Renaissance Technologies
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Renaissance Technologies’s Rockwell Medical RMTI Stock Holding History

Renaissance Technologies’s Portfolio RMTI Stock Details RMTI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$571K Buy
63,912
+17,080
+36% +$170K ﹤0.01% 2550
2025
Q4 		$390K Sell
46,832
-9,389
-17% -$94.7K ﹤0.01% 2671
2025
Q3 		$675K Buy
56,221
+2,046
+4% +$25K ﹤0.01% 2676
2025
Q2 		$459K Buy
54,175
+8,875
+20% +$90.5K ﹤0.01% 2877
2025
Q1 		$512K Buy
45,300
+1,065
+2% +$19.3K ﹤0.01% 2736
2024
Q4 		$902K Buy
44,235
+32,768
+286% +$956K ﹤0.01% 2552
2024
Q3 		$455K Buy
11,467
+1,197
+12% +$32.2K ﹤0.01% 2832
2024
Q2 		$181K Buy
10,270
+9,219
+877% +$156K ﹤0.01% 3064
2024
Q1 		$17K Sell
1,051
-8,769
-89% -$127K ﹤0.01% 3602
2023
Q4 		$186K Buy
9,820
+8,416
+599% +$158K ﹤0.01% 3156
2023
Q3 		$29K Sell
1,404
-33,508
-96% -$1.02M ﹤0.01% 3475
2023
Q2 		$1.91M Buy
34,912
+27,040
+343% +$831K ﹤0.01% 2030
2023
Q1 		$142K Buy
7,872
+4,179
+113% +$72K ﹤0.01% 3387
2022
Q4 		$37K Sell
3,693
-29
-0.8% -$310 ﹤0.01% 3855
2022
Q3 		$49K Buy
3,722
+220
+6% +$3.33K ﹤0.01% 3764
2022
Q2 		$45K Buy
3,502
+945
+37% +$25K ﹤0.01% 4013
2022
Q1 		$133K Buy
2,557
+507
+25% +$21.5K ﹤0.01% 3747
2021
Q4 		$92K Buy
2,050
+918
+81% +$49.2K ﹤0.01% 3695
2021
Q3 		$74K Sell
1,132
-2,445
-68% -$185K ﹤0.01% 3355
2021
Q2 		$358K Sell
3,577
-8,823
-71% -$910K ﹤0.01% 3085
2021
Q1 		$1.58M Buy
12,400
+3,576
+41% +$529K ﹤0.01% 2374
2020
Q4 		$980K Buy
8,824
+6,308
+251% +$706K ﹤0.01% 2512
2020
Q3 		$296K Buy
2,516
+2,019
+406% +$349K ﹤0.01% 3002
2020
Q2 		$107K Sell
497
-159
-24% -$37.6K ﹤0.01% 3266
2020
Q1 		$148K Buy
656
+281
+75% +$80.1K ﹤0.01% 3163
2019
Q4 		$101K Buy
+375
New +$94.3K ﹤0.01% 3321
2019
Q2 		– Sell
-264
Closed -$165K – 3724
2019
Q1 		$165K Buy
+264
New +$120K ﹤0.01% 3237
2013
Q3 		– Sell
-1,688
Closed -$670K – 2931
2013
Q2 		$670K Buy
+1,688
New +$716K ﹤0.01% 2111

Other funds holding RMTI

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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
WANY
Wealthspire Advisors (New York) New York $12.7B AUM 17.31% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Renaissance Technologies's RMTI Position: Q1 2026 in Review

Renaissance Technologies increased its Rockwell Medical (RMTI) stake by 36% in Q1 2026, buying an estimated $170K and bringing the position to 63,912 shares worth $571K. The position accounts for ﹤0.01% of the portfolio, ranked #2550.

Renaissance Technologies first reported a position in RMTI in Q2 2013 and has held it in 28 quarters since. The position peaked at $1.91M in Q2 2023. 42 funds tracked by Wall St. Rank hold RMTI as of Q1 2026.

  • Renaissance Technologies held 63,912 shares of Rockwell Medical worth $571K as of Q1 2026.
  • Renaissance Technologies bought 17,080 Rockwell Medical shares in Q1 2026, an estimated $170K.
  • Rockwell Medical made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #2550 holding.
  • Renaissance Technologies first reported a position in Rockwell Medical in Q2 2013 and has held it in 28 quarters since.
  • Renaissance Technologies's Rockwell Medical position peaked at $1.91M in Q2 2023.
  • 42 funds tracked by Wall St. Rank held Rockwell Medical as of Q1 2026.

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