		$2.98M Buy
340,126
+17,600
+5% +$130K 0.01% 1624
2023
Q2 		$1.92M Sell
322,526
-3,400
-1% -$21.8K ﹤0.01% 2022
2023
Q1 		$2.21M Buy
325,926
+7,800
+2% +$44.3K ﹤0.01% 1971
2022
Q4 		$1.5M Sell
318,126
-22,228
-7% -$89.6K ﹤0.01% 2264
2022
Q3 		$1.22M Sell
340,354
-33,822
-9% -$138K ﹤0.01% 2371
2022
Q2 		$1.7M Sell
374,176
-600
-0.2% -$2.41K ﹤0.01% 2311
2022
Q1 		$1.48M Sell
374,776
-38,400
-9% -$154K ﹤0.01% 2449
2021
Q4 		$1.82M Sell
413,176
-13,110
-3% -$56.7K ﹤0.01% 2217
2021
Q3 		$1.9M Sell
426,286
-22,290
-5% -$108K ﹤0.01% 2130
2021
Q2 		$2.37M Sell
448,576
-23,532
-5% -$118K ﹤0.01% 2147
2021
Q1 		$2.05M Buy
472,108
+14,400
+3% +$67.8K ﹤0.01% 2208
2020
Q4 		$1.77M Buy
457,708
+12,600
+3% +$49.7K ﹤0.01% 2195
2020
Q3 		$1.92M Sell
445,108
-18,096
-4% -$76.7K ﹤0.01% 2158
2020
Q2 		$1.92M Sell
463,204
-25,630
-5% -$113K ﹤0.01% 2208
2020
Q1 		$1.71M Sell
488,834
-13,666
-3% -$80.5K ﹤0.01% 2131
2019
Q4 		$3.28M Sell
502,500
-7,000
-1% -$45.5K ﹤0.01% 2088
2019
Q3 		$3.42M Hold
509,500
– – ﹤0.01% 2005
2019
Q2 		$3.88M Sell
509,500
-6,000
-1% -$40.8K ﹤0.01% 1957
2019
Q1 		$2.87M Sell
515,500
-3,390
-0.7% -$17.1K ﹤0.01% 2123
2018
Q4 		$2.54M Sell
518,890
-11,910
-2% -$70.9K ﹤0.01% 2101
2018
Q3 		$3.48M Sell
530,800
-5,580
-1% -$32.8K ﹤0.01% 2008
2018
Q2 		$2.64M Sell
536,380
-1,620
-0.3% -$8.34K ﹤0.01% 2129
2018
Q1 		$2.89M Buy
538,000
+30,220
+6% +$214K ﹤0.01% 2128
2017
Q4 		$4.01M Buy
507,780
+10,166
+2% +$57.1K ﹤0.01% 1951
2017
Q3 		$2.75M Sell
497,614
-786
-0.2% -$4.08K ﹤0.01% 2118
2017
Q2 		$2.69M Sell
498,400
-4,200
-0.8% -$22.5K ﹤0.01% 2085
2017
Q1 		$2.62M Buy
502,600
+16,000
+3% +$80.9K ﹤0.01% 2095
2016
Q4 		$2.57M Buy
486,600
+74,200
+18% +$397K ﹤0.01% 2082
2016
Q3 		$2.11M Buy
412,400
+78,000
+23% +$353K ﹤0.01% 2153
2016
Q2 		$1.36M Buy
334,400
+18,000
+6% +$65.2K ﹤0.01% 2401
2016
Q1 		$944K Buy
316,400
+16,800
+6% +$49.1K ﹤0.01% 2627
2015
Q4 		$1.04M Buy
299,600
+4,400
+1% +$12.7K ﹤0.01% 2440
2015
Q3 		$807K Buy
295,200
+5,800
+2% +$18K ﹤0.01% 2463
2015
Q2 		$1M Buy
289,400
+6,000
+2% +$21.1K ﹤0.01% 2452
2015
Q1 		$961K Sell
283,400
-5,800
-2% -$20.9K ﹤0.01% 2327
2014
Q4 		$1.06M Buy
289,200
+17,800
+7% +$68.8K ﹤0.01% 2102
2014
Q3 		$1.08M Sell
271,400
-600
-0.2% -$2.28K ﹤0.01% 1991
2014
Q2 		$948K Buy
272,000
+17,000
+7% +$60.9K ﹤0.01% 2077
2014
Q1 		$983K Buy
255,000
+32,000
+14% +$128K ﹤0.01% 2090
2013
Q4 		$902K Buy
223,000
+41,600
+23% +$159K ﹤0.01% 2124
2013
Q3 		$641K Buy
181,400
+40,200
+28% +$156K ﹤0.01% 2207
2013
Q2 		$628K Buy
+141,200
New +$522K ﹤0.01% 2150

Other funds holding CSPI

VWA
Visionary Wealth Advisors O'fallon, Illinois $2.26B AUM 19.48% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Renaissance Technologies's CSPI Position: Q1 2026 in Review

Renaissance Technologies reduced its CSP Inc (CSPI) stake by 3% in Q1 2026, selling an estimated $86.4K and leaving 277,426 shares worth $2.4M. The position accounts for ﹤0.01% of the portfolio, ranked #1807.

Renaissance Technologies first reported a position in CSPI in Q2 2013 and has held it in 52 quarters since. The position peaked at $7.87M in Q1 2024. 48 funds tracked by Wall St. Rank hold CSPI as of Q1 2026.

  • Renaissance Technologies held 277,426 shares of CSP Inc worth $2.4M as of Q1 2026.
  • Renaissance Technologies sold 8,700 CSP Inc shares in Q1 2026, an estimated $86.4K.
  • CSP Inc made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1807 holding.
  • Renaissance Technologies first reported a position in CSP Inc in Q2 2013 and has held it in 52 quarters since.
  • Renaissance Technologies's CSP Inc position peaked at $7.87M in Q1 2024.
  • 48 funds tracked by Wall St. Rank held CSP Inc as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.