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Tower Research Capital (TRC)’s IRIDEX IRIX Stock Holding History

Tower Research Capital (TRC)’s Portfolio IRIX Stock Details IRIX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.54K Buy
3,095
+1,003
+48% +$1.07K ﹤0.01% 4517
2026
Q1 		$2.11K Buy
+2,092
New +$2.85K ﹤0.01% 4539
2025
Q4 		– Sell
-501
Closed -$571 – 5376
2025
Q3 		$571 Sell
501
-4,963
-91% -$6.1K ﹤0.01% 4980
2025
Q2 		$4.82K Sell
5,464
-497
-8% -$506 ﹤0.01% 4259
2025
Q1 		$5.9K Buy
5,961
+2,759
+86% +$3.9K ﹤0.01% 4080
2024
Q4 		$5.38K Buy
3,202
+680
+27% +$1.12K ﹤0.01% 4298
2024
Q3 		$4.41K Sell
2,522
-1,856
-42% -$3.64K ﹤0.01% 4557
2024
Q2 		$9.46K Buy
4,378
+2,366
+118% +$6.34K ﹤0.01% 4248
2024
Q1 		$6K Buy
2,012
+1,123
+126% +$3.04K ﹤0.01% 4454
2023
Q4 		$2.5K Sell
889
-735
-45% -$1.93K ﹤0.01% 5207
2023
Q3 		$4.13K Buy
1,624
+1,609
+10,727% +$3.05K ﹤0.01% 4914
2023
Q2 		$33 Sell
15
-99
-87% -$217 ﹤0.01% 5895
2023
Q1 		$0 Buy
+114
New +$252 ﹤0.01% 6056
2022
Q4 		– Sell
-36
Closed – – 6137
2022
Q3 		$0 Sell
36
-8,176
-100% -$22.3K ﹤0.01% 6272
2022
Q2 		$21K Buy
8,212
+3,562
+77% +$12.1K ﹤0.01% 3743
2022
Q1 		$22K Buy
4,650
+1,821
+64% +$9K ﹤0.01% 3437
2021
Q4 		$17K Buy
2,829
+871
+44% +$6.24K ﹤0.01% 3850
2021
Q3 		$15K Sell
1,958
-1,075
-35% -$7.54K ﹤0.01% 3980
2021
Q2 		$21K Sell
3,033
-3,113
-51% -$23.6K ﹤0.01% 3843
2021
Q1 		$41K Buy
6,146
+2,442
+66% +$14.1K ﹤0.01% 3288
2020
Q4 		$9K Buy
+3,704
New +$6.98K ﹤0.01% 4383
2020
Q3 		– Sell
-3,235
Closed -$6K – 4944
2020
Q2 		$6K Buy
3,235
+2,400
+287% +$4.52K ﹤0.01% 4216
2020
Q1 		$1K Buy
835
+688
+468% +$1.77K ﹤0.01% 2790
2019
Q4 		$0 Sell
147
-2,976
-95% -$6.29K ﹤0.01% 3923
2019
Q3 		$6K Sell
3,123
-6,448
-67% -$18.9K ﹤0.01% 3221
2019
Q2 		$44K Buy
9,571
+532
+6% +$2.59K ﹤0.01% 1652
2019
Q1 		$41K Sell
9,039
-58
-0.6% -$269 ﹤0.01% 1867
2018
Q4 		$43K Buy
9,097
+6,043
+198% +$30.1K ﹤0.01% 1385
2018
Q3 		$19K Sell
3,054
-2,843
-48% -$21.1K ﹤0.01% 2386
2018
Q2 		$41K Sell
5,897
-4,320
-42% -$27.6K ﹤0.01% 1951
2018
Q1 		$58K Sell
10,217
-1,606
-14% -$11.1K 0.01% 1605
2017
Q4 		$90K Buy
11,823
+199
+2% +$1.7K 0.01% 934
2017
Q3 		$109K Buy
11,624
+9,191
+378% +$83.6K 0.01% 1273
2017
Q2 		$24K Buy
2,433
+854
+54% +$8.41K ﹤0.01% 1124
2017
Q1 		$19K Buy
1,579
+715
+83% +$10K ﹤0.01% 1330
2016
Q4 		$12K Buy
864
+213
+33% +$3.02K ﹤0.01% 2525
2016
Q3 		$9K Buy
+651
New +$9.89K ﹤0.01% 2139
2016
Q2 		– Sell
-1,010
Closed -$10K – 4688
2016
Q1 		$10K Buy
1,010
+895
+778% +$8.66K ﹤0.01% 1963
2015
Q4 		$1K Buy
+115
New +$1.03K ﹤0.01% 4093
2015
Q3 		– Sell
-1,141
Closed -$9K – 4369
2015
Q2 		$9K Buy
1,141
+1,041
+1,041% +$9.71K ﹤0.01% 2798
2015
Q1 		$1K Sell
100
-1,209
-92% -$11.7K ﹤0.01% 4072
2014
Q4 		$11K Sell
1,309
-64
-5% -$507 ﹤0.01% 2063
2014
Q3 		$10K Buy
1,373
+1,191
+654% +$9.34K ﹤0.01% 2819
2014
Q2 		$2K Sell
182
-504
-73% -$4.33K ﹤0.01% 3404
2014
Q1 		$6K Sell
686
-2,314
-77% -$21.2K ﹤0.01% 3095
2013
Q4 		$31K Buy
+3,000
New +$24K 0.01% 1848
2013
Q3 		– Sell
-747
Closed -$4K – 4679
2013
Q2 		$4K Buy
+747
New +$4.01K ﹤0.01% 3082

Other funds holding IRIX

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
WCM
Weber Capital Management San Francisco, California $118M AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
PCM
Perkins Capital Management Wayzata, Minnesota $133M AUM 127.86% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Tower Research Capital (TRC)'s IRIX Position: Q2 2026 in Review

Tower Research Capital (TRC) increased its IRIDEX (IRIX) stake by 48% in Q2 2026, buying an estimated $1.07K and bringing the position to 3,095 shares worth $3.54K. The position accounts for ﹤0.01% of the portfolio, ranked #4517.

Tower Research Capital (TRC) first reported a position in IRIX in Q2 2013 and has held it in 47 quarters since. The position peaked at $109K in Q3 2017. 28 funds tracked by Wall St. Rank hold IRIX as of Q2 2026.

  • Tower Research Capital (TRC) held 3,095 shares of IRIDEX worth $3.54K as of Q2 2026.
  • Tower Research Capital (TRC) bought 1,003 IRIDEX shares in Q2 2026, an estimated $1.07K.
  • IRIDEX made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q2 2026, its #4517 holding.
  • Tower Research Capital (TRC) first reported a position in IRIDEX in Q2 2013 and has held it in 47 quarters since.
  • Tower Research Capital (TRC)'s IRIDEX position peaked at $109K in Q3 2017.
  • 28 funds tracked by Wall St. Rank held IRIDEX as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.