Citadel Advisors’s Penumbra PEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $66.6M | Sell |
202,725
-787,550
| -80% | -$267M | 0.01% | 1114 |
|
|
2025
Q4 | $308M | Buy |
990,275
+19,277
| +2% | +$5.32M | 0.05% | 330 |
|
|
2025
Q3 | $246M | Buy |
970,998
+752,006
| +343% | +$190M | 0.04% | 393 |
|
|
2025
Q2 | $56.2M | Sell |
218,992
-565,317
| -72% | -$154M | 0.01% | 1153 |
|
|
2025
Q1 | $210M | Buy |
784,309
+50,021
| +7% | +$13.5M | 0.04% | 356 |
|
|
2024
Q4 | $174M | Buy |
734,288
+322,265
| +78% | +$73.3M | 0.03% | 457 |
|
|
2024
Q3 | $80.1M | Buy |
412,023
+343,005
| +497% | +$64.8M | 0.02% | 852 |
|
|
2024
Q2 | $12.4M | Buy |
69,018
+26,303
| +62% | +$5.25M | ﹤0.01% | 2510 |
|
|
2024
Q1 | $9.53M | Sell |
42,715
-48,719
| -53% | -$12M | ﹤0.01% | 3008 |
|
|
2023
Q4 | $23M | Sell |
91,434
-157,131
| -63% | -$34.7M | ﹤0.01% | 1878 |
|
|
2023
Q3 | $60.1M | Sell |
248,565
-67,478
| -21% | -$18.7M | 0.01% | 928 |
|
|
2023
Q2 | $109M | Buy |
316,043
+15,267
| +5% | +$4.69M | 0.02% | 566 |
|
|
2023
Q1 | $83.8M | Buy |
300,776
+95,126
| +46% | +$24.3M | 0.02% | 718 |
|
|
2022
Q4 | $45.7M | Sell |
205,650
-226,919
| -52% | -$44.4M | 0.01% | 1191 |
|
|
2022
Q3 | $82M | Buy |
432,569
+105,936
| +32% | +$17M | 0.02% | 715 |
|
|
2022
Q2 | $40.7M | Sell |
326,633
-40,516
| -11% | -$6.43M | 0.01% | 1184 |
|
|
2022
Q1 | $81.6M | Buy |
367,149
+16,522
| +5% | +$3.67M | 0.02% | 766 |
|
|
2021
Q4 | $101M | Sell |
350,627
-101,237
| -22% | -$26.8M | 0.02% | 653 |
|
|
2021
Q3 | $120M | Sell |
451,864
-32,614
| -7% | -$8.77M | 0.03% | 571 |
|
|
2021
Q2 | $133M | Buy |
484,478
+202,335
| +72% | +$55.2M | 0.03% | 525 |
|
|
2021
Q1 | $76.3M | Buy |
282,143
+22,892
| +9% | +$5.91M | 0.02% | 739 |
|
|
2020
Q4 | $45.4M | Buy |
259,251
+191,162
| +281% | +$41.9M | 0.01% | 1021 |
|
|
2020
Q3 | $13.2M | Sell |
68,089
-117,623
| -63% | -$24.7M | ﹤0.01% | 1970 |
|
|
2020
Q2 | $33.2M | Buy |
185,712
+157,818
| +566% | +$27.4M | 0.01% | 1081 |
|
|
2020
Q1 | $4.5M | Sell |
27,894
-8,215
| -23% | -$1.38M | ﹤0.01% | 2872 |
|
|
2019
Q4 | $5.93M | Sell |
36,109
-287,923
| -89% | -$45.8M | ﹤0.01% | 2870 |
|
|
2019
Q3 | $43.6M | Buy |
324,032
+218,785
| +208% | +$33.8M | 0.02% | 843 |
|
|
2019
Q2 | $16.8M | Buy |
105,247
+87,960
| +509% | +$12.7M | 0.01% | 1595 |
|
|
2019
Q1 | $2.54M | Sell |
17,287
-54,606
| -76% | -$7.81M | ﹤0.01% | 4059 |
|
|
2018
Q4 | $8.79M | Sell |
71,893
-31,730
| -31% | -$4.25M | ﹤0.01% | 2056 |
|
|
2018
Q3 | $15.5M | Sell |
103,623
-97,489
| -48% | -$13.7M | 0.01% | 1625 |
|
|
2018
Q2 | $27.8M | Buy |
201,112
+152,316
| +312% | +$21.7M | 0.01% | 1058 |
|
|
2018
Q1 | $5.64M | Sell |
48,796
-13,883
| -22% | -$1.43M | ﹤0.01% | 2344 |
|
|
2017
Q4 | $5.9M | Sell |
62,679
-61,120
| -49% | -$6.06M | ﹤0.01% | 2285 |
|
|
2017
Q3 | $11.2M | Buy |
123,799
+74,231
| +150% | +$6.39M | 0.01% | 1504 |
|
|
2017
Q2 | $4.35M | Buy |
49,568
+959
| +2% | +$81.5K | ﹤0.01% | 2269 |
|
|
2017
Q1 | $4.06M | Buy |
+48,609
| New | +$3.68M | ﹤0.01% | 2259 |
|
|
2016
Q4 | – | Sell |
-3,958
| Closed | -$301K | – | 7690 |
|
|
2016
Q3 | $301K | Sell |
3,958
-12,877
| -76% | -$889K | ﹤0.01% | 5666 |
|
|
2016
Q2 | $1M | Buy |
16,835
+6,742
| +67% | +$363K | ﹤0.01% | 3549 |
|
|
2016
Q1 | $464K | Buy |
+10,093
| New | +$472K | ﹤0.01% | 4518 |
|
|
2015
Q4 | – | Sell |
-22,242
| Closed | -$892K | – | 9068 |
|
|
2015
Q3 | $892K | Buy |
+22,242
| New | +$900K | ﹤0.01% | 3967 |
|
Other funds holding PEN
VCM
VPM
HI
Citadel Advisors's PEN Position: Q1 2026 in Review
Citadel Advisors reduced its Penumbra (PEN) stake by 80% in Q1 2026, selling an estimated $267M and leaving 202,725 shares worth $66.6M. The position accounts for 0.01% of the portfolio, ranked #1114.
Citadel Advisors first reported a position in PEN in Q3 2015 and has held it in 41 quarters since. The position peaked at $308M in Q4 2025. 482 funds tracked by Wall St. Rank hold PEN as of Q1 2026.
- Citadel Advisors held 202,725 shares of Penumbra worth $66.6M as of Q1 2026.
- Citadel Advisors sold 787,550 Penumbra shares in Q1 2026, an estimated $267M.
- Penumbra made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1114 holding.
- Citadel Advisors first reported a position in Penumbra in Q3 2015 and has held it in 41 quarters since.
- Citadel Advisors's Penumbra position peaked at $308M in Q4 2025.
- 482 funds tracked by Wall St. Rank held Penumbra as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.