RA CAPITAL MANAGEMENT, L.P.

Track

Insider profile

Performance

Overall performance
2.9
Performance over holding periods
4.2
30 days 90 days 120 days
Average return 6% 8.2% 15.1%
Success rate 46% 68% 82%
Transactions
303 52% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return -27%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance
RA CAPITAL MANAGEMENT, L.P.'s trades of Sionna Therapeutics, Inc.'s stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
US Septerna Inc (SEPN)
Transaction date
Sale
Price
400.75
Quantity 65,099 +47.9%
Value US$1,715,056
US Septerna Inc (SEPN)
Transaction date
Sale
Price
42.50
Quantity 746,500 -13.5%
Value US$31,726,250
Transaction date
Sale
Price
19.75
Quantity 213 -0.0%
Value US$4,207
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-21 2026-09-17
S Sale
77,657 -21.6%
184.45
US$1,334,021 		77,657 -21.6% 184.45 US$1,334,021
2026-09-21 2026-09-17
S Sale
65,179 +19.6%
299.42
US$2,885,193 		65,179 +19.6% 299.42 US$2,885,193
2026-08-14 2026-08-12
US Septerna Inc (SEPN)
S Sale
65,099 +47.9%
400.75
US$1,715,056 		65,099 +47.9% 400.75 US$1,715,056
2026-08-14 2026-08-12
US Septerna Inc (SEPN)
S Sale
746,500 -13.5%
42.50
US$31,726,250 		746,500 -13.5% 42.50 US$31,726,250
2026-07-31 2026-07-31
B Purchase
24,944 +0.1%
9.93
US$247,694 		24,944 +0.1% 9.93 US$247,694
2026-07-31 2026-07-29
B Purchase
20,824 +0.1%
9.99
US$208,032 		20,824 +0.1% 9.99 US$208,032
2026-07-28 2026-07-24
B Purchase
41,319 +0.2%
9.99
US$412,777 		41,319 +0.2% 9.99 US$412,777
2026-07-23 2026-07-23
B Purchase
59,880 +0.3%
9.96
US$596,405 		59,880 +0.3% 9.96 US$596,405
2026-07-23 2026-07-22
B Purchase
84,124 +0.5%
9.93
US$835,351 		84,124 +0.5% 9.93 US$835,351
2026-07-22 2026-07-22
B Purchase
47,250 +0.2%
29.77
US$1,406,632 		47,250 +0.2% 29.77 US$1,406,632
2026-07-23 2026-07-21
B Purchase
120,582 +0.7%
9.55
US$1,151,558 		120,582 +0.7% 9.55 US$1,151,558
2026-07-22 2026-07-21
B Purchase
37,723 +0.1%
30.00
US$1,131,690 		37,723 +0.1% 30.00 US$1,131,690
2026-07-22 2026-07-21
B Purchase
6,504 +0.0%
29.17
US$189,722 		6,504 +0.0% 29.17 US$189,722
2026-07-22 2026-07-21
B Purchase
21,696 +0.1%
27.96
US$606,620 		21,696 +0.1% 27.96 US$606,620
2026-07-22 2026-07-20
B Purchase
32,987 +0.1%
27.72
US$914,400 		32,987 +0.1% 27.72 US$914,400
2026-07-22 2026-07-20
B Purchase
98,433 +0.4%
27.13
US$2,670,487 		98,433 +0.4% 27.13 US$2,670,487
2026-07-20 2026-07-17
B Purchase
7,882 +0.0%
8.95
US$70,544 		7,882 +0.0% 8.95 US$70,544
2026-07-21 2026-07-16
S Sale
213 -0.0%
19.75
US$4,207 		213 -0.0% 19.75 US$4,207
2026-07-20 2026-07-16
B Purchase
152,472 +0.9%
8.93
US$1,361,575 		152,472 +0.9% 8.93 US$1,361,575
2026-07-14 2026-07-13
B Purchase
6,552 +0.0%
8.94
US$58,575 		6,552 +0.0% 8.94 US$58,575
2026-07-14 2026-07-10
B Purchase
15,102 +0.1%
8.97
US$135,465 		15,102 +0.1% 8.97 US$135,465
2026-06-29 2026-06-26
B Purchase
1,876 +0.0%
8.98
US$16,846 		1,876 +0.0% 8.98 US$16,846
2026-06-29 2026-06-25
B Purchase
31,000 +0.2%
8.88
US$275,280 		31,000 +0.2% 8.88 US$275,280
2026-06-22 2026-06-17
S Sale
27,695 -8.4%
0.35
US$9,693 		27,695 -8.4% 0.35 US$9,693
2026-06-22 2026-06-17
S Sale
27,695 -8.4%
0.35
US$9,693 		27,695 -8.4% 0.35 US$9,693
2026-06-22 2026-06-17
S Sale
389,216 -8.4%
0.35
US$136,226 		389,216 -8.4% 0.35 US$136,226
2026-06-22 2026-06-17
S Sale
389,216 -8.4%
0.35
US$136,226 		389,216 -8.4% 0.35 US$136,226
2026-06-17 2026-06-16
B Purchase
61,523 +1.0%
24.98
US$1,536,845 		61,523 +1.0% 24.98 US$1,536,845
2026-06-16 2026-06-16
B Purchase
124,893 +0.8%
8.89
US$1,110,299 		124,893 +0.8% 8.89 US$1,110,299
2026-06-16 2026-06-16
S Sale
9,939 -2.9%
0.37
US$3,677 		9,939 -2.9% 0.37 US$3,677
2026-06-16 2026-06-16
S Sale
139,686 -2.9%
0.37
US$51,684 		139,686 -2.9% 0.37 US$51,684
2026-06-17 2026-06-15
B Purchase
6,146 +0.1%
24.89
US$152,974 		6,146 +0.1% 24.89 US$152,974
2026-06-16 2026-06-15
B Purchase
15,414 +0.1%
8.99
US$138,572 		15,414 +0.1% 8.99 US$138,572
2026-06-16 2026-06-15
S Sale
8,554 -2.4%
0.39
US$3,336 		8,554 -2.4% 0.39 US$3,336
2026-06-16 2026-06-15
S Sale
120,216 -2.4%
0.39
US$46,884 		120,216 -2.4% 0.39 US$46,884
2026-06-16 2026-06-12
B Purchase
391,019 +2.4%
8.57
US$3,351,033 		391,019 +2.4% 8.57 US$3,351,033
2026-06-16 2026-06-12
S Sale
11,322 -3.1%
0.40
US$4,529 		11,322 -3.1% 0.40 US$4,529
2026-06-16 2026-06-12
S Sale
159,119 -3.1%
0.40
US$63,648 		159,119 -3.1% 0.40 US$63,648
2026-06-15 2026-06-11
B Purchase
1,460,397 +122.9%
20.00
US$29,207,940 		1,460,397 +122.9% 20.00 US$29,207,940
2026-06-15 2026-06-11
B Purchase
19,728,353 +300.9%
20.00
US$394,567,060 		19,728,353 +300.9% 20.00 US$394,567,060
2026-06-11 2026-06-11
S Sale
17,437 -4.6%
0.38
US$6,626 		17,437 -4.6% 0.38 US$6,626
2026-06-11 2026-06-11
S Sale
17,437 -4.6%
0.38
US$6,626 		17,437 -4.6% 0.38 US$6,626
2026-06-11 2026-06-11
S Sale
245,066 -4.6%
0.38
US$93,125 		245,066 -4.6% 0.38 US$93,125
2026-06-11 2026-06-11
S Sale
245,066 -4.6%
0.38
US$93,125 		245,066 -4.6% 0.38 US$93,125
2026-06-11 2026-06-11
B Purchase
548,580 +3.5%
7.91
US$4,339,268 		548,580 +3.5% 7.91 US$4,339,268